configure

#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.68 for POV-Ray 3.7.0.RC5.
#
# Report bugs to <unix-bugreports-2011@povray.org>.
#
#
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
# Foundation, Inc.
#
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
## -------------------- ##
## M4sh Initialization. ##
## -------------------- ##

# Be more Bourne compatible
DUALCASE=1; export DUALCASE # for MKS sh
if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
  emulate sh
  NULLCMD=:
  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '${1+"$@"}'='"$@"'
  setopt NO_GLOB_SUBST
else
  case `(set -o) 2>/dev/null` in #(
  *posix*) :
    set -o posix ;; #(
  *) :
     ;;
esac
fi


as_nl='
'
export as_nl
# Printing a long string crashes Solaris 7 /usr/bin/printf.
as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
# Prefer a ksh shell builtin over an external printf program on Solaris,
# but without wasting forks for bash or zsh.
if test -z "$BASH_VERSION$ZSH_VERSION" \
    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
  as_echo='print -r --'
  as_echo_n='print -rn --'
elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
  as_echo='printf %s\n'
  as_echo_n='printf %s'
else
  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
    as_echo_n='/usr/ucb/echo -n'
  else
    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
    as_echo_n_body='eval
      arg=$1;
      case $arg in #(
      *"$as_nl"*)
	expr "X$arg" : "X\\(.*\\)$as_nl";
	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
      esac;
      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
    '
    export as_echo_n_body
    as_echo_n='sh -c $as_echo_n_body as_echo'
  fi
  export as_echo_body
  as_echo='sh -c $as_echo_body as_echo'
fi

# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
  PATH_SEPARATOR=:
  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
      PATH_SEPARATOR=';'
  }
fi


# IFS
# We need space, tab and new line, in precisely that order.  Quoting is
# there to prevent editors from complaining about space-tab.
# (If _AS_PATH_WALK were called with IFS unset, it would disable word
# splitting by setting IFS to empty value.)
IFS=" ""	$as_nl"

# Find who we are.  Look in the path if we contain no directory separator.
as_myself=
case $0 in #((
  *[\\/]* ) as_myself=$0 ;;
  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
  done
IFS=$as_save_IFS

     ;;
esac
# We did not find ourselves, most probably we were run as `sh COMMAND'
# in which case we are not to be found in the path.
if test "x$as_myself" = x; then
  as_myself=$0
fi
if test ! -f "$as_myself"; then
  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
  exit 1
fi

# Unset variables that we do not need and which cause bugs (e.g. in
# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
# suppresses any "Segmentation fault" message there.  '((' could
# trigger a bug in pdksh 5.2.14.
for as_var in BASH_ENV ENV MAIL MAILPATH
do eval test x\${$as_var+set} = xset \
  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
done
PS1='$ '
PS2='> '
PS4='+ '

# NLS nuisances.
LC_ALL=C
export LC_ALL
LANGUAGE=C
export LANGUAGE

# CDPATH.
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH

if test "x$CONFIG_SHELL" = x; then
  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
  emulate sh
  NULLCMD=:
  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '\${1+\"\$@\"}'='\"\$@\"'
  setopt NO_GLOB_SUBST
else
  case \`(set -o) 2>/dev/null\` in #(
  *posix*) :
    set -o posix ;; #(
  *) :
     ;;
esac
fi
"
  as_required="as_fn_return () { (exit \$1); }
as_fn_success () { as_fn_return 0; }
as_fn_failure () { as_fn_return 1; }
as_fn_ret_success () { return 0; }
as_fn_ret_failure () { return 1; }

exitcode=0
as_fn_success || { exitcode=1; echo as_fn_success failed.; }
as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :

else
  exitcode=1; echo positional parameters were not saved.
fi
test x\$exitcode = x0 || exit 1"
  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
test \$(( 1 + 1 )) = 2 || exit 1"
  if (eval "$as_required") 2>/dev/null; then :
  as_have_required=yes
else
  as_have_required=no
fi
  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :

else
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
as_found=false
for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  as_found=:
  case $as_dir in #(
	 /*)
	   for as_base in sh bash ksh sh5; do
	     # Try only shells that exist, to save several forks.
	     as_shell=$as_dir/$as_base
	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
  CONFIG_SHELL=$as_shell as_have_required=yes
		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
  break 2
fi
fi
	   done;;
       esac
  as_found=false
done
$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
  CONFIG_SHELL=$SHELL as_have_required=yes
fi; }
IFS=$as_save_IFS


      if test "x$CONFIG_SHELL" != x; then :
  # We cannot yet assume a decent shell, so we have to provide a
	# neutralization value for shells without unset; and this also
	# works around shells that cannot unset nonexistent variables.
	# Preserve -v and -x to the replacement shell.
	BASH_ENV=/dev/null
	ENV=/dev/null
	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
	export CONFIG_SHELL
	case $- in # ((((
	  *v*x* | *x*v* ) as_opts=-vx ;;
	  *v* ) as_opts=-v ;;
	  *x* ) as_opts=-x ;;
	  * ) as_opts= ;;
	esac
	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
fi

    if test x$as_have_required = xno; then :
  $as_echo "$0: This script requires a shell more modern than all"
  $as_echo "$0: the shells that I found on your system."
  if test x${ZSH_VERSION+set} = xset ; then
    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
  else
    $as_echo "$0: Please tell bug-autoconf@gnu.org and
$0: unix-bugreports-2011@povray.org about your system,
$0: including any error possibly output before this
$0: message. Then install a modern shell, or manually run
$0: the script under such a shell if you do have one."
  fi
  exit 1
fi
fi
fi
SHELL=${CONFIG_SHELL-/bin/sh}
export SHELL
# Unset more variables known to interfere with behavior of common tools.
CLICOLOR_FORCE= GREP_OPTIONS=
unset CLICOLOR_FORCE GREP_OPTIONS

## --------------------- ##
## M4sh Shell Functions. ##
## --------------------- ##
# as_fn_unset VAR
# ---------------
# Portably unset VAR.
as_fn_unset ()
{
  { eval $1=; unset $1;}
}
as_unset=as_fn_unset

# as_fn_set_status STATUS
# -----------------------
# Set $? to STATUS, without forking.
as_fn_set_status ()
{
  return $1
} # as_fn_set_status

# as_fn_exit STATUS
# -----------------
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
as_fn_exit ()
{
  set +e
  as_fn_set_status $1
  exit $1
} # as_fn_exit

# as_fn_mkdir_p
# -------------
# Create "$as_dir" as a directory, including parents if necessary.
as_fn_mkdir_p ()
{

  case $as_dir in #(
  -*) as_dir=./$as_dir;;
  esac
  test -d "$as_dir" || eval $as_mkdir_p || {
    as_dirs=
    while :; do
      case $as_dir in #(
      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
      *) as_qdir=$as_dir;;
      esac
      as_dirs="'$as_qdir' $as_dirs"
      as_dir=`$as_dirname -- "$as_dir" ||
$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$as_dir" : 'X\(//\)[^/]' \| \
	 X"$as_dir" : 'X\(//\)$' \| \
	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$as_dir" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`
      test -d "$as_dir" && break
    done
    test -z "$as_dirs" || eval "mkdir $as_dirs"
  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"


} # as_fn_mkdir_p
# as_fn_append VAR VALUE
# ----------------------
# Append the text in VALUE to the end of the definition contained in VAR. Take
# advantage of any shell optimizations that allow amortized linear growth over
# repeated appends, instead of the typical quadratic growth present in naive
# implementations.
if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
  eval 'as_fn_append ()
  {
    eval $1+=\$2
  }'
else
  as_fn_append ()
  {
    eval $1=\$$1\$2
  }
fi # as_fn_append

# as_fn_arith ARG...
# ------------------
# Perform arithmetic evaluation on the ARGs, and store the result in the
# global $as_val. Take advantage of shells that can avoid forks. The arguments
# must be portable across $(()) and expr.
if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
  eval 'as_fn_arith ()
  {
    as_val=$(( $* ))
  }'
else
  as_fn_arith ()
  {
    as_val=`expr "$@" || test $? -eq 1`
  }
fi # as_fn_arith


# as_fn_error STATUS ERROR [LINENO LOG_FD]
# ----------------------------------------
# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
# script with STATUS, using 1 if that was 0.
as_fn_error ()
{
  as_status=$1; test $as_status -eq 0 && as_status=1
  if test "$4"; then
    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
  fi
  $as_echo "$as_me: error: $2" >&2
  as_fn_exit $as_status
} # as_fn_error

if expr a : '\(a\)' >/dev/null 2>&1 &&
   test "X`expr 00001 : '.*\(...\)'`" = X001; then
  as_expr=expr
else
  as_expr=false
fi

if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
  as_basename=basename
else
  as_basename=false
fi

if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
  as_dirname=dirname
else
  as_dirname=false
fi

as_me=`$as_basename -- "$0" ||
$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
	 X"$0" : 'X\(//\)$' \| \
	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X/"$0" |
    sed '/^.*\/\([^/][^/]*\)\/*$/{
	    s//\1/
	    q
	  }
	  /^X\/\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\/\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`

# Avoid depending upon Character Ranges.
as_cr_letters='abcdefghijklmnopqrstuvwxyz'
as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
as_cr_Letters=$as_cr_letters$as_cr_LETTERS
as_cr_digits='0123456789'
as_cr_alnum=$as_cr_Letters$as_cr_digits


  as_lineno_1=$LINENO as_lineno_1a=$LINENO
  as_lineno_2=$LINENO as_lineno_2a=$LINENO
  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
  sed -n '
    p
    /[$]LINENO/=
  ' <$as_myself |
    sed '
      s/[$]LINENO.*/&-/
      t lineno
      b
      :lineno
      N
      :loop
      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
      t loop
      s/-\n.*//
    ' >$as_me.lineno &&
  chmod +x "$as_me.lineno" ||
    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }

  # Don't try to exec as it changes $[0], causing all sort of problems
  # (the dirname of $[0] is not the place where we might find the
  # original and so on.  Autoconf is especially sensitive to this).
  . "./$as_me.lineno"
  # Exit status is that of the last command.
  exit
}

ECHO_C= ECHO_N= ECHO_T=
case `echo -n x` in #(((((
-n*)
  case `echo 'xy\c'` in
  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
  xy)  ECHO_C='\c';;
  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
       ECHO_T='	';;
  esac;;
*)
  ECHO_N='-n';;
esac

rm -f conf$$ conf$$.exe conf$$.file
if test -d conf$$.dir; then
  rm -f conf$$.dir/conf$$.file
else
  rm -f conf$$.dir
  mkdir conf$$.dir 2>/dev/null
fi
if (echo >conf$$.file) 2>/dev/null; then
  if ln -s conf$$.file conf$$ 2>/dev/null; then
    as_ln_s='ln -s'
    # ... but there are two gotchas:
    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
    # In both cases, we have to default to `cp -p'.
    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
      as_ln_s='cp -p'
  elif ln conf$$.file conf$$ 2>/dev/null; then
    as_ln_s=ln
  else
    as_ln_s='cp -p'
  fi
else
  as_ln_s='cp -p'
fi
rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
rmdir conf$$.dir 2>/dev/null

if mkdir -p . 2>/dev/null; then
  as_mkdir_p='mkdir -p "$as_dir"'
else
  test -d ./-p && rmdir ./-p
  as_mkdir_p=false
fi

if test -x / >/dev/null 2>&1; then
  as_test_x='test -x'
else
  if ls -dL / >/dev/null 2>&1; then
    as_ls_L_option=L
  else
    as_ls_L_option=
  fi
  as_test_x='
    eval sh -c '\''
      if test -d "$1"; then
	test -d "$1/.";
      else
	case $1 in #(
	-*)set "./$1";;
	esac;
	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
	???[sx]*):;;*)false;;esac;fi
    '\'' sh
  '
fi
as_executable_p=$as_test_x

# Sed expression to map a string onto a valid CPP name.
as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"

# Sed expression to map a string onto a valid variable name.
as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"


test -n "$DJDIR" || exec 7<&0 </dev/null
exec 6>&1

# Name of the host.
# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
# so uname gets run too.
ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`

#
# Initializations.
#
ac_default_prefix=/usr/local
ac_clean_files=
ac_config_libobj_dir=.
LIBOBJS=
cross_compiling=no
subdirs=
MFLAGS=
MAKEFLAGS=

# Identity of this package.
PACKAGE_NAME='POV-Ray'
PACKAGE_TARNAME='povray'
PACKAGE_VERSION='3.7.0.RC5'
PACKAGE_STRING='POV-Ray 3.7.0.RC5'
PACKAGE_BUGREPORT='unix-bugreports-2011@povray.org'
PACKAGE_URL=''

ac_unique_file="unix/disp_text.cpp"
# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
#  include <stdlib.h>
# endif
#endif
#ifdef HAVE_STRING_H
# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
#  include <memory.h>
# endif
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif"

ac_subst_vars='am__EXEEXT_FALSE
am__EXEEXT_TRUE
LTLIBOBJS
povgroup
povowner
LIBOBJS
SDLCONFIG
X_EXTRA_LIBS
X_LIBS
X_PRE_LIBS
X_CFLAGS
XMKMF
PKGCONFIG
BOOST_THREAD_LIB
BOOST_LDFLAGS
BOOST_CPPFLAGS
PTHREAD_CFLAGS
PTHREAD_LIBS
PTHREAD_CC
acx_pthread_config
RANLIB
CXXCPP
am__fastdepCXX_FALSE
am__fastdepCXX_TRUE
CXXDEPMODE
ac_ct_CXX
CXXFLAGS
CXX
EGREP
GREP
CPP
am__fastdepCC_FALSE
am__fastdepCC_TRUE
CCDEPMODE
AMDEPBACKSLASH
AMDEP_FALSE
AMDEP_TRUE
am__quote
am__include
DEPDIR
OBJEXT
EXEEXT
ac_ct_CC
CPPFLAGS
LDFLAGS
CFLAGS
CC
CPLUS_INCLUDE_PATH
C_INCLUDE_PATH
MAINT
MAINTAINER_MODE_FALSE
MAINTAINER_MODE_TRUE
am__untar
am__tar
AMTAR
am__leading_dot
SET_MAKE
AWK
mkdir_p
MKDIR_P
INSTALL_STRIP_PROGRAM
STRIP
install_sh
MAKEINFO
AUTOHEADER
AUTOMAKE
AUTOCONF
ACLOCAL
VERSION
PACKAGE
CYGPATH_W
am__isrc
INSTALL_DATA
INSTALL_SCRIPT
INSTALL_PROGRAM
host_os
host_vendor
host_cpu
host
build_os
build_vendor
build_cpu
build
C99_COMPATIBLE_RADIOSITY
NON_REDISTRIBUTABLE_BUILD
COMPILED_BY
VERSION_BASE
target_alias
host_alias
build_alias
LIBS
ECHO_T
ECHO_N
ECHO_C
DEFS
mandir
localedir
libdir
psdir
pdfdir
dvidir
htmldir
infodir
docdir
oldincludedir
includedir
localstatedir
sharedstatedir
sysconfdir
datadir
datarootdir
libexecdir
sbindir
bindir
program_transform_name
prefix
exec_prefix
PACKAGE_URL
PACKAGE_BUGREPORT
PACKAGE_STRING
PACKAGE_VERSION
PACKAGE_TARNAME
PACKAGE_NAME
PATH_SEPARATOR
SHELL'
ac_subst_files=''
ac_user_opts='
enable_option_checking
enable_watch_cursor
enable_debug
enable_profile
enable_static
enable_optimiz
enable_optimiz_arch
enable_pipe
enable_strip
enable_shared
enable_io_restrictions
with_cygwin_dll
with_zlib
with_libpng
with_libjpeg
with_libtiff
with_libsdl
with_libmkl
with_openexr
enable_maintainer_mode
enable_dependency_tracking
with_boost
with_boost_libdir
with_boost_thread
with_x
'
      ac_precious_vars='build_alias
host_alias
target_alias
COMPILED_BY
NON_REDISTRIBUTABLE_BUILD
C99_COMPATIBLE_RADIOSITY
CC
CFLAGS
LDFLAGS
LIBS
CPPFLAGS
CPP
CXX
CXXFLAGS
CCC
CXXCPP
XMKMF'


# Initialize some variables set by options.
ac_init_help=
ac_init_version=false
ac_unrecognized_opts=
ac_unrecognized_sep=
# The variables have the same names as the options, with
# dashes changed to underlines.
cache_file=/dev/null
exec_prefix=NONE
no_create=
no_recursion=
prefix=NONE
program_prefix=NONE
program_suffix=NONE
program_transform_name=s,x,x,
silent=
site=
srcdir=
verbose=
x_includes=NONE
x_libraries=NONE

# Installation directory options.
# These are left unexpanded so users can "make install exec_prefix=/foo"
# and all the variables that are supposed to be based on exec_prefix
# by default will actually change.
# Use braces instead of parens because sh, perl, etc. also accept them.
# (The list follows the same order as the GNU Coding Standards.)
bindir='${exec_prefix}/bin'
sbindir='${exec_prefix}/sbin'
libexecdir='${exec_prefix}/libexec'
datarootdir='${prefix}/share'
datadir='${datarootdir}'
sysconfdir='${prefix}/etc'
sharedstatedir='${prefix}/com'
localstatedir='${prefix}/var'
includedir='${prefix}/include'
oldincludedir='/usr/include'
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
infodir='${datarootdir}/info'
htmldir='${docdir}'
dvidir='${docdir}'
pdfdir='${docdir}'
psdir='${docdir}'
libdir='${exec_prefix}/lib'
localedir='${datarootdir}/locale'
mandir='${datarootdir}/man'

ac_prev=
ac_dashdash=
for ac_option
do
  # If the previous option needs an argument, assign it.
  if test -n "$ac_prev"; then
    eval $ac_prev=\$ac_option
    ac_prev=
    continue
  fi

  case $ac_option in
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  *=)   ac_optarg= ;;
  *)    ac_optarg=yes ;;
  esac

  # Accept the important Cygnus configure options, so we can diagnose typos.

  case $ac_dashdash$ac_option in
  --)
    ac_dashdash=yes ;;

  -bindir | --bindir | --bindi | --bind | --bin | --bi)
    ac_prev=bindir ;;
  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
    bindir=$ac_optarg ;;

  -build | --build | --buil | --bui | --bu)
    ac_prev=build_alias ;;
  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
    build_alias=$ac_optarg ;;

  -cache-file | --cache-file | --cache-fil | --cache-fi \
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    ac_prev=cache_file ;;
  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
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    cache_file=$ac_optarg ;;

  --config-cache | -C)
    cache_file=config.cache ;;

  -datadir | --datadir | --datadi | --datad)
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  -datadir=* | --datadir=* | --datadi=* | --datad=*)
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  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
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    ac_prev=datarootdir ;;
  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
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  -disable-* | --disable-*)
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    ac_useropt_orig=$ac_useropt
    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
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"enable_$ac_useropt"
"*) ;;
      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
	 ac_unrecognized_sep=', ';;
    esac
    eval enable_$ac_useropt=no ;;

  -docdir | --docdir | --docdi | --doc | --do)
    ac_prev=docdir ;;
  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
    docdir=$ac_optarg ;;

  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
    ac_prev=dvidir ;;
  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
    dvidir=$ac_optarg ;;

  -enable-* | --enable-*)
    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
    # Reject names that are not valid shell variable names.
    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
      as_fn_error $? "invalid feature name: $ac_useropt"
    ac_useropt_orig=$ac_useropt
    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
    case $ac_user_opts in
      *"
"enable_$ac_useropt"
"*) ;;
      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
	 ac_unrecognized_sep=', ';;
    esac
    eval enable_$ac_useropt=\$ac_optarg ;;

  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
  | --exec | --exe | --ex)
    ac_prev=exec_prefix ;;
  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
  | --exec=* | --exe=* | --ex=*)
    exec_prefix=$ac_optarg ;;

  -gas | --gas | --ga | --g)
    # Obsolete; use --with-gas.
    with_gas=yes ;;

  -help | --help | --hel | --he | -h)
    ac_init_help=long ;;
  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
    ac_init_help=recursive ;;
  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
    ac_init_help=short ;;

  -host | --host | --hos | --ho)
    ac_prev=host_alias ;;
  -host=* | --host=* | --hos=* | --ho=*)
    host_alias=$ac_optarg ;;

  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
    ac_prev=htmldir ;;
  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
  | --ht=*)
    htmldir=$ac_optarg ;;

  -includedir | --includedir | --includedi | --included | --include \
  | --includ | --inclu | --incl | --inc)
    ac_prev=includedir ;;
  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
  | --includ=* | --inclu=* | --incl=* | --inc=*)
    includedir=$ac_optarg ;;

  -infodir | --infodir | --infodi | --infod | --info | --inf)
    ac_prev=infodir ;;
  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
    infodir=$ac_optarg ;;

  -libdir | --libdir | --libdi | --libd)
    ac_prev=libdir ;;
  -libdir=* | --libdir=* | --libdi=* | --libd=*)
    libdir=$ac_optarg ;;

  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
  | --libexe | --libex | --libe)
    ac_prev=libexecdir ;;
  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
  | --libexe=* | --libex=* | --libe=*)
    libexecdir=$ac_optarg ;;

  -localedir | --localedir | --localedi | --localed | --locale)
    ac_prev=localedir ;;
  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
    localedir=$ac_optarg ;;

  -localstatedir | --localstatedir | --localstatedi | --localstated \
  | --localstate | --localstat | --localsta | --localst | --locals)
    ac_prev=localstatedir ;;
  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
    localstatedir=$ac_optarg ;;

  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
    ac_prev=mandir ;;
  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
    mandir=$ac_optarg ;;

  -nfp | --nfp | --nf)
    # Obsolete; use --without-fp.
    with_fp=no ;;

  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c | -n)
    no_create=yes ;;

  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
    no_recursion=yes ;;

  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
  | --oldin | --oldi | --old | --ol | --o)
    ac_prev=oldincludedir ;;
  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
    oldincludedir=$ac_optarg ;;

  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
    ac_prev=prefix ;;
  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
    prefix=$ac_optarg ;;

  -program-prefix | --program-prefix | --program-prefi | --program-pref \
  | --program-pre | --program-pr | --program-p)
    ac_prev=program_prefix ;;
  -program-prefix=* | --program-prefix=* | --program-prefi=* \
  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
    program_prefix=$ac_optarg ;;

  -program-suffix | --program-suffix | --program-suffi | --program-suff \
  | --program-suf | --program-su | --program-s)
    ac_prev=program_suffix ;;
  -program-suffix=* | --program-suffix=* | --program-suffi=* \
  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
    program_suffix=$ac_optarg ;;

  -program-transform-name | --program-transform-name \
  | --program-transform-nam | --program-transform-na \
  | --program-transform-n | --program-transform- \
  | --program-transform | --program-transfor \
  | --program-transfo | --program-transf \
  | --program-trans | --program-tran \
  | --progr-tra | --program-tr | --program-t)
    ac_prev=program_transform_name ;;
  -program-transform-name=* | --program-transform-name=* \
  | --program-transform-nam=* | --program-transform-na=* \
  | --program-transform-n=* | --program-transform-=* \
  | --program-transform=* | --program-transfor=* \
  | --program-transfo=* | --program-transf=* \
  | --program-trans=* | --program-tran=* \
  | --progr-tra=* | --program-tr=* | --program-t=*)
    program_transform_name=$ac_optarg ;;

  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
    ac_prev=pdfdir ;;
  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
    pdfdir=$ac_optarg ;;

  -psdir | --psdir | --psdi | --psd | --ps)
    ac_prev=psdir ;;
  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
    psdir=$ac_optarg ;;

  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil)
    silent=yes ;;

  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
    ac_prev=sbindir ;;
  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
  | --sbi=* | --sb=*)
    sbindir=$ac_optarg ;;

  -sharedstatedir | --sharedstatedir | --sharedstatedi \
  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
  | --sharedst | --shareds | --shared | --share | --shar \
  | --sha | --sh)
    ac_prev=sharedstatedir ;;
  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
  | --sha=* | --sh=*)
    sharedstatedir=$ac_optarg ;;

  -site | --site | --sit)
    ac_prev=site ;;
  -site=* | --site=* | --sit=*)
    site=$ac_optarg ;;

  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
    ac_prev=srcdir ;;
  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
    srcdir=$ac_optarg ;;

  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
  | --syscon | --sysco | --sysc | --sys | --sy)
    ac_prev=sysconfdir ;;
  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
    sysconfdir=$ac_optarg ;;

  -target | --target | --targe | --targ | --tar | --ta | --t)
    ac_prev=target_alias ;;
  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
    target_alias=$ac_optarg ;;

  -v | -verbose | --verbose | --verbos | --verbo | --verb)
    verbose=yes ;;

  -version | --version | --versio | --versi | --vers | -V)
    ac_init_version=: ;;

  -with-* | --with-*)
    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
    # Reject names that are not valid shell variable names.
    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
      as_fn_error $? "invalid package name: $ac_useropt"
    ac_useropt_orig=$ac_useropt
    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
    case $ac_user_opts in
      *"
"with_$ac_useropt"
"*) ;;
      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
	 ac_unrecognized_sep=', ';;
    esac
    eval with_$ac_useropt=\$ac_optarg ;;

  -without-* | --without-*)
    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
    # Reject names that are not valid shell variable names.
    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
      as_fn_error $? "invalid package name: $ac_useropt"
    ac_useropt_orig=$ac_useropt
    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
    case $ac_user_opts in
      *"
"with_$ac_useropt"
"*) ;;
      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
	 ac_unrecognized_sep=', ';;
    esac
    eval with_$ac_useropt=no ;;

  --x)
    # Obsolete; use --with-x.
    with_x=yes ;;

  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
  | --x-incl | --x-inc | --x-in | --x-i)
    ac_prev=x_includes ;;
  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
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    x_includes=$ac_optarg ;;

  -x-libraries | --x-libraries | --x-librarie | --x-librari \
  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
    ac_prev=x_libraries ;;
  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
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    x_libraries=$ac_optarg ;;

  -*) as_fn_error $? "unrecognized option: \`$ac_option'
Try \`$0 --help' for more information"
    ;;

  *=*)
    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
    # Reject names that are not valid shell variable names.
    case $ac_envvar in #(
      '' | [0-9]* | *[!_$as_cr_alnum]* )
      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
    esac
    eval $ac_envvar=\$ac_optarg
    export $ac_envvar ;;

  *)
    # FIXME: should be removed in autoconf 3.0.
    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
    ;;

  esac
done

if test -n "$ac_prev"; then
  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
  as_fn_error $? "missing argument to $ac_option"
fi

if test -n "$ac_unrecognized_opts"; then
  case $enable_option_checking in
    no) ;;
    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
  esac
fi

# Check all directory arguments for consistency.
for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
		datadir sysconfdir sharedstatedir localstatedir includedir \
		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
		libdir localedir mandir
do
  eval ac_val=\$$ac_var
  # Remove trailing slashes.
  case $ac_val in
    */ )
      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
      eval $ac_var=\$ac_val;;
  esac
  # Be sure to have absolute directory names.
  case $ac_val in
    [\\/$]* | ?:[\\/]* )  continue;;
    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
  esac
  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
done

# There might be people who depend on the old broken behavior: `$host'
# used to hold the argument of --host etc.
# FIXME: To remove some day.
build=$build_alias
host=$host_alias
target=$target_alias

# FIXME: To remove some day.
if test "x$host_alias" != x; then
  if test "x$build_alias" = x; then
    cross_compiling=maybe
    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
    If a cross compiler is detected then cross compile mode will be used" >&2
  elif test "x$build_alias" != "x$host_alias"; then
    cross_compiling=yes
  fi
fi

ac_tool_prefix=
test -n "$host_alias" && ac_tool_prefix=$host_alias-

test "$silent" = yes && exec 6>/dev/null


ac_pwd=`pwd` && test -n "$ac_pwd" &&
ac_ls_di=`ls -di .` &&
ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
  as_fn_error $? "working directory cannot be determined"
test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
  as_fn_error $? "pwd does not report name of working directory"


# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then the parent directory.
  ac_confdir=`$as_dirname -- "$as_myself" ||
$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$as_myself" : 'X\(//\)[^/]' \| \
	 X"$as_myself" : 'X\(//\)$' \| \
	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$as_myself" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`
  srcdir=$ac_confdir
  if test ! -r "$srcdir/$ac_unique_file"; then
    srcdir=..
  fi
else
  ac_srcdir_defaulted=no
fi
if test ! -r "$srcdir/$ac_unique_file"; then
  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
fi
ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
ac_abs_confdir=`(
	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
	pwd)`
# When building in place, set srcdir=.
if test "$ac_abs_confdir" = "$ac_pwd"; then
  srcdir=.
fi
# Remove unnecessary trailing slashes from srcdir.
# Double slashes in file names in object file debugging info
# mess up M-x gdb in Emacs.
case $srcdir in
*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
esac
for ac_var in $ac_precious_vars; do
  eval ac_env_${ac_var}_set=\${${ac_var}+set}
  eval ac_env_${ac_var}_value=\$${ac_var}
  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
  eval ac_cv_env_${ac_var}_value=\$${ac_var}
done

#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures POV-Ray 3.7.0.RC5 to adapt to many kinds of systems.

Usage: $0 [OPTION]... [VAR=VALUE]...

To assign environment variables (e.g., CC, CFLAGS...), specify them as
VAR=VALUE.  See below for descriptions of some of the useful variables.

Defaults for the options are specified in brackets.

Configuration:
  -h, --help              display this help and exit
      --help=short        display options specific to this package
      --help=recursive    display the short help of all the included packages
  -V, --version           display version information and exit
  -q, --quiet, --silent   do not print \`checking ...' messages
      --cache-file=FILE   cache test results in FILE [disabled]
  -C, --config-cache      alias for \`--cache-file=config.cache'
  -n, --no-create         do not create output files
      --srcdir=DIR        find the sources in DIR [configure dir or \`..']

Installation directories:
  --prefix=PREFIX         install architecture-independent files in PREFIX
                          [$ac_default_prefix]
  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                          [PREFIX]

By default, \`make install' will install all the files in
\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
an installation prefix other than \`$ac_default_prefix' using \`--prefix',
for instance \`--prefix=\$HOME'.

For better control, use the options below.

Fine tuning of the installation directories:
  --bindir=DIR            user executables [EPREFIX/bin]
  --sbindir=DIR           system admin executables [EPREFIX/sbin]
  --libexecdir=DIR        program executables [EPREFIX/libexec]
  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
  --libdir=DIR            object code libraries [EPREFIX/lib]
  --includedir=DIR        C header files [PREFIX/include]
  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
  --infodir=DIR           info documentation [DATAROOTDIR/info]
  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
  --mandir=DIR            man documentation [DATAROOTDIR/man]
  --docdir=DIR            documentation root [DATAROOTDIR/doc/povray]
  --htmldir=DIR           html documentation [DOCDIR]
  --dvidir=DIR            dvi documentation [DOCDIR]
  --pdfdir=DIR            pdf documentation [DOCDIR]
  --psdir=DIR             ps documentation [DOCDIR]
_ACEOF

  cat <<\_ACEOF

Program names:
  --program-prefix=PREFIX            prepend PREFIX to installed program names
  --program-suffix=SUFFIX            append SUFFIX to installed program names
  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names

X features:
  --x-includes=DIR    X include files are in DIR
  --x-libraries=DIR   X library files are in DIR

System types:
  --build=BUILD     configure for building on BUILD [guessed]
  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
_ACEOF
fi

if test -n "$ac_init_help"; then
  case $ac_init_help in
     short | recursive ) echo "Configuration of POV-Ray 3.7.0.RC5:";;
   esac
  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
  --enable-watch-cursor   enable a watch cursor over the display while
                          rendering (X Window only)
  --enable-debug          enable compiler debugging mode
  --enable-profile        enable program execution profiling
  --enable-static         enable the linker to create static executable (no
                          run-time dependancy to external libraries, larger
                          binary)
  --disable-optimiz       disable all compiler optimizations
  --disable-optimiz-arch  disable architecture-specific compiler optimizations
  --disable-pipe          disable usage of pipes during compilation (use
                          temporary files instead)
  --disable-strip         disable stripping all symbols from the object files
                          (larger binary)
  --disable-shared        disable linking with shared libraries (same as
                          --enable-static)
  --disable-io-restrictions
                          disable POV-Ray's mechanism for control of I/O
                          operations
  --enable-maintainer-mode  enable make rules and dependencies not useful
			  (and sometimes confusing) to the casual installer
  --disable-dependency-tracking  speeds up one-time build
  --enable-dependency-tracking   do not reject slow dependency extractors

Optional Packages:
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --without-cygwin-dll    don't link with the Cygwin DLL (MinGW required)
  --with-zlib[=DIR]       use the ZLIB library (in directory DIR)
  --with-libpng[=DIR]     use the PNG library (in directory DIR)
  --with-libjpeg[=DIR]    use the JPEG library (in directory DIR)
  --with-libtiff[=DIR]    use the TIFF library (in directory DIR)
  --with-libsdl[=DIR]     use the SDL library (in directory DIR)
  --with-libmkl[=DIR]     use the Intel(R) Math Kernel Library (in directory
                          DIR)
  --with-openexr[=DIR]    use the OpenEXR library (in directory DIR)
  --with-boost[=DIR]      use boost (default is yes) - it is possible to
                          specify the root directory for boost (optional)
  --with-boost-libdir=LIB_DIR
                          Force given directory for boost libraries. Note that
                          this will overwrite library path detection, so use
                          this parameter only if default library detection
                          fails and you know exactly where your boost
                          libraries are located.
  --with-boost-thread[=special-lib]
                          use the Thread library from boost - it is possible
                          to specify a certain library for the linker e.g.
                          --with-boost-thread=boost_thread-gcc-mt
  --with-x                use the X Window System

Some influential environment variables:
  COMPILED_BY customize the "unofficial version" message (required argument)
  NON_REDISTRIBUTABLE_BUILD
              see the installation documentation
  C99_COMPATIBLE_RADIOSITY
              adapt radiosity code to non-IEEE 754 floating point, requires
              ISO C99 compiler and library (see octree.cpp for details)
  CC          C compiler command
  CFLAGS      C compiler flags
  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
              nonstandard directory <lib dir>
  LIBS        libraries to pass to the linker, e.g. -l<library>
  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
              you have headers in a nonstandard directory <include dir>
  CPP         C preprocessor
  CXX         C++ compiler command
  CXXFLAGS    C++ compiler flags
  CXXCPP      C++ preprocessor
  XMKMF       Path to xmkmf, Makefile generator for X Window System

Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.

Report bugs to <unix-bugreports-2011@povray.org>.
_ACEOF
ac_status=$?
fi

if test "$ac_init_help" = "recursive"; then
  # If there are subdirs, report their specific --help.
  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
    test -d "$ac_dir" ||
      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
      continue
    ac_builddir=.

case "$ac_dir" in
.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
*)
  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
  # A ".." for each directory in $ac_dir_suffix.
  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
  case $ac_top_builddir_sub in
  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
  esac ;;
esac
ac_abs_top_builddir=$ac_pwd
ac_abs_builddir=$ac_pwd$ac_dir_suffix
# for backward compatibility:
ac_top_builddir=$ac_top_build_prefix

case $srcdir in
  .)  # We are building in place.
    ac_srcdir=.
    ac_top_srcdir=$ac_top_builddir_sub
    ac_abs_top_srcdir=$ac_pwd ;;
  [\\/]* | ?:[\\/]* )  # Absolute name.
    ac_srcdir=$srcdir$ac_dir_suffix;
    ac_top_srcdir=$srcdir
    ac_abs_top_srcdir=$srcdir ;;
  *) # Relative name.
    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
    ac_top_srcdir=$ac_top_build_prefix$srcdir
    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
esac
ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix

    cd "$ac_dir" || { ac_status=$?; continue; }
    # Check for guested configure.
    if test -f "$ac_srcdir/configure.gnu"; then
      echo &&
      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
    elif test -f "$ac_srcdir/configure"; then
      echo &&
      $SHELL "$ac_srcdir/configure" --help=recursive
    else
      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
    fi || ac_status=$?
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
  cat <<\_ACEOF
POV-Ray configure 3.7.0.RC5
generated by GNU Autoconf 2.68

Copyright (C) 2010 Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.
_ACEOF
  exit
fi

## ------------------------ ##
## Autoconf initialization. ##
## ------------------------ ##

# ac_fn_c_try_compile LINENO
# --------------------------
# Try to compile conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_compile ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  rm -f conftest.$ac_objext
  if { { ac_try="$ac_compile"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_compile") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    grep -v '^ *+' conftest.err >conftest.er1
    cat conftest.er1 >&5
    mv -f conftest.er1 conftest.err
  fi
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest.$ac_objext; then :
  ac_retval=0
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_retval=1
fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_c_try_compile

# ac_fn_c_try_cpp LINENO
# ----------------------
# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_cpp ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if { { ac_try="$ac_cpp conftest.$ac_ext"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    grep -v '^ *+' conftest.err >conftest.er1
    cat conftest.er1 >&5
    mv -f conftest.er1 conftest.err
  fi
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } > conftest.i && {
	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
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       }; then :
  ac_retval=0
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

    ac_retval=1
fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_c_try_cpp

# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
# -------------------------------------------------------
# Tests whether HEADER exists, giving a warning if it cannot be compiled using
# the include files in INCLUDES and setting the cache variable VAR
# accordingly.
ac_fn_c_check_header_mongrel ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if eval \${$3+:} false; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
else
  # Is the header compilable?
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
$as_echo_n "checking $2 usability... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
#include <$2>
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  ac_header_compiler=yes
else
  ac_header_compiler=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
$as_echo "$ac_header_compiler" >&6; }

# Is the header present?
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
$as_echo_n "checking $2 presence... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <$2>
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
  ac_header_preproc=yes
else
  ac_header_preproc=no
fi
rm -f conftest.err conftest.i conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
$as_echo "$ac_header_preproc" >&6; }

# So?  What about this header?
case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
  yes:no: )
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
    ;;
  no:yes:* )
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
( $as_echo "## ---------------------------------------------- ##
## Report this to unix-bugreports-2011@povray.org ##
## ---------------------------------------------- ##"
     ) | sed "s/^/$as_me: WARNING:     /" >&2
    ;;
esac
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  eval "$3=\$ac_header_compiler"
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_header_mongrel

# ac_fn_c_try_run LINENO
# ----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
# that executables *can* be run.
ac_fn_c_try_run ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if { { ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
  { { case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_try") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then :
  ac_retval=0
else
  $as_echo "$as_me: program exited with status $ac_status" >&5
       $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

       ac_retval=$ac_status
fi
  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_c_try_run

# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
# -------------------------------------------------------
# Tests whether HEADER exists and can be compiled using the include files in
# INCLUDES, setting the cache variable VAR accordingly.
ac_fn_c_check_header_compile ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
#include <$2>
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  eval "$3=yes"
else
  eval "$3=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_header_compile

# ac_fn_cxx_try_compile LINENO
# ----------------------------
# Try to compile conftest.$ac_ext, and return whether this succeeded.
ac_fn_cxx_try_compile ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  rm -f conftest.$ac_objext
  if { { ac_try="$ac_compile"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_compile") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    grep -v '^ *+' conftest.err >conftest.er1
    cat conftest.er1 >&5
    mv -f conftest.er1 conftest.err
  fi
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && {
	 test -z "$ac_cxx_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest.$ac_objext; then :
  ac_retval=0
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_retval=1
fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_cxx_try_compile

# ac_fn_cxx_try_link LINENO
# -------------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
ac_fn_cxx_try_link ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  rm -f conftest.$ac_objext conftest$ac_exeext
  if { { ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    grep -v '^ *+' conftest.err >conftest.er1
    cat conftest.er1 >&5
    mv -f conftest.er1 conftest.err
  fi
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && {
	 test -z "$ac_cxx_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext && {
	 test "$cross_compiling" = yes ||
	 $as_test_x conftest$ac_exeext
       }; then :
  ac_retval=0
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_retval=1
fi
  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
  # interfere with the next link command; also delete a directory that is
  # left behind by Apple's compiler.  We do this before executing the actions.
  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_cxx_try_link

# ac_fn_cxx_try_cpp LINENO
# ------------------------
# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
ac_fn_cxx_try_cpp ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if { { ac_try="$ac_cpp conftest.$ac_ext"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    grep -v '^ *+' conftest.err >conftest.er1
    cat conftest.er1 >&5
    mv -f conftest.er1 conftest.err
  fi
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } > conftest.i && {
	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
	 test ! -s conftest.err
       }; then :
  ac_retval=0
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

    ac_retval=1
fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_cxx_try_cpp

# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_link ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  rm -f conftest.$ac_objext conftest$ac_exeext
  if { { ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    grep -v '^ *+' conftest.err >conftest.er1
    cat conftest.er1 >&5
    mv -f conftest.er1 conftest.err
  fi
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext && {
	 test "$cross_compiling" = yes ||
	 $as_test_x conftest$ac_exeext
       }; then :
  ac_retval=0
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_retval=1
fi
  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
  # interfere with the next link command; also delete a directory that is
  # left behind by Apple's compiler.  We do this before executing the actions.
  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_c_try_link

# ac_fn_cxx_try_run LINENO
# ------------------------
# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
# that executables *can* be run.
ac_fn_cxx_try_run ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if { { ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
  { { case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_try") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then :
  ac_retval=0
else
  $as_echo "$as_me: program exited with status $ac_status" >&5
       $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

       ac_retval=$ac_status
fi
  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_cxx_try_run

# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
# ---------------------------------------------------------
# Tests whether HEADER exists, giving a warning if it cannot be compiled using
# the include files in INCLUDES and setting the cache variable VAR
# accordingly.
ac_fn_cxx_check_header_mongrel ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if eval \${$3+:} false; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
else
  # Is the header compilable?
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
$as_echo_n "checking $2 usability... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
#include <$2>
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_header_compiler=yes
else
  ac_header_compiler=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
$as_echo "$ac_header_compiler" >&6; }

# Is the header present?
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
$as_echo_n "checking $2 presence... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <$2>
_ACEOF
if ac_fn_cxx_try_cpp "$LINENO"; then :
  ac_header_preproc=yes
else
  ac_header_preproc=no
fi
rm -f conftest.err conftest.i conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
$as_echo "$ac_header_preproc" >&6; }

# So?  What about this header?
case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in #((
  yes:no: )
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
    ;;
  no:yes:* )
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
( $as_echo "## ---------------------------------------------- ##
## Report this to unix-bugreports-2011@povray.org ##
## ---------------------------------------------- ##"
     ) | sed "s/^/$as_me: WARNING:     /" >&2
    ;;
esac
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  eval "$3=\$ac_header_compiler"
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_cxx_check_header_mongrel

# ac_fn_cxx_check_func LINENO FUNC VAR
# ------------------------------------
# Tests whether FUNC exists, setting the cache variable VAR accordingly
ac_fn_cxx_check_func ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
#define $2 innocuous_$2

/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $2 (); below.
    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
    <limits.h> exists even on freestanding compilers.  */

#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif

#undef $2

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char $2 ();
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined __stub_$2 || defined __stub___$2
choke me
#endif

int
main ()
{
return $2 ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  eval "$3=yes"
else
  eval "$3=no"
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_cxx_check_func

# ac_fn_cxx_check_type LINENO TYPE VAR INCLUDES
# ---------------------------------------------
# Tests whether TYPE exists after having included INCLUDES, setting cache
# variable VAR accordingly.
ac_fn_cxx_check_type ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  eval "$3=no"
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
if (sizeof ($2))
	 return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
if (sizeof (($2)))
	    return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :

else
  eval "$3=yes"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_cxx_check_type

# ac_fn_cxx_compute_int LINENO EXPR VAR INCLUDES
# ----------------------------------------------
# Tries to find the compile-time value of EXPR in a program that includes
# INCLUDES, setting VAR accordingly. Returns whether the value could be
# computed
ac_fn_cxx_compute_int ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  if test "$cross_compiling" = yes; then
    # Depending upon the size, compute the lo and hi bounds.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
static int test_array [1 - 2 * !(($2) >= 0)];
test_array [0] = 0

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_lo=0 ac_mid=0
  while :; do
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
static int test_array [1 - 2 * !(($2) <= $ac_mid)];
test_array [0] = 0

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_hi=$ac_mid; break
else
  as_fn_arith $ac_mid + 1 && ac_lo=$as_val
			if test $ac_lo -le $ac_mid; then
			  ac_lo= ac_hi=
			  break
			fi
			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  done
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
static int test_array [1 - 2 * !(($2) < 0)];
test_array [0] = 0

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_hi=-1 ac_mid=-1
  while :; do
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
static int test_array [1 - 2 * !(($2) >= $ac_mid)];
test_array [0] = 0

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_lo=$ac_mid; break
else
  as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
			if test $ac_mid -le $ac_hi; then
			  ac_lo= ac_hi=
			  break
			fi
			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  done
else
  ac_lo= ac_hi=
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# Binary search between lo and hi bounds.
while test "x$ac_lo" != "x$ac_hi"; do
  as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
int
main ()
{
static int test_array [1 - 2 * !(($2) <= $ac_mid)];
test_array [0] = 0

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_hi=$ac_mid
else
  as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
done
case $ac_lo in #((
?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
'') ac_retval=1 ;;
esac
  else
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$4
static long int longval () { return $2; }
static unsigned long int ulongval () { return $2; }
#include <stdio.h>
#include <stdlib.h>
int
main ()
{

  FILE *f = fopen ("conftest.val", "w");
  if (! f)
    return 1;
  if (($2) < 0)
    {
      long int i = longval ();
      if (i != ($2))
	return 1;
      fprintf (f, "%ld", i);
    }
  else
    {
      unsigned long int i = ulongval ();
      if (i != ($2))
	return 1;
      fprintf (f, "%lu", i);
    }
  /* Do not output a trailing newline, as this causes \r\n confusion
     on some platforms.  */
  return ferror (f) || fclose (f) != 0;

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_run "$LINENO"; then :
  echo >>conftest.val; read $3 <conftest.val; ac_retval=0
else
  ac_retval=1
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
rm -f conftest.val

  fi
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
  as_fn_set_status $ac_retval

} # ac_fn_cxx_compute_int

# ac_fn_c_check_func LINENO FUNC VAR
# ----------------------------------
# Tests whether FUNC exists, setting the cache variable VAR accordingly
ac_fn_c_check_func ()
{
  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
#define $2 innocuous_$2

/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $2 (); below.
    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
    <limits.h> exists even on freestanding compilers.  */

#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif

#undef $2

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char $2 ();
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined __stub_$2 || defined __stub___$2
choke me
#endif

int
main ()
{
return $2 ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  eval "$3=yes"
else
  eval "$3=no"
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi
eval ac_res=\$$3
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_func
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by POV-Ray $as_me 3.7.0.RC5, which was
generated by GNU Autoconf 2.68.  Invocation command line was

  $ $0 $@

_ACEOF
exec 5>>config.log
{
cat <<_ASUNAME
## --------- ##
## Platform. ##
## --------- ##

hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
uname -m = `(uname -m) 2>/dev/null || echo unknown`
uname -r = `(uname -r) 2>/dev/null || echo unknown`
uname -s = `(uname -s) 2>/dev/null || echo unknown`
uname -v = `(uname -v) 2>/dev/null || echo unknown`

/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`

/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`

_ASUNAME

as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    $as_echo "PATH: $as_dir"
  done
IFS=$as_save_IFS

} >&5

cat >&5 <<_ACEOF


## ----------- ##
## Core tests. ##
## ----------- ##

_ACEOF


# Keep a trace of the command line.
# Strip out --no-create and --no-recursion so they do not pile up.
# Strip out --silent because we don't want to record it for future runs.
# Also quote any args containing shell meta-characters.
# Make two passes to allow for proper duplicate-argument suppression.
ac_configure_args=
ac_configure_args0=
ac_configure_args1=
ac_must_keep_next=false
for ac_pass in 1 2
do
  for ac_arg
  do
    case $ac_arg in
    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
    | -silent | --silent | --silen | --sile | --sil)
      continue ;;
    *\'*)
      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
    esac
    case $ac_pass in
    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
    2)
      as_fn_append ac_configure_args1 " '$ac_arg'"
      if test $ac_must_keep_next = true; then
	ac_must_keep_next=false # Got value, back to normal.
      else
	case $ac_arg in
	  *=* | --config-cache | -C | -disable-* | --disable-* \
	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
	  | -with-* | --with-* | -without-* | --without-* | --x)
	    case "$ac_configure_args0 " in
	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
	    esac
	    ;;
	  -* ) ac_must_keep_next=true ;;
	esac
      fi
      as_fn_append ac_configure_args " '$ac_arg'"
      ;;
    esac
  done
done
{ ac_configure_args0=; unset ac_configure_args0;}
{ ac_configure_args1=; unset ac_configure_args1;}

# When interrupted or exit'd, cleanup temporary files, and complete
# config.log.  We remove comments because anyway the quotes in there
# would cause problems or look ugly.
# WARNING: Use '\'' to represent an apostrophe within the trap.
# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
trap 'exit_status=$?
  # Save into config.log some information that might help in debugging.
  {
    echo

    $as_echo "## ---------------- ##
## Cache variables. ##
## ---------------- ##"
    echo
    # The following way of writing the cache mishandles newlines in values,
(
  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
    eval ac_val=\$$ac_var
    case $ac_val in #(
    *${as_nl}*)
      case $ac_var in #(
      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      esac
      case $ac_var in #(
      _ | IFS | as_nl) ;; #(
      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
      *) { eval $ac_var=; unset $ac_var;} ;;
      esac ;;
    esac
  done
  (set) 2>&1 |
    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
    *${as_nl}ac_space=\ *)
      sed -n \
	"s/'\''/'\''\\\\'\'''\''/g;
	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
      ;; #(
    *)
      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
      ;;
    esac |
    sort
)
    echo

    $as_echo "## ----------------- ##
## Output variables. ##
## ----------------- ##"
    echo
    for ac_var in $ac_subst_vars
    do
      eval ac_val=\$$ac_var
      case $ac_val in
      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
      esac
      $as_echo "$ac_var='\''$ac_val'\''"
    done | sort
    echo

    if test -n "$ac_subst_files"; then
      $as_echo "## ------------------- ##
## File substitutions. ##
## ------------------- ##"
      echo
      for ac_var in $ac_subst_files
      do
	eval ac_val=\$$ac_var
	case $ac_val in
	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
	esac
	$as_echo "$ac_var='\''$ac_val'\''"
      done | sort
      echo
    fi

    if test -s confdefs.h; then
      $as_echo "## ----------- ##
## confdefs.h. ##
## ----------- ##"
      echo
      cat confdefs.h
      echo
    fi
    test "$ac_signal" != 0 &&
      $as_echo "$as_me: caught signal $ac_signal"
    $as_echo "$as_me: exit $exit_status"
  } >&5
  rm -f core *.core core.conftest.* &&
    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
    exit $exit_status
' 0
for ac_signal in 1 2 13 15; do
  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
done
ac_signal=0

# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -f -r conftest* confdefs.h

$as_echo "/* confdefs.h */" > confdefs.h

# Predefined preprocessor variables.

cat >>confdefs.h <<_ACEOF
#define PACKAGE_NAME "$PACKAGE_NAME"
_ACEOF

cat >>confdefs.h <<_ACEOF
#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
_ACEOF

cat >>confdefs.h <<_ACEOF
#define PACKAGE_VERSION "$PACKAGE_VERSION"
_ACEOF

cat >>confdefs.h <<_ACEOF
#define PACKAGE_STRING "$PACKAGE_STRING"
_ACEOF

cat >>confdefs.h <<_ACEOF
#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
_ACEOF

cat >>confdefs.h <<_ACEOF
#define PACKAGE_URL "$PACKAGE_URL"
_ACEOF


# Let the site file select an alternate cache file if it wants to.
# Prefer an explicitly selected file to automatically selected ones.
ac_site_file1=NONE
ac_site_file2=NONE
if test -n "$CONFIG_SITE"; then
  # We do not want a PATH search for config.site.
  case $CONFIG_SITE in #((
    -*)  ac_site_file1=./$CONFIG_SITE;;
    */*) ac_site_file1=$CONFIG_SITE;;
    *)   ac_site_file1=./$CONFIG_SITE;;
  esac
elif test "x$prefix" != xNONE; then
  ac_site_file1=$prefix/share/config.site
  ac_site_file2=$prefix/etc/config.site
else
  ac_site_file1=$ac_default_prefix/share/config.site
  ac_site_file2=$ac_default_prefix/etc/config.site
fi
for ac_site_file in "$ac_site_file1" "$ac_site_file2"
do
  test "x$ac_site_file" = xNONE && continue
  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
$as_echo "$as_me: loading site script $ac_site_file" >&6;}
    sed 's/^/| /' "$ac_site_file" >&5
    . "$ac_site_file" \
      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "failed to load site script $ac_site_file
See \`config.log' for more details" "$LINENO" 5; }
  fi
done

if test -r "$cache_file"; then
  # Some versions of bash will fail to source /dev/null (special files
  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
$as_echo "$as_me: loading cache $cache_file" >&6;}
    case $cache_file in
      [\\/]* | ?:[\\/]* ) . "$cache_file";;
      *)                      . "./$cache_file";;
    esac
  fi
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
$as_echo "$as_me: creating cache $cache_file" >&6;}
  >$cache_file
fi

# Check that the precious variables saved in the cache have kept the same
# value.
ac_cache_corrupted=false
for ac_var in $ac_precious_vars; do
  eval ac_old_set=\$ac_cv_env_${ac_var}_set
  eval ac_new_set=\$ac_env_${ac_var}_set
  eval ac_old_val=\$ac_cv_env_${ac_var}_value
  eval ac_new_val=\$ac_env_${ac_var}_value
  case $ac_old_set,$ac_new_set in
    set,)
      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
      ac_cache_corrupted=: ;;
    ,set)
      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
      ac_cache_corrupted=: ;;
    ,);;
    *)
      if test "x$ac_old_val" != "x$ac_new_val"; then
	# differences in whitespace do not lead to failure.
	ac_old_val_w=`echo x $ac_old_val`
	ac_new_val_w=`echo x $ac_new_val`
	if test "$ac_old_val_w" != "$ac_new_val_w"; then
	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
	  ac_cache_corrupted=:
	else
	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
	  eval $ac_var=\$ac_old_val
	fi
	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
      fi;;
  esac
  # Pass precious variables to config.status.
  if test "$ac_new_set" = set; then
    case $ac_new_val in
    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
    *) ac_arg=$ac_var=$ac_new_val ;;
    esac
    case " $ac_configure_args " in
      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
    esac
  fi
done
if $ac_cache_corrupted; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
fi
## -------------------- ##
## Main body of script. ##
## -------------------- ##

ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu



# VERSION_BASE is then defined as MAJOR.MINOR
VERSION_BASE=`echo $PACKAGE_VERSION | sed 's,\([0-9]*.[0-9]*\).*,\1,g'`


cat >>confdefs.h <<_ACEOF
#define VERSION_BASE "$VERSION_BASE"
_ACEOF

ac_aux_dir=
for ac_dir in unix/config "$srcdir"/unix/config; do
  if test -f "$ac_dir/install-sh"; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install-sh -c"
    break
  elif test -f "$ac_dir/install.sh"; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install.sh -c"
    break
  elif test -f "$ac_dir/shtool"; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/shtool install -c"
    break
  fi
done
if test -z "$ac_aux_dir"; then
  as_fn_error $? "cannot find install-sh, install.sh, or shtool in unix/config \"$srcdir\"/unix/config" "$LINENO" 5
fi

# These three variables are undocumented and unsupported,
# and are intended to be withdrawn in a future Autoconf release.
# They can cause serious problems if a builder's source tree is in a directory
# whose full name contains unusual characters.
ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.


ac_config_headers="$ac_config_headers config.h"



# Additional autoconf macros.
# ===========================================================================
#           http://www.nongnu.org/autoconf-archive/acx_pthread.html
# ===========================================================================
#
# SYNOPSIS
#
#   ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
#
# DESCRIPTION
#
#   This macro figures out how to build C programs using POSIX threads. It
#   sets the PTHREAD_LIBS output variable to the threads library and linker
#   flags, and the PTHREAD_CFLAGS output variable to any special C compiler
#   flags that are needed. (The user can also force certain compiler
#   flags/libs to be tested by setting these environment variables.)
#
#   Also sets PTHREAD_CC to any special C compiler that is needed for
#   multi-threaded programs (defaults to the value of CC otherwise). (This
#   is necessary on AIX to use the special cc_r compiler alias.)
#
#   NOTE: You are assumed to not only compile your program with these flags,
#   but also link it with them as well. e.g. you should link with
#   $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
#
#   If you are only building threads programs, you may wish to use these
#   variables in your default LIBS, CFLAGS, and CC:
#
#          LIBS="$PTHREAD_LIBS $LIBS"
#          CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
#          CC="$PTHREAD_CC"
#
#   In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
#   has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
#   (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
#
#   ACTION-IF-FOUND is a list of shell commands to run if a threads library
#   is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
#   is not found. If ACTION-IF-FOUND is not specified, the default action
#   will define HAVE_PTHREAD.
#
#   Please let the authors know if this macro fails on any platform, or if
#   you have any other suggestions or comments. This macro was based on work
#   by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help
#   from M. Frigo), as well as ac_pthread and hb_pthread macros posted by
#   Alejandro Forero Cuervo to the autoconf macro repository. We are also
#   grateful for the helpful feedback of numerous users.
#
# LICENSE
#
#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
#
#   This program is free software: you can redistribute it and/or modify it
#   under the terms of the GNU General Public License as published by the
#   Free Software Foundation, either version 3 of the License, or (at your
#   option) any later version.
#
#   This program is distributed in the hope that it will be useful, but
#   WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
#   Public License for more details.
#
#   You should have received a copy of the GNU General Public License along
#   with this program. If not, see <http://www.gnu.org/licenses/>.
#
#   As a special exception, the respective Autoconf Macro's copyright owner
#   gives unlimited permission to copy, distribute and modify the configure
#   scripts that are the output of Autoconf when processing the Macro. You
#   need not follow the terms of the GNU General Public License when using
#   or distributing such scripts, even though portions of the text of the
#   Macro appear in them. The GNU General Public License (GPL) does govern
#   all other use of the material that constitutes the Autoconf Macro.
#
#   This special exception to the GPL applies to versions of the Autoconf
#   Macro released by the Autoconf Archive. When you make and distribute a
#   modified version of the Autoconf Macro, you may extend this special
#   exception to the GPL to apply to your modified version as well.


# SYNOPSIS
#
#   AX_ARG_ENABLE(FEATURE, HELP-STRING)
#
# DESCRIPTION
#
#   Basic replacement for AC_ARG_ENABLE().
#   FEATURE must include the '--enable' or '--disable' prefix.
#
# LAST MODIFICATION
#
#   2009-01-09
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_ARG_WITH(FEATURE, OPTIONAL_VALUE_DESCRIPTION, HELP-STRING)
#
# DESCRIPTION
#
#   Basic replacement for AC_ARG_WITH().
#   FEATURE must include the '--with' or '--without' prefix.
#
# LAST MODIFICATION
#
#   2009-01-09
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# ===========================================================================
#          http://www.nongnu.org/autoconf-archive/ax_boost_base.html
# ===========================================================================
#
# SYNOPSIS
#
#   AX_BOOST_BASE([MINIMUM-VERSION])
#
# DESCRIPTION
#
#   Test for the Boost C++ libraries of a particular version (or newer)
#
#   If no path to the installed boost library is given the macro searchs
#   under /usr, /usr/local, /opt and /opt/local and evaluates the
#   $BOOST_ROOT environment variable. Further documentation is available at
#   <http://randspringer.de/boost/index.html>.
#
#   This macro calls:
#
#     AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
#
#   And sets:
#
#     HAVE_BOOST
#
# LICENSE
#
#   Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
#
#   Copying and distribution of this file, with or without modification, are
#   permitted in any medium without royalty provided the copyright notice
#   and this notice are preserved.



# ===========================================================================
#         http://www.nongnu.org/autoconf-archive/ax_boost_thread.html
# ===========================================================================
#
# SYNOPSIS
#
#   AX_BOOST_THREAD
#
# DESCRIPTION
#
#   Test for Thread library from the Boost C++ libraries. The macro requires
#   a preceding call to AX_BOOST_BASE. Further documentation is available at
#   <http://randspringer.de/boost/index.html>.
#
#   This macro calls:
#
#     AC_SUBST(BOOST_THREAD_LIB)
#
#   And sets:
#
#     HAVE_BOOST_THREAD
#
# LICENSE
#
#   Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
#   Copyright (c) 2009 Michael Tindal
#
#   Copying and distribution of this file, with or without modification, are
#   permitted in any medium without royalty provided the copyright notice
#   and this notice are preserved.



# SYNOPSIS
#
#   AX_CHECK_COMPILER_FLAGS(FLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
#
# DESCRIPTION
#
#   Check whether the current compiler supports a given set of flags,
#   cache the result, and update xxFLAGS.
#
#   Note: in principle I'd better use AC_COMPILE_IFELSE([AC_LANG_PROGRAM()])
#   but I don't remember whether it works well when using multiple flags.
#   I find it also safer to inspect stderr using a regular expression.
#   For safety, the compiler is checked with and without the tested flags
#   and the corresponding standard error outputs are compared.
#
# LAST MODIFICATION
#
#   2007-11-08
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_CHECK_LIB(lib, required_version, search_libs, check_function, header, version_function, lib_dir)
#
# DESCRIPTION
#
#   Check whether a function is found in a set of libraries and compare
#   the library version to the required one.
#
# LAST MODIFICATION
#
#   2007-11-08
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_CHECK_LIBJPEG(required_version, lib_dir)
#
# DESCRIPTION
#
#   Check whether the system has libjpeg version required_version.
#
# LAST MODIFICATION
#
#   2007-11-08
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_CHECK_LIBSDL(required_version)
#
# DESCRIPTION
#
#   Check whether the system has libSDL version required_version.
#
# LAST MODIFICATION
#
#   2007-11-08
#
# COPYLEFT
#
#   Copyright (c) 2007 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_CHECK_LIBTIFF(required_version, lib_dir)
#
# DESCRIPTION
#
#   Check whether the system has libtiff version required_version.
#
# LAST MODIFICATION
#
#   2007-11-08
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_CHECK_OPENEXR(required_version)
#
# DESCRIPTION
#
#   Check whether the system has OpenEXR version required_version.
#
# LAST MODIFICATION
#
#   2007-11-08
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# ===========================================================================
#       http://www.nongnu.org/autoconf-archive/ax_compare_version.html
# ===========================================================================
#
# SYNOPSIS
#
#   AX_COMPARE_VERSION(VERSION_A, OP, VERSION_B, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
#
# DESCRIPTION
#
#   This macro compares two version strings. Due to the various number of
#   minor-version numbers that can exist, and the fact that string
#   comparisons are not compatible with numeric comparisons, this is not
#   necessarily trivial to do in a autoconf script. This macro makes doing
#   these comparisons easy.
#
#   The six basic comparisons are available, as well as checking equality
#   limited to a certain number of minor-version levels.
#
#   The operator OP determines what type of comparison to do, and can be one
#   of:
#
#    eq  - equal (test A == B)
#    ne  - not equal (test A != B)
#    le  - less than or equal (test A <= B)
#    ge  - greater than or equal (test A >= B)
#    lt  - less than (test A < B)
#    gt  - greater than (test A > B)
#
#   Additionally, the eq and ne operator can have a number after it to limit
#   the test to that number of minor versions.
#
#    eq0 - equal up to the length of the shorter version
#    ne0 - not equal up to the length of the shorter version
#    eqN - equal up to N sub-version levels
#    neN - not equal up to N sub-version levels
#
#   When the condition is true, shell commands ACTION-IF-TRUE are run,
#   otherwise shell commands ACTION-IF-FALSE are run. The environment
#   variable 'ax_compare_version' is always set to either 'true' or 'false'
#   as well.
#
#   Examples:
#
#     AX_COMPARE_VERSION([3.15.7],[lt],[3.15.8])
#     AX_COMPARE_VERSION([3.15],[lt],[3.15.8])
#
#   would both be true.
#
#     AX_COMPARE_VERSION([3.15.7],[eq],[3.15.8])
#     AX_COMPARE_VERSION([3.15],[gt],[3.15.8])
#
#   would both be false.
#
#     AX_COMPARE_VERSION([3.15.7],[eq2],[3.15.8])
#
#   would be true because it is only comparing two minor versions.
#
#     AX_COMPARE_VERSION([3.15.7],[eq0],[3.15])
#
#   would be true because it is only comparing the lesser number of minor
#   versions of the two values.
#
#   Note: The characters that separate the version numbers do not matter. An
#   empty string is the same as version 0. OP is evaluated by autoconf, not
#   configure, so must be a string, not a variable.
#
#   The author would like to acknowledge Guido Draheim whose advice about
#   the m4_case and m4_ifvaln functions make this macro only include the
#   portions necessary to perform the specific comparison specified by the
#   OP argument in the final configure script.
#
# LICENSE
#
#   Copyright (c) 2008 Tim Toolan <toolan@ele.uri.edu>
#
#   Copying and distribution of this file, with or without modification, are
#   permitted in any medium without royalty provided the copyright notice
#   and this notice are preserved.


# ===========================================================================
#       http://www.nongnu.org/autoconf-archive/ax_compiler_vendor.html
# ===========================================================================
#
# SYNOPSIS
#
#   AX_COMPILER_VENDOR
#
# DESCRIPTION
#
#   Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun,
#   hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft,
#   watcom, etc. The vendor is returned in the cache variable
#   $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++.
#
# LICENSE
#
#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
#   Copyright (c) 2008 Matteo Frigo
#
#   This program is free software: you can redistribute it and/or modify it
#   under the terms of the GNU General Public License as published by the
#   Free Software Foundation, either version 3 of the License, or (at your
#   option) any later version.
#
#   This program is distributed in the hope that it will be useful, but
#   WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
#   Public License for more details.
#
#   You should have received a copy of the GNU General Public License along
#   with this program. If not, see <http://www.gnu.org/licenses/>.
#
#   As a special exception, the respective Autoconf Macro's copyright owner
#   gives unlimited permission to copy, distribute and modify the configure
#   scripts that are the output of Autoconf when processing the Macro. You
#   need not follow the terms of the GNU General Public License when using
#   or distributing such scripts, even though portions of the text of the
#   Macro appear in them. The GNU General Public License (GPL) does govern
#   all other use of the material that constitutes the Autoconf Macro.
#
#   This special exception to the GPL applies to versions of the Autoconf
#   Macro released by the Autoconf Archive. When you make and distribute a
#   modified version of the Autoconf Macro, you may extend this special
#   exception to the GPL to apply to your modified version as well.



# SYNOPSIS
#
#   AX_COMPILER_VERSION
#
# DESCRIPTION
#
#   Try to determine the version of the current compiler.
#   Result is output in $ax_compiler_version
#
#
# LAST MODIFICATION
#
#   2009-01-16
#
# COPYLEFT
#
#   Copyright (c) 2009 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_FIX_INCORRECT_PATH(ENVVAR, PATH, [ACTION-IF-FOUND], [ACTION-IF-MISSING])
#
# DESCRIPTION
#
#   Check whether the environment variable contains a given path, warn
#   and remove it.
#
# LAST MODIFICATION
#
#   2009-01-16
#
# COPYLEFT
#
#   Copyright (c) 2009 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_PROG_LD_STATIC
#
# DESCRIPTION
#
#   Try to determine the mode of static linking.  The macro guesses the proper
#   flag for static linking, caches the result, and updates LDFLAGS.
#
#   Code inspired from GNU libtool 1.4.2 (yes, I know this is a rather old one).
#
# LAST MODIFICATION
#
#   2006-06-04
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.



# SYNOPSIS
#
#   AX_X86_ARCH
#
# DESCRIPTION
#
#   Try to determine the current x86 or x86-64 architecture by reading
#   the /proc filesystem or `dmesg' output.  The architecture name
#   follows the gcc naming convention used for e.g. the -march flag.
#
#   The macro sets the following variables:
#     ax_x86_arch                detected architecture or "unknown"
#     ax_x86_arch_fallback       fallback architecture (e.g. "i686" for "pentium4")
#     ax_x86_cpuinfo             cpuinfo file that is being used
#     ax_x86_cpumodel_orig       original string for the CPU model
#     ax_x86_cpumodel_nofreq     same but without clock speed info
#     ax_x86_cpumodel            processed string for the CPU model
#     ax_x86_vendorid            vendor ID string
#     ax_x86_cpuflags            all supported cpu flags
#     ax_x86_cpuflags_SSE_list   space-seperated list of SSE* supported, e.g. "SSE2 SSE4.1"
#
# LAST MODIFICATION
#
#   2009-01-16
#
# COPYLEFT
#
#   Copyright (c) 2006 Nicolas Calimet
#
#   Copying and distribution of this file, with or without
#   modification, are permitted in any medium without royalty provided
#   the copyright notice and this notice are preserved.




# Required versions of the support libraries.
# Must be declared after AC_INIT.
required_libboost_version="1.37"
required_libz_version="1.2.1"
required_libpng_version="1.2.5"
required_libjpeg_version="6b"
required_libtiff_version="3.6.1"
required_libsdl_version="1.2"
required_openexr_version="1.2"

# Supported options.

  # Check whether --enable-watch-cursor was given.
if test "${enable_watch_cursor+set}" = set; then :
  enableval=$enable_watch_cursor;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --enable-watch-cursor" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-debug was given.
if test "${enable_debug+set}" = set; then :
  enableval=$enable_debug;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --enable-debug" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-profile was given.
if test "${enable_profile+set}" = set; then :
  enableval=$enable_profile;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --enable-profile" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-static was given.
if test "${enable_static+set}" = set; then :
  enableval=$enable_static;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --enable-static" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-optimiz was given.
if test "${enable_optimiz+set}" = set; then :
  enableval=$enable_optimiz;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --disable-optimiz" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-optimiz-arch was given.
if test "${enable_optimiz_arch+set}" = set; then :
  enableval=$enable_optimiz_arch;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --disable-optimiz-arch" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-pipe was given.
if test "${enable_pipe+set}" = set; then :
  enableval=$enable_pipe;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --disable-pipe" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-strip was given.
if test "${enable_strip+set}" = set; then :
  enableval=$enable_strip;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --disable-strip" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-shared was given.
if test "${enable_shared+set}" = set; then :
  enableval=$enable_shared;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --disable-shared" "$LINENO" 5 ;;
      esac


fi



  # Check whether --enable-io-restrictions was given.
if test "${enable_io_restrictions+set}" = set; then :
  enableval=$enable_io_restrictions;
      case "$enableval" in
        yes|no|"") ;;
        *)         as_fn_error $? "incorrect value '$enableval' for --disable-io-restrictions" "$LINENO" 5 ;;
      esac


fi





# Check whether --with-cygwin-dll was given.
if test "${with_cygwin_dll+set}" = set; then :
  withval=$with_cygwin_dll;
fi




# Check whether --with-zlib was given.
if test "${with_zlib+set}" = set; then :
  withval=$with_zlib;
fi




# Check whether --with-libpng was given.
if test "${with_libpng+set}" = set; then :
  withval=$with_libpng;
fi




# Check whether --with-libjpeg was given.
if test "${with_libjpeg+set}" = set; then :
  withval=$with_libjpeg;
fi




# Check whether --with-libtiff was given.
if test "${with_libtiff+set}" = set; then :
  withval=$with_libtiff;
fi




# Check whether --with-libsdl was given.
if test "${with_libsdl+set}" = set; then :
  withval=$with_libsdl;
fi




# Check whether --with-libmkl was given.
if test "${with_libmkl+set}" = set; then :
  withval=$with_libmkl;
fi




# Check whether --with-openexr was given.
if test "${with_openexr+set}" = set; then :
  withval=$with_openexr;
fi








###############################################################################

# Remove povray.ini unconditionally.
rm -f ./povray.ini


# Instruction message.
if test x"$COMPILED_BY" = x""; then
  echo "
Welcome to the $PACKAGE_NAME $PACKAGE_VERSION configure script.

This script will prepare the source distribution of $PACKAGE_NAME $PACKAGE_VERSION for Unix
for compilation on this machine.  Compiling the program yourself means
that the POV-Ray Team(tm) is not responsible for supporting this
version, no matter if it is the unmodified official POV-Ray source code
or a customized version.  Refer to the POV-Ray source license conditions
that come with this package.

In order to start configuration, you have to provide a valid contact
information that will be included in the executable and displayed
whenever POV-Ray (or a modified version of it) is started.  In case
you intend to distribute this binary, this information will help users
to contact the appropriate maintainers.  To start configuring $PACKAGE_NAME
type in the following command with your own contact information:

./configure COMPILED_BY=\"your name <email@address>\"

Please consult the INSTALL file for additional configuration and
installation instructions.
"
  exit 1
fi

pov_no_distrib="${NON_REDISTRIBUTABLE_BUILD:-no}"

# Don't use 'echo' (not saved into config.log / doesn't honor --silent).
# Don't use AC_MSG_NOTICE which prints things first.
{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
===============================================================================
Configure $PACKAGE_NAME version $PACKAGE_VERSION
===============================================================================

This is an unofficial version compiled by:
 $COMPILED_BY
The POV-Ray Team(tm) is not responsible for supporting this version." >&5
$as_echo "
===============================================================================
Configure $PACKAGE_NAME version $PACKAGE_VERSION
===============================================================================

This is an unofficial version compiled by:
 $COMPILED_BY
The POV-Ray Team(tm) is not responsible for supporting this version." >&6; }


cat >>confdefs.h <<_ACEOF
#define DISTRIBUTION_MESSAGE_2 " $COMPILED_BY"
_ACEOF



###############################################################################

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
Environment
-----------" >&5
$as_echo "
Environment
-----------" >&6; }

# Make sure we can run config.sub.
$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
$as_echo_n "checking build system type... " >&6; }
if ${ac_cv_build+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_build_alias=$build_alias
test "x$ac_build_alias" = x &&
  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
test "x$ac_build_alias" = x &&
  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
$as_echo "$ac_cv_build" >&6; }
case $ac_cv_build in
*-*-*) ;;
*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
esac
build=$ac_cv_build
ac_save_IFS=$IFS; IFS='-'
set x $ac_cv_build
shift
build_cpu=$1
build_vendor=$2
shift; shift
# Remember, the first character of IFS is used to create $*,
# except with old shells:
build_os=$*
IFS=$ac_save_IFS
case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
$as_echo_n "checking host system type... " >&6; }
if ${ac_cv_host+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test "x$host_alias" = x; then
  ac_cv_host=$ac_cv_build
else
  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
$as_echo "$ac_cv_host" >&6; }
case $ac_cv_host in
*-*-*) ;;
*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
esac
host=$ac_cv_host
ac_save_IFS=$IFS; IFS='-'
set x $ac_cv_host
shift
host_cpu=$1
host_vendor=$2
shift; shift
# Remember, the first character of IFS is used to create $*,
# except with old shells:
host_os=$*
IFS=$ac_save_IFS
case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac



am__api_version='1.11'

# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AmigaOS /C/install, which installs bootblocks on floppy discs
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# OS/2's system install, which has a completely different semantic
# ./install, which can be erroneously created by make from ./install.sh.
# Reject install programs that cannot install multiple files.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
$as_echo_n "checking for a BSD-compatible install... " >&6; }
if test -z "$INSTALL"; then
if ${ac_cv_path_install+:} false; then :
  $as_echo_n "(cached) " >&6
else
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    # Account for people who put trailing slashes in PATH elements.
case $as_dir/ in #((
  ./ | .// | /[cC]/* | \
  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
  /usr/ucb/* ) ;;
  *)
    # OSF1 and SCO ODT 3.0 have their own names for install.
    # Don't use installbsd from OSF since it installs stuff as root
    # by default.
    for ac_prog in ginstall scoinst install; do
      for ac_exec_ext in '' $ac_executable_extensions; do
	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
	  if test $ac_prog = install &&
	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    :
	  elif test $ac_prog = install &&
	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
	    # program-specific install script used by HP pwplus--don't use.
	    :
	  else
	    rm -rf conftest.one conftest.two conftest.dir
	    echo one > conftest.one
	    echo two > conftest.two
	    mkdir conftest.dir
	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
	      test -s conftest.one && test -s conftest.two &&
	      test -s conftest.dir/conftest.one &&
	      test -s conftest.dir/conftest.two
	    then
	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
	      break 3
	    fi
	  fi
	fi
      done
    done
    ;;
esac

  done
IFS=$as_save_IFS

rm -rf conftest.one conftest.two conftest.dir

fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL=$ac_cv_path_install
  else
    # As a last resort, use the slow shell script.  Don't cache a
    # value for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the value is a relative name.
    INSTALL=$ac_install_sh
  fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
$as_echo "$INSTALL" >&6; }

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
$as_echo_n "checking whether build environment is sane... " >&6; }
# Just in case
sleep 1
echo timestamp > conftest.file
# Reject unsafe characters in $srcdir or the absolute working directory
# name.  Accept space and tab only in the latter.
am_lf='
'
case `pwd` in
  *[\\\"\#\$\&\'\`$am_lf]*)
    as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;;
esac
case $srcdir in
  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
    as_fn_error $? "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;;
esac

# Do `set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
   if test "$*" = "X"; then
      # -L didn't work.
      set X `ls -t "$srcdir/configure" conftest.file`
   fi
   rm -f conftest.file
   if test "$*" != "X $srcdir/configure conftest.file" \
      && test "$*" != "X conftest.file $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
alias in your environment" "$LINENO" 5
   fi

   test "$2" = conftest.file
   )
then
   # Ok.
   :
else
   as_fn_error $? "newly created file is older than distributed files!
Check your system clock" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
test "$program_prefix" != NONE &&
  program_transform_name="s&^&$program_prefix&;$program_transform_name"
# Use a double $ so make ignores it.
test "$program_suffix" != NONE &&
  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
# Double any \ or $.
# By default was `s,x,x', remove it if useless.
ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`

# expand $ac_aux_dir to an absolute path
am_aux_dir=`cd $ac_aux_dir && pwd`

if test x"${MISSING+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    MISSING="\${SHELL} \"\"$am_aux_dir\"/missing\"" ;;
  *)
    MISSING="\${SHELL} \"$am_aux_dir\"/missing" ;;
  esac
fi
# Use eval to expand $SHELL
if eval "$MISSING --run true"; then
  am_missing_run="$MISSING --run "
else
  am_missing_run=
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5
$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
fi

if test x"${install_sh}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  *)
    install_sh="\${SHELL} $am_aux_dir/install-sh"
  esac
fi

# Installed binaries are usually stripped using `strip' when the user
# run `make install-strip'.  However `strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the `STRIP' environment variable to overrule this program.
if test "$cross_compiling" != no; then
  if test -n "$ac_tool_prefix"; then
  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
set dummy ${ac_tool_prefix}strip; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_STRIP+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$STRIP"; then
  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
STRIP=$ac_cv_prog_STRIP
if test -n "$STRIP"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
$as_echo "$STRIP" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


fi
if test -z "$ac_cv_prog_STRIP"; then
  ac_ct_STRIP=$STRIP
  # Extract the first word of "strip", so it can be a program name with args.
set dummy strip; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$ac_ct_STRIP"; then
  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_STRIP="strip"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
if test -n "$ac_ct_STRIP"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
$as_echo "$ac_ct_STRIP" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi

  if test "x$ac_ct_STRIP" = x; then
    STRIP=":"
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
    STRIP=$ac_ct_STRIP
  fi
else
  STRIP="$ac_cv_prog_STRIP"
fi

fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
if test -z "$MKDIR_P"; then
  if ${ac_cv_path_mkdir+:} false; then :
  $as_echo_n "(cached) " >&6
else
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_prog in mkdir gmkdir; do
	 for ac_exec_ext in '' $ac_executable_extensions; do
	   { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
	     'mkdir (GNU coreutils) '* | \
	     'mkdir (coreutils) '* | \
	     'mkdir (fileutils) '4.1*)
	       ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
	       break 3;;
	   esac
	 done
       done
  done
IFS=$as_save_IFS

fi

  test -d ./--version && rmdir ./--version
  if test "${ac_cv_path_mkdir+set}" = set; then
    MKDIR_P="$ac_cv_path_mkdir -p"
  else
    # As a last resort, use the slow shell script.  Don't cache a
    # value for MKDIR_P within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the value is a relative name.
    MKDIR_P="$ac_install_sh -d"
  fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
$as_echo "$MKDIR_P" >&6; }

mkdir_p="$MKDIR_P"
case $mkdir_p in
  [\\/$]* | ?:[\\/]*) ;;
  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
esac

for ac_prog in gawk mawk nawk awk
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_AWK+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$AWK"; then
  ac_cv_prog_AWK="$AWK" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_AWK="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
AWK=$ac_cv_prog_AWK
if test -n "$AWK"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
$as_echo "$AWK" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$AWK" && break
done

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
set x ${MAKE-make}
ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat >conftest.make <<\_ACEOF
SHELL = /bin/sh
all:
	@echo '@@@%%%=$(MAKE)=@@@%%%'
_ACEOF
# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
case `${MAKE-make} -f conftest.make 2>/dev/null` in
  *@@@%%%=?*=@@@%%%*)
    eval ac_cv_prog_make_${ac_make}_set=yes;;
  *)
    eval ac_cv_prog_make_${ac_make}_set=no;;
esac
rm -f conftest.make
fi
if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
  SET_MAKE=
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
  SET_MAKE="MAKE=${MAKE-make}"
fi

rm -rf .tst 2>/dev/null
mkdir .tst 2>/dev/null
if test -d .tst; then
  am__leading_dot=.
else
  am__leading_dot=_
fi
rmdir .tst 2>/dev/null

if test "`cd $srcdir && pwd`" != "`pwd`"; then
  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  # is not polluted with repeated "-I."
  am__isrc=' -I$(srcdir)'
  # test to see if srcdir already configured
  if test -f $srcdir/config.status; then
    as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
  fi
fi

# test whether we have cygpath
if test -z "$CYGPATH_W"; then
  if (cygpath --version) >/dev/null 2>/dev/null; then
    CYGPATH_W='cygpath -w'
  else
    CYGPATH_W=echo
  fi
fi


# Define the identity of the package.
 PACKAGE='povray'
 VERSION='3.7.0.RC5'


cat >>confdefs.h <<_ACEOF
#define PACKAGE "$PACKAGE"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define VERSION "$VERSION"
_ACEOF

# Some tools Automake needs.

ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}


AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}


AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}


AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}


MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}

# We need awk for the "check" target.  The system "awk" is bad on
# some platforms.
# Always define AMTAR for backward compatibility.

AMTAR=${AMTAR-"${am_missing_run}tar"}

am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'






{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
    # Check whether --enable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then :
  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
else
  USE_MAINTAINER_MODE=no
fi

  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
$as_echo "$USE_MAINTAINER_MODE" >&6; }
   if test $USE_MAINTAINER_MODE = yes; then
  MAINTAINER_MODE_TRUE=
  MAINTAINER_MODE_FALSE='#'
else
  MAINTAINER_MODE_TRUE='#'
  MAINTAINER_MODE_FALSE=
fi

  MAINT=$MAINTAINER_MODE_TRUE






  # process paths containing dots and create regexp
  ax_fix_incorrect_path_regexp="[=:]*`echo "." | sed 's,\.,\\\\.,g'`:*"
  echo ax_fix_incorrect_path_regexp = $ax_fix_incorrect_path_regexp >&5

  # initial and processed variable values
  eval "ax_fix_incorrect_path_old=\$C_INCLUDE_PATH"
  ax_fix_incorrect_path_new=`echo $ax_fix_incorrect_path_old | sed s,$ax_fix_incorrect_path_regexp,,g`
  echo ax_fix_incorrect_path_old    = $ax_fix_incorrect_path_old >&5
  echo ax_fix_incorrect_path_new    = $ax_fix_incorrect_path_new >&5

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \$C_INCLUDE_PATH contains the \".\" path" >&5
$as_echo_n "checking whether \$C_INCLUDE_PATH contains the \".\" path... " >&6; }
  if test x"$ax_fix_incorrect_path_new" != x"$ax_fix_incorrect_path_old"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \$C_INCLUDE_PATH is incorrectly set with the \".\" path" >&5
$as_echo "$as_me: WARNING: \$C_INCLUDE_PATH is incorrectly set with the \".\" path" >&2;}
    eval C_INCLUDE_PATH=$ax_fix_incorrect_path_new
    pov_warn_path="$pov_warn_path C_INCLUDE_PATH"
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    :
  fi




  # process paths containing dots and create regexp
  ax_fix_incorrect_path_regexp="[=:]*`echo "." | sed 's,\.,\\\\.,g'`:*"
  echo ax_fix_incorrect_path_regexp = $ax_fix_incorrect_path_regexp >&5

  # initial and processed variable values
  eval "ax_fix_incorrect_path_old=\$CPLUS_INCLUDE_PATH"
  ax_fix_incorrect_path_new=`echo $ax_fix_incorrect_path_old | sed s,$ax_fix_incorrect_path_regexp,,g`
  echo ax_fix_incorrect_path_old    = $ax_fix_incorrect_path_old >&5
  echo ax_fix_incorrect_path_new    = $ax_fix_incorrect_path_new >&5

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \$CPLUS_INCLUDE_PATH contains the \".\" path" >&5
$as_echo_n "checking whether \$CPLUS_INCLUDE_PATH contains the \".\" path... " >&6; }
  if test x"$ax_fix_incorrect_path_new" != x"$ax_fix_incorrect_path_old"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \$CPLUS_INCLUDE_PATH is incorrectly set with the \".\" path" >&5
$as_echo "$as_me: WARNING: \$CPLUS_INCLUDE_PATH is incorrectly set with the \".\" path" >&2;}
    eval CPLUS_INCLUDE_PATH=$ax_fix_incorrect_path_new
    pov_warn_path="$pov_warn_path CPLUS_INCLUDE_PATH"
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    :
  fi



###############################################################################

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
Programs
--------" >&5
$as_echo "
Programs
--------" >&6; }

# Check for the C compiler (used in some library checks).
# Init compiler flags to avoid defaults such as '-g -O2'.
CFLAGS="$CFLAGS"
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
if test -n "$ac_tool_prefix"; then
  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
set dummy ${ac_tool_prefix}gcc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_CC="${ac_tool_prefix}gcc"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
CC=$ac_cv_prog_CC
if test -n "$CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
$as_echo "$CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


fi
if test -z "$ac_cv_prog_CC"; then
  ac_ct_CC=$CC
  # Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_ac_ct_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$ac_ct_CC"; then
  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_CC="gcc"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
ac_ct_CC=$ac_cv_prog_ac_ct_CC
if test -n "$ac_ct_CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
$as_echo "$ac_ct_CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi

  if test "x$ac_ct_CC" = x; then
    CC=""
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
    CC=$ac_ct_CC
  fi
else
  CC="$ac_cv_prog_CC"
fi

if test -z "$CC"; then
          if test -n "$ac_tool_prefix"; then
    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
set dummy ${ac_tool_prefix}cc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_CC="${ac_tool_prefix}cc"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
CC=$ac_cv_prog_CC
if test -n "$CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
$as_echo "$CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  fi
fi
if test -z "$CC"; then
  # Extract the first word of "cc", so it can be a program name with args.
set dummy cc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  ac_prog_rejected=no
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
       ac_prog_rejected=yes
       continue
     fi
    ac_cv_prog_CC="cc"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

if test $ac_prog_rejected = yes; then
  # We found a bogon in the path, so make sure we never use it.
  set dummy $ac_cv_prog_CC
  shift
  if test $# != 0; then
    # We chose a different compiler from the bogus one.
    # However, it has the same basename, so the bogon will be chosen
    # first if we set CC to just the basename; use the full file name.
    shift
    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
  fi
fi
fi
fi
CC=$ac_cv_prog_CC
if test -n "$CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
$as_echo "$CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


fi
if test -z "$CC"; then
  if test -n "$ac_tool_prefix"; then
  for ac_prog in cl.exe
  do
    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
CC=$ac_cv_prog_CC
if test -n "$CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
$as_echo "$CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


    test -n "$CC" && break
  done
fi
if test -z "$CC"; then
  ac_ct_CC=$CC
  for ac_prog in cl.exe
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_ac_ct_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$ac_ct_CC"; then
  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_CC="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
ac_ct_CC=$ac_cv_prog_ac_ct_CC
if test -n "$ac_ct_CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
$as_echo "$ac_ct_CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$ac_ct_CC" && break
done

  if test "x$ac_ct_CC" = x; then
    CC=""
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
    CC=$ac_ct_CC
  fi
fi

fi


test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "no acceptable C compiler found in \$PATH
See \`config.log' for more details" "$LINENO" 5; }

# Provide some information about the compiler.
$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
set X $ac_compile
ac_compiler=$2
for ac_option in --version -v -V -qversion; do
  { { ac_try="$ac_compiler $ac_option >&5"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    sed '10a\
... rest of stderr output deleted ...
         10q' conftest.err >conftest.er1
    cat conftest.er1 >&5
  fi
  rm -f conftest.er1 conftest.err
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }
done

cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
ac_clean_files_save=$ac_clean_files
ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
# Try to create an executable without -o first, disregard a.out.
# It will help us diagnose broken compilers, and finding out an intuition
# of exeext.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
$as_echo_n "checking whether the C compiler works... " >&6; }
ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`

# The possible output files:
ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"

ac_rmfiles=
for ac_file in $ac_files
do
  case $ac_file in
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    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
  esac
done
rm -f $ac_rmfiles

if { { ac_try="$ac_link_default"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link_default") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then :
  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
# in a Makefile.  We should not override ac_cv_exeext if it was cached,
# so that the user can short-circuit this test for compilers unknown to
# Autoconf.
for ac_file in $ac_files ''
do
  test -f "$ac_file" || continue
  case $ac_file in
    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
	;;
    [ab].out )
	# We found the default executable, but exeext='' is most
	# certainly right.
	break;;
    *.* )
	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
	then :; else
	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
	fi
	# We set ac_cv_exeext here because the later test for it is not
	# safe: cross compilers may not add the suffix if given an `-o'
	# argument, so we may need to know it at that point already.
	# Even if this section looks crufty: it has the advantage of
	# actually working.
	break;;
    * )
	break;;
  esac
done
test "$ac_cv_exeext" = no && ac_cv_exeext=

else
  ac_file=''
fi
if test -z "$ac_file"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error 77 "C compiler cannot create executables
See \`config.log' for more details" "$LINENO" 5; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
$as_echo_n "checking for C compiler default output file name... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
$as_echo "$ac_file" >&6; }
ac_exeext=$ac_cv_exeext

rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
ac_clean_files=$ac_clean_files_save
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
$as_echo_n "checking for suffix of executables... " >&6; }
if { { ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then :
  # If both `conftest.exe' and `conftest' are `present' (well, observable)
# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
# work properly (i.e., refer to `conftest.exe'), while it won't with
# `rm'.
for ac_file in conftest.exe conftest conftest.*; do
  test -f "$ac_file" || continue
  case $ac_file in
    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
	  break;;
    * ) break;;
  esac
done
else
  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "cannot compute suffix of executables: cannot compile and link
See \`config.log' for more details" "$LINENO" 5; }
fi
rm -f conftest conftest$ac_cv_exeext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
$as_echo "$ac_cv_exeext" >&6; }

rm -f conftest.$ac_ext
EXEEXT=$ac_cv_exeext
ac_exeext=$EXEEXT
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <stdio.h>
int
main ()
{
FILE *f = fopen ("conftest.out", "w");
 return ferror (f) || fclose (f) != 0;

  ;
  return 0;
}
_ACEOF
ac_clean_files="$ac_clean_files conftest.out"
# Check that the compiler produces executables we can run.  If not, either
# the compiler is broken, or we cross compile.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
$as_echo_n "checking whether we are cross compiling... " >&6; }
if test "$cross_compiling" != yes; then
  { { ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_link") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }
  if { ac_try='./conftest$ac_cv_exeext'
  { { case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_try") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then
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    else
	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "cannot run C compiled programs.
If you meant to cross compile, use \`--host'.
See \`config.log' for more details" "$LINENO" 5; }
    fi
  fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
$as_echo "$cross_compiling" >&6; }

rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
ac_clean_files=$ac_clean_files_save
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
$as_echo_n "checking for suffix of object files... " >&6; }
if ${ac_cv_objext+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
rm -f conftest.o conftest.obj
if { { ac_try="$ac_compile"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_compile") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then :
  for ac_file in conftest.o conftest.obj conftest.*; do
  test -f "$ac_file" || continue;
  case $ac_file in
    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
       break;;
  esac
done
else
  $as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "cannot compute suffix of object files: cannot compile
See \`config.log' for more details" "$LINENO" 5; }
fi
rm -f conftest.$ac_cv_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
$as_echo "$ac_cv_objext" >&6; }
OBJEXT=$ac_cv_objext
ac_objext=$OBJEXT
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
if ${ac_cv_c_compiler_gnu+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{
#ifndef __GNUC__
       choke me
#endif

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  ac_compiler_gnu=yes
else
  ac_compiler_gnu=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
ac_cv_c_compiler_gnu=$ac_compiler_gnu

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
$as_echo "$ac_cv_c_compiler_gnu" >&6; }
if test $ac_compiler_gnu = yes; then
  GCC=yes
else
  GCC=
fi
ac_test_CFLAGS=${CFLAGS+set}
ac_save_CFLAGS=$CFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
$as_echo_n "checking whether $CC accepts -g... " >&6; }
if ${ac_cv_prog_cc_g+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_save_c_werror_flag=$ac_c_werror_flag
   ac_c_werror_flag=yes
   ac_cv_prog_cc_g=no
   CFLAGS="-g"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  ac_cv_prog_cc_g=yes
else
  CFLAGS=""
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :

else
  ac_c_werror_flag=$ac_save_c_werror_flag
	 CFLAGS="-g"
	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  ac_cv_prog_cc_g=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   ac_c_werror_flag=$ac_save_c_werror_flag
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
$as_echo "$ac_cv_prog_cc_g" >&6; }
if test "$ac_test_CFLAGS" = set; then
  CFLAGS=$ac_save_CFLAGS
elif test $ac_cv_prog_cc_g = yes; then
  if test "$GCC" = yes; then
    CFLAGS="-g -O2"
  else
    CFLAGS="-g"
  fi
else
  if test "$GCC" = yes; then
    CFLAGS="-O2"
  else
    CFLAGS=
  fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
if ${ac_cv_prog_cc_c89+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_cv_prog_cc_c89=no
ac_save_CC=$CC
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
struct buf { int x; };
FILE * (*rcsopen) (struct buf *, struct stat *, int);
static char *e (p, i)
     char **p;
     int i;
{
  return p[i];
}
static char *f (char * (*g) (char **, int), char **p, ...)
{
  char *s;
  va_list v;
  va_start (v,p);
  s = g (p, va_arg (v,int));
  va_end (v);
  return s;
}

/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
   function prototypes and stuff, but not '\xHH' hex character constants.
   These don't provoke an error unfortunately, instead are silently treated
   as 'x'.  The following induces an error, until -std is added to get
   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
   array size at least.  It's necessary to write '\x00'==0 to get something
   that's true only with -std.  */
int osf4_cc_array ['\x00' == 0 ? 1 : -1];

/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
   inside strings and character constants.  */
#define FOO(x) 'x'
int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];

int test (int i, double x);
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
int argc;
char **argv;
int
main ()
{
return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
  ;
  return 0;
}
_ACEOF
for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
do
  CC="$ac_save_CC $ac_arg"
  if ac_fn_c_try_compile "$LINENO"; then :
  ac_cv_prog_cc_c89=$ac_arg
fi
rm -f core conftest.err conftest.$ac_objext
  test "x$ac_cv_prog_cc_c89" != "xno" && break
done
rm -f conftest.$ac_ext
CC=$ac_save_CC

fi
# AC_CACHE_VAL
case "x$ac_cv_prog_cc_c89" in
  x)
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
$as_echo "none needed" >&6; } ;;
  xno)
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
$as_echo "unsupported" >&6; } ;;
  *)
    CC="$CC $ac_cv_prog_cc_c89"
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
esac
if test "x$ac_cv_prog_cc_c89" != xno; then :

fi

ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
DEPDIR="${am__leading_dot}deps"

ac_config_commands="$ac_config_commands depfiles"


am_make=${MAKE-make}
cat > confinc << 'END'
am__doit:
	@echo this is the am__doit target
.PHONY: am__doit
END
# If we don't find an include directive, just comment out the code.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
$as_echo_n "checking for style of include used by $am_make... " >&6; }
am__include="#"
am__quote=
_am_result=none
# First try GNU make style include.
echo "include confinc" > confmf
# Ignore all kinds of additional output from `make'.
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
  am__include=include
  am__quote=
  _am_result=GNU
  ;;
esac
# Now try BSD make style include.
if test "$am__include" = "#"; then
   echo '.include "confinc"' > confmf
   case `$am_make -s -f confmf 2> /dev/null` in #(
   *the\ am__doit\ target*)
     am__include=.include
     am__quote="\""
     _am_result=BSD
     ;;
   esac
fi


{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
$as_echo "$_am_result" >&6; }
rm -f confinc confmf

# Check whether --enable-dependency-tracking was given.
if test "${enable_dependency_tracking+set}" = set; then :
  enableval=$enable_dependency_tracking;
fi

if test "x$enable_dependency_tracking" != xno; then
  am_depcomp="$ac_aux_dir/depcomp"
  AMDEPBACKSLASH='\'
fi
 if test "x$enable_dependency_tracking" != xno; then
  AMDEP_TRUE=
  AMDEP_FALSE='#'
else
  AMDEP_TRUE='#'
  AMDEP_FALSE=
fi



depcc="$CC"   am_compiler_list=

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
$as_echo_n "checking dependency style of $depcc... " >&6; }
if ${am_cv_CC_dependencies_compiler_type+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  # We make a subdir and do the tests there.  Otherwise we can end up
  # making bogus files that we don't know about and never remove.  For
  # instance it was reported that on HP-UX the gcc test will end up
  # making a dummy file named `D' -- because `-MD' means `put the output
  # in D'.
  mkdir conftest.dir
  # Copy depcomp to subdir because otherwise we won't find it if we're
  # using a relative directory.
  cp "$am_depcomp" conftest.dir
  cd conftest.dir
  # We will build objects and dependencies in a subdirectory because
  # it helps to detect inapplicable dependency modes.  For instance
  # both Tru64's cc and ICC support -MD to output dependencies as a
  # side effect of compilation, but ICC will put the dependencies in
  # the current directory while Tru64 will put them in the object
  # directory.
  mkdir sub

  am_cv_CC_dependencies_compiler_type=none
  if test "$am_compiler_list" = ""; then
     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
  fi
  am__universal=false
  case " $depcc " in #(
     *\ -arch\ *\ -arch\ *) am__universal=true ;;
     esac

  for depmode in $am_compiler_list; do
    # Setup a source with many dependencies, because some compilers
    # like to wrap large dependency lists on column 80 (with \), and
    # we should not choose a depcomp mode which is confused by this.
    #
    # We need to recreate these files for each test, as the compiler may
    # overwrite some of them when testing with obscure command lines.
    # This happens at least with the AIX C compiler.
    : > sub/conftest.c
    for i in 1 2 3 4 5 6; do
      echo '#include "conftst'$i'.h"' >> sub/conftest.c
      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
      # Solaris 8's {/usr,}/bin/sh.
      touch sub/conftst$i.h
    done
    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf

    # We check with `-c' and `-o' for the sake of the "dashmstdout"
    # mode.  It turns out that the SunPro C++ compiler does not properly
    # handle `-M -o', and we need to detect this.  Also, some Intel
    # versions had trouble with output in subdirs
    am__obj=sub/conftest.${OBJEXT-o}
    am__minus_obj="-o $am__obj"
    case $depmode in
    gcc)
      # This depmode causes a compiler race in universal mode.
      test "$am__universal" = false || continue
      ;;
    nosideeffect)
      # after this tag, mechanisms are not by side-effect, so they'll
      # only be used when explicitly requested
      if test "x$enable_dependency_tracking" = xyes; then
	continue
      else
	break
      fi
      ;;
    msvisualcpp | msvcmsys)
      # This compiler won't grok `-c -o', but also, the minuso test has
      # not run yet.  These depmodes are late enough in the game, and
      # so weak that their functioning should not be impacted.
      am__obj=conftest.${OBJEXT-o}
      am__minus_obj=
      ;;
    none) break ;;
    esac
    if depmode=$depmode \
       source=sub/conftest.c object=$am__obj \
       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
         >/dev/null 2>conftest.err &&
       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
      # icc doesn't choke on unknown options, it will just issue warnings
      # or remarks (even with -Werror).  So we grep stderr for any message
      # that says an option was ignored or not supported.
      # When given -MP, icc 7.0 and 7.1 complain thusly:
      #   icc: Command line warning: ignoring option '-M'; no argument required
      # The diagnosis changed in icc 8.0:
      #   icc: Command line remark: option '-MP' not supported
      if (grep 'ignoring option' conftest.err ||
          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
        am_cv_CC_dependencies_compiler_type=$depmode
        break
      fi
    fi
  done

  cd ..
  rm -rf conftest.dir
else
  am_cv_CC_dependencies_compiler_type=none
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type

 if
  test "x$enable_dependency_tracking" != xno \
  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
  am__fastdepCC_TRUE=
  am__fastdepCC_FALSE='#'
else
  am__fastdepCC_TRUE='#'
  am__fastdepCC_FALSE=
fi


ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
$as_echo_n "checking how to run the C preprocessor... " >&6; }
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
  CPP=
fi
if test -z "$CPP"; then
  if ${ac_cv_prog_CPP+:} false; then :
  $as_echo_n "(cached) " >&6
else
      # Double quotes because CPP needs to be expanded
    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
    do
      ac_preproc_ok=false
for ac_c_preproc_warn_flag in '' yes
do
  # Use a header file that comes with gcc, so configuring glibc
  # with a fresh cross-compiler works.
  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
  # <limits.h> exists even on freestanding compilers.
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp. "Syntax error" is here to catch this case.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
		     Syntax error
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :

else
  # Broken: fails on valid input.
continue
fi
rm -f conftest.err conftest.i conftest.$ac_ext

  # OK, works on sane cases.  Now check whether nonexistent headers
  # can be detected and how.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <ac_nonexistent.h>
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
  # Broken: success on invalid input.
continue
else
  # Passes both tests.
ac_preproc_ok=:
break
fi
rm -f conftest.err conftest.i conftest.$ac_ext

done
# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
rm -f conftest.i conftest.err conftest.$ac_ext
if $ac_preproc_ok; then :
  break
fi

    done
    ac_cv_prog_CPP=$CPP

fi
  CPP=$ac_cv_prog_CPP
else
  ac_cv_prog_CPP=$CPP
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
$as_echo "$CPP" >&6; }
ac_preproc_ok=false
for ac_c_preproc_warn_flag in '' yes
do
  # Use a header file that comes with gcc, so configuring glibc
  # with a fresh cross-compiler works.
  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
  # <limits.h> exists even on freestanding compilers.
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp. "Syntax error" is here to catch this case.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
		     Syntax error
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :

else
  # Broken: fails on valid input.
continue
fi
rm -f conftest.err conftest.i conftest.$ac_ext

  # OK, works on sane cases.  Now check whether nonexistent headers
  # can be detected and how.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <ac_nonexistent.h>
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
  # Broken: success on invalid input.
continue
else
  # Passes both tests.
ac_preproc_ok=:
break
fi
rm -f conftest.err conftest.i conftest.$ac_ext

done
# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
rm -f conftest.i conftest.err conftest.$ac_ext
if $ac_preproc_ok; then :

else
  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
See \`config.log' for more details" "$LINENO" 5; }
fi

ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu


# Force checking essential (ANSI-compliant) headers.


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
if ${ac_cv_path_GREP+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -z "$GREP"; then
  ac_path_GREP_found=false
  # Loop through the user's path and test for each of PROGNAME-LIST
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_prog in grep ggrep; do
    for ac_exec_ext in '' $ac_executable_extensions; do
      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
# Check for GNU ac_path_GREP and select it if it is found.
  # Check for GNU $ac_path_GREP
case `"$ac_path_GREP" --version 2>&1` in
*GNU*)
  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
*)
  ac_count=0
  $as_echo_n 0123456789 >"conftest.in"
  while :
  do
    cat "conftest.in" "conftest.in" >"conftest.tmp"
    mv "conftest.tmp" "conftest.in"
    cp "conftest.in" "conftest.nl"
    $as_echo 'GREP' >> "conftest.nl"
    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
    as_fn_arith $ac_count + 1 && ac_count=$as_val
    if test $ac_count -gt ${ac_path_GREP_max-0}; then
      # Best one so far, save it but keep looking for a better one
      ac_cv_path_GREP="$ac_path_GREP"
      ac_path_GREP_max=$ac_count
    fi
    # 10*(2^10) chars as input seems more than enough
    test $ac_count -gt 10 && break
  done
  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
esac

      $ac_path_GREP_found && break 3
    done
  done
  done
IFS=$as_save_IFS
  if test -z "$ac_cv_path_GREP"; then
    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
  fi
else
  ac_cv_path_GREP=$GREP
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
$as_echo "$ac_cv_path_GREP" >&6; }
 GREP="$ac_cv_path_GREP"


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
$as_echo_n "checking for egrep... " >&6; }
if ${ac_cv_path_EGREP+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
   then ac_cv_path_EGREP="$GREP -E"
   else
     if test -z "$EGREP"; then
  ac_path_EGREP_found=false
  # Loop through the user's path and test for each of PROGNAME-LIST
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_prog in egrep; do
    for ac_exec_ext in '' $ac_executable_extensions; do
      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
# Check for GNU ac_path_EGREP and select it if it is found.
  # Check for GNU $ac_path_EGREP
case `"$ac_path_EGREP" --version 2>&1` in
*GNU*)
  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
*)
  ac_count=0
  $as_echo_n 0123456789 >"conftest.in"
  while :
  do
    cat "conftest.in" "conftest.in" >"conftest.tmp"
    mv "conftest.tmp" "conftest.in"
    cp "conftest.in" "conftest.nl"
    $as_echo 'EGREP' >> "conftest.nl"
    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
    as_fn_arith $ac_count + 1 && ac_count=$as_val
    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
      # Best one so far, save it but keep looking for a better one
      ac_cv_path_EGREP="$ac_path_EGREP"
      ac_path_EGREP_max=$ac_count
    fi
    # 10*(2^10) chars as input seems more than enough
    test $ac_count -gt 10 && break
  done
  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
esac

      $ac_path_EGREP_found && break 3
    done
  done
  done
IFS=$as_save_IFS
  if test -z "$ac_cv_path_EGREP"; then
    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
  fi
else
  ac_cv_path_EGREP=$EGREP
fi

   fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
$as_echo "$ac_cv_path_EGREP" >&6; }
 EGREP="$ac_cv_path_EGREP"


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
$as_echo_n "checking for ANSI C header files... " >&6; }
if ${ac_cv_header_stdc+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  ac_cv_header_stdc=yes
else
  ac_cv_header_stdc=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <string.h>

_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  $EGREP "memchr" >/dev/null 2>&1; then :

else
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <stdlib.h>

_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  $EGREP "free" >/dev/null 2>&1; then :

else
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
  if test "$cross_compiling" = yes; then :
  :
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <ctype.h>
#include <stdlib.h>
#if ((' ' & 0x0FF) == 0x020)
# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#else
# define ISLOWER(c) \
		   (('a' <= (c) && (c) <= 'i') \
		     || ('j' <= (c) && (c) <= 'r') \
		     || ('s' <= (c) && (c) <= 'z'))
# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
#endif

#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int
main ()
{
  int i;
  for (i = 0; i < 256; i++)
    if (XOR (islower (i), ISLOWER (i))
	|| toupper (i) != TOUPPER (i))
      return 2;
  return 0;
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :

else
  ac_cv_header_stdc=no
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
$as_echo "$ac_cv_header_stdc" >&6; }
if test $ac_cv_header_stdc = yes; then

$as_echo "#define STDC_HEADERS 1" >>confdefs.h

fi

# On IRIX 5.3, sys/types and inttypes.h are conflicting.
for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
		  inttypes.h stdint.h unistd.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF

fi

done


for ac_header in stdlib.h
do :
  ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
if test "x$ac_cv_header_stdlib_h" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_STDLIB_H 1
_ACEOF

fi

done



# Check for the C++ compiler and version.
# Init compiler flags to avoid defaults such as '-g -O2'.
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu

CXXFLAGS="$CXXFLAGS"
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
if test -z "$CXX"; then
  if test -n "$CCC"; then
    CXX=$CCC
  else
    if test -n "$ac_tool_prefix"; then
  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
  do
    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_CXX+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$CXX"; then
  ac_cv_prog_CXX="$CXX" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
CXX=$ac_cv_prog_CXX
if test -n "$CXX"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
$as_echo "$CXX" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


    test -n "$CXX" && break
  done
fi
if test -z "$CXX"; then
  ac_ct_CXX=$CXX
  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_ac_ct_CXX+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$ac_ct_CXX"; then
  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_CXX="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
if test -n "$ac_ct_CXX"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
$as_echo "$ac_ct_CXX" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$ac_ct_CXX" && break
done

  if test "x$ac_ct_CXX" = x; then
    CXX="g++"
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
    CXX=$ac_ct_CXX
  fi
fi

  fi
fi
# Provide some information about the compiler.
$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
set X $ac_compile
ac_compiler=$2
for ac_option in --version -v -V -qversion; do
  { { ac_try="$ac_compiler $ac_option >&5"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
  ac_status=$?
  if test -s conftest.err; then
    sed '10a\
... rest of stderr output deleted ...
         10q' conftest.err >conftest.er1
    cat conftest.er1 >&5
  fi
  rm -f conftest.er1 conftest.err
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }
done

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
if ${ac_cv_cxx_compiler_gnu+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{
#ifndef __GNUC__
       choke me
#endif

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_compiler_gnu=yes
else
  ac_compiler_gnu=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
ac_cv_cxx_compiler_gnu=$ac_compiler_gnu

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
if test $ac_compiler_gnu = yes; then
  GXX=yes
else
  GXX=
fi
ac_test_CXXFLAGS=${CXXFLAGS+set}
ac_save_CXXFLAGS=$CXXFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
$as_echo_n "checking whether $CXX accepts -g... " >&6; }
if ${ac_cv_prog_cxx_g+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
   ac_cxx_werror_flag=yes
   ac_cv_prog_cxx_g=no
   CXXFLAGS="-g"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_cv_prog_cxx_g=yes
else
  CXXFLAGS=""
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :

else
  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
	 CXXFLAGS="-g"
	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_cv_prog_cxx_g=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
$as_echo "$ac_cv_prog_cxx_g" >&6; }
if test "$ac_test_CXXFLAGS" = set; then
  CXXFLAGS=$ac_save_CXXFLAGS
elif test $ac_cv_prog_cxx_g = yes; then
  if test "$GXX" = yes; then
    CXXFLAGS="-g -O2"
  else
    CXXFLAGS="-g"
  fi
else
  if test "$GXX" = yes; then
    CXXFLAGS="-O2"
  else
    CXXFLAGS=
  fi
fi
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu

depcc="$CXX"  am_compiler_list=

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
$as_echo_n "checking dependency style of $depcc... " >&6; }
if ${am_cv_CXX_dependencies_compiler_type+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  # We make a subdir and do the tests there.  Otherwise we can end up
  # making bogus files that we don't know about and never remove.  For
  # instance it was reported that on HP-UX the gcc test will end up
  # making a dummy file named `D' -- because `-MD' means `put the output
  # in D'.
  mkdir conftest.dir
  # Copy depcomp to subdir because otherwise we won't find it if we're
  # using a relative directory.
  cp "$am_depcomp" conftest.dir
  cd conftest.dir
  # We will build objects and dependencies in a subdirectory because
  # it helps to detect inapplicable dependency modes.  For instance
  # both Tru64's cc and ICC support -MD to output dependencies as a
  # side effect of compilation, but ICC will put the dependencies in
  # the current directory while Tru64 will put them in the object
  # directory.
  mkdir sub

  am_cv_CXX_dependencies_compiler_type=none
  if test "$am_compiler_list" = ""; then
     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
  fi
  am__universal=false
  case " $depcc " in #(
     *\ -arch\ *\ -arch\ *) am__universal=true ;;
     esac

  for depmode in $am_compiler_list; do
    # Setup a source with many dependencies, because some compilers
    # like to wrap large dependency lists on column 80 (with \), and
    # we should not choose a depcomp mode which is confused by this.
    #
    # We need to recreate these files for each test, as the compiler may
    # overwrite some of them when testing with obscure command lines.
    # This happens at least with the AIX C compiler.
    : > sub/conftest.c
    for i in 1 2 3 4 5 6; do
      echo '#include "conftst'$i'.h"' >> sub/conftest.c
      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
      # Solaris 8's {/usr,}/bin/sh.
      touch sub/conftst$i.h
    done
    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf

    # We check with `-c' and `-o' for the sake of the "dashmstdout"
    # mode.  It turns out that the SunPro C++ compiler does not properly
    # handle `-M -o', and we need to detect this.  Also, some Intel
    # versions had trouble with output in subdirs
    am__obj=sub/conftest.${OBJEXT-o}
    am__minus_obj="-o $am__obj"
    case $depmode in
    gcc)
      # This depmode causes a compiler race in universal mode.
      test "$am__universal" = false || continue
      ;;
    nosideeffect)
      # after this tag, mechanisms are not by side-effect, so they'll
      # only be used when explicitly requested
      if test "x$enable_dependency_tracking" = xyes; then
	continue
      else
	break
      fi
      ;;
    msvisualcpp | msvcmsys)
      # This compiler won't grok `-c -o', but also, the minuso test has
      # not run yet.  These depmodes are late enough in the game, and
      # so weak that their functioning should not be impacted.
      am__obj=conftest.${OBJEXT-o}
      am__minus_obj=
      ;;
    none) break ;;
    esac
    if depmode=$depmode \
       source=sub/conftest.c object=$am__obj \
       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
         >/dev/null 2>conftest.err &&
       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
      # icc doesn't choke on unknown options, it will just issue warnings
      # or remarks (even with -Werror).  So we grep stderr for any message
      # that says an option was ignored or not supported.
      # When given -MP, icc 7.0 and 7.1 complain thusly:
      #   icc: Command line warning: ignoring option '-M'; no argument required
      # The diagnosis changed in icc 8.0:
      #   icc: Command line remark: option '-MP' not supported
      if (grep 'ignoring option' conftest.err ||
          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
        am_cv_CXX_dependencies_compiler_type=$depmode
        break
      fi
    fi
  done

  cd ..
  rm -rf conftest.dir
else
  am_cv_CXX_dependencies_compiler_type=none
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
$as_echo "$am_cv_CXX_dependencies_compiler_type" >&6; }
CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type

 if
  test "x$enable_dependency_tracking" != xno \
  && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then
  am__fastdepCXX_TRUE=
  am__fastdepCXX_FALSE='#'
else
  am__fastdepCXX_TRUE='#'
  am__fastdepCXX_FALSE=
fi


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $CXX compiler works" >&5
$as_echo_n "checking whether the $CXX compiler works... " >&6; }

cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
else

    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "C++ compiler cannot create executables
See \`config.log' for more details" "$LINENO" 5; }


fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
if test -z "$CXXCPP"; then
  if ${ac_cv_prog_CXXCPP+:} false; then :
  $as_echo_n "(cached) " >&6
else
      # Double quotes because CXXCPP needs to be expanded
    for CXXCPP in "$CXX -E" "/lib/cpp"
    do
      ac_preproc_ok=false
for ac_cxx_preproc_warn_flag in '' yes
do
  # Use a header file that comes with gcc, so configuring glibc
  # with a fresh cross-compiler works.
  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
  # <limits.h> exists even on freestanding compilers.
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp. "Syntax error" is here to catch this case.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
		     Syntax error
_ACEOF
if ac_fn_cxx_try_cpp "$LINENO"; then :

else
  # Broken: fails on valid input.
continue
fi
rm -f conftest.err conftest.i conftest.$ac_ext

  # OK, works on sane cases.  Now check whether nonexistent headers
  # can be detected and how.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <ac_nonexistent.h>
_ACEOF
if ac_fn_cxx_try_cpp "$LINENO"; then :
  # Broken: success on invalid input.
continue
else
  # Passes both tests.
ac_preproc_ok=:
break
fi
rm -f conftest.err conftest.i conftest.$ac_ext

done
# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
rm -f conftest.i conftest.err conftest.$ac_ext
if $ac_preproc_ok; then :
  break
fi

    done
    ac_cv_prog_CXXCPP=$CXXCPP

fi
  CXXCPP=$ac_cv_prog_CXXCPP
else
  ac_cv_prog_CXXCPP=$CXXCPP
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
$as_echo "$CXXCPP" >&6; }
ac_preproc_ok=false
for ac_cxx_preproc_warn_flag in '' yes
do
  # Use a header file that comes with gcc, so configuring glibc
  # with a fresh cross-compiler works.
  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
  # <limits.h> exists even on freestanding compilers.
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp. "Syntax error" is here to catch this case.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
		     Syntax error
_ACEOF
if ac_fn_cxx_try_cpp "$LINENO"; then :

else
  # Broken: fails on valid input.
continue
fi
rm -f conftest.err conftest.i conftest.$ac_ext

  # OK, works on sane cases.  Now check whether nonexistent headers
  # can be detected and how.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <ac_nonexistent.h>
_ACEOF
if ac_fn_cxx_try_cpp "$LINENO"; then :
  # Broken: success on invalid input.
continue
else
  # Passes both tests.
ac_preproc_ok=:
break
fi
rm -f conftest.err conftest.i conftest.$ac_ext

done
# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
rm -f conftest.i conftest.err conftest.$ac_ext
if $ac_preproc_ok; then :

else
  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
See \`config.log' for more details" "$LINENO" 5; }
fi

ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu



{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler vendor" >&5
$as_echo_n "checking for C++ compiler vendor... " >&6; }
if ${ax_cv_cxx_compiler_vendor+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ax_cv_cxx_compiler_vendor=unknown
  # note: don't check for gcc first since some other compilers define __GNUC__
  for ventest in intel:__ICC,__ECC,__INTEL_COMPILER ibm:__xlc__,__xlC__,__IBMC__,__IBMCPP__ pathscale:__PATHCC__,__PATHSCALE__ gnu:__GNUC__ sun:__SUNPRO_C,__SUNPRO_CC hp:__HP_cc,__HP_aCC dec:__DECC,__DECCXX,__DECC_VER,__DECCXX_VER borland:__BORLANDC__,__TURBOC__ comeau:__COMO__ cray:_CRAYC kai:__KCC lcc:__LCC__ metrowerks:__MWERKS__ sgi:__sgi,sgi microsoft:_MSC_VER watcom:__WATCOMC__ portland:__PGI; do
    vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")"
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

#if !($vencpp)
      thisisanerror;
#endif

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ax_cv_cxx_compiler_vendor=`echo $ventest | cut -d: -f1`; break
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
  done

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compiler_vendor" >&5
$as_echo "$ax_cv_cxx_compiler_vendor" >&6; }



  ax_compiler_version=

  # get current compiler; don't use $ac_compiler
  eval ax_compiler=`set X $ac_compile; echo $2`
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ax_compiler version" >&5
$as_echo_n "checking for $ax_compiler version... " >&6; }

  filter1="$EGREP [0-9]"
  filter2="tr A-Z a-z | $EGREP version | sed 's,\(.*version[[:space:]]*\)\(.*\),\2,'"
  filter3="head -n 1 | sed 's,.*[[:space:]],,'"

  # check for various version options and remove leading/trailing blanks
  for ax_compiler_version_option_filter in -dumpversion:filter1 -v:filter2 -V:filter2 --version:filter3
  do
    if test x"$ax_compiler_version" = x""; then
      ax_compiler_version_option=`echo $ax_compiler_version_option_filter | cut -d: -f1`
      ax_compiler_version_filter=`echo $ax_compiler_version_option_filter | cut -d: -f2`
      eval ax_compiler_version_filter=\$$ax_compiler_version_filter
      ax_compiler_version_try="$ax_compiler $ax_compiler_version_option < /dev/null > conftest.out 2>&1"
      echo try option $ax_compiler_version_option with filter \"$ax_compiler_version_filter\" >&5
      echo $ax_compiler_version_try >&5
      eval $ax_compiler_version_try
      cat conftest.out >&5
      ax_compiler_version=`eval cat conftest.out \| $ax_compiler_version_filter`
      ax_compiler_version=`echo $ax_compiler_version`
    fi
  done

  # print compiler version string
  if test x"$ax_compiler_version" = x""; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unkown" >&5
$as_echo "unkown" >&6; }
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_compiler_version" >&5
$as_echo "$ax_compiler_version" >&6; }
  fi

  rm -f conftest.out

pov_compiler=`echo $CXX | sed 's,.*/,,'`  # equivalent to `basename $CXX`
pov_compiler_vendor="$ax_cv_cxx_compiler_vendor"
pov_compiler_version="$pov_compiler"
if test "$ax_compiler_version"; then
  pov_compiler_version="$pov_compiler $ax_compiler_version"
fi

pov_built_for="$host"  # default

cat >>confdefs.h <<_ACEOF
#define BUILD_ARCH "$build"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define COMPILER_VENDOR "$pov_compiler_vendor"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define COMPILER_VERSION "$pov_compiler_version"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define COMPILER_VER " ($pov_compiler_version @ $build)"
_ACEOF




# Not necessary when AM_MAINTAINER_MODE is called above.
###AC_PROG_MAKE_SET

if test -n "$ac_tool_prefix"; then
  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ac_tool_prefix}ranlib; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_RANLIB+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$RANLIB"; then
  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
RANLIB=$ac_cv_prog_RANLIB
if test -n "$RANLIB"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
$as_echo "$RANLIB" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


fi
if test -z "$ac_cv_prog_RANLIB"; then
  ac_ct_RANLIB=$RANLIB
  # Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$ac_ct_RANLIB"; then
  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_ac_ct_RANLIB="ranlib"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
if test -n "$ac_ct_RANLIB"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
$as_echo "$ac_ct_RANLIB" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi

  if test "x$ac_ct_RANLIB" = x; then
    RANLIB=":"
  else
    case $cross_compiling:$ac_tool_warned in
yes:)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
    RANLIB=$ac_ct_RANLIB
  fi
else
  RANLIB="$ac_cv_prog_RANLIB"
fi



###############################################################################

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
Libraries
---------" >&5
$as_echo "
Libraries
---------" >&6; }

# Link with or without the cygwin DLL.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to link with cygwin DLL" >&5
$as_echo_n "checking whether to link with cygwin DLL... " >&6; }
if test x"$with_cygwin_dll" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
  case "$build" in
    *cygwin*)
      pov_flags="-mno-cygwin"
      pov_cygwin_save_cxxflags="$CXXFLAGS"




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo $pov_flags | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo $pov_flags | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts $pov_flags" >&5
$as_echo_n "checking whether $ax_test_compiler accepts $pov_flags... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS $pov_flags"

          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lmingw32" >&5
$as_echo_n "checking for main in -lmingw32... " >&6; }
if ${ac_cv_lib_mingw32_main+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lmingw32  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */


int
main ()
{
return main ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_mingw32_main=yes
else
  ac_cv_lib_mingw32_main=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mingw32_main" >&5
$as_echo "$ac_cv_lib_mingw32_main" >&6; }
if test "x$ac_cv_lib_mingw32_main" = xyes; then :

              LDFLAGS="$LDFLAGS $pov_flags"
              # -D__CYGWIN is required for tiffio.h (incl. in tiff_pov.cpp)
              CPPFLAGS="$CPPFLAGS -D__CYGWIN $pov_flags"

else
  with_cygwin_dll="yes"

fi


  else
    with_cygwin_dll="yes"

  fi

      if test x"$with_cygwin_dll" != x"no"; then
        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot link without Cygwin DLL" >&5
$as_echo "$as_me: WARNING: Cannot link without Cygwin DLL" >&2;}
        CXXFLAGS="$pov_cygwin_save_cxxflags"
      fi
    ;;
  esac
else
  case "$build" in
    *cygwin*)
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
    ;;
    *)
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    ;;
  esac
fi

# Link with static library, update LDFLAGS.
if test x"$enable_static" = x"yes" && test x"$enable_shared" != x"yes"; then
  enable_shared="no"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable static linking" >&5
$as_echo_n "checking whether to enable static linking... " >&6; }
if test x"$enable_shared" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

  if ${ax_cv_prog_ld_static+:} false; then :
  $as_echo_n "(cached) " >&6
else

      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker static flag" >&5
$as_echo_n "checking for linker static flag... " >&6; }
      if test x"$GCC" = x"yes"; then
        ax_cv_prog_ld_static="-static"
        case "$build_os" in
          aix*)
            ax_cv_prog_ld_static="$ax_cv_prog_ld_static -Wl,-lC"
            ;;
          irix*)  # [NC]
            ax_cv_prog_ld_static="$ax_cv_prog_ld_static -Wl,-Bstatic"
            ;;
        esac
      else
        case "$build_os" in
          aix3* | aix4* | aix5*)
            if text x"$build_cpu" = x"ia64"; then
              ax_cv_prog_ld_static="-Bstatic"
            else
              ax_cv_prog_ld_static="-bnso -bI:/lib/syscalls.exp"
            fi
            ;;
          hpux9* | hpux10* | hpux11*)
            ax_cv_prog_ld_static="-Wl,-a -Wl,archive"
            ;;
          irix5* | irix6*)
            ax_cv_prog_ld_static="-non_shared"
            ;;
          osf3* | osf4* | osf5*)
            ax_cv_prog_ld_static="-non_shared"
            ;;
          sco3.2v5*)
            ax_cv_prog_ld_static="-dn"
            ;;
          *)
            ax_cv_prog_ld_static="-Bstatic"
            ;;
        esac
      fi
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_prog_ld_static" >&5
$as_echo "$ax_cv_prog_ld_static" >&6; }

      # now check for working flag
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working '$ax_cv_prog_ld_static' flag" >&5
$as_echo_n "checking for working '$ax_cv_prog_ld_static' flag... " >&6; }
      ax_prog_ld_static_save_ldflags="$LDFLAGS"
      LDFLAGS="$LDFLAGS $ax_cv_prog_ld_static"
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
else

          { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
          { $as_echo "$as_me:${as_lineno-$LINENO}: static linking does not work, revert to dynamic linking" >&5
$as_echo "$as_me: static linking does not work, revert to dynamic linking" >&6;}
          ax_cv_prog_ld_static=""
          LDFLAGS="$ax_prog_ld_static_save_ldflags"


fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext


fi


else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi

# Try to use the -v compiler flag for better debugging.
if test ! `$CXX -v < /dev/null 2> /dev/null`; then
  pov_lib_save_cxxflags="$CXXFLAGS"
  CXXFLAGS="$CXXFLAGS -v"
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :

fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
  CXXFLAGS="$pov_lib_save_cxxflags"
fi

# Posix threads



ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

acx_pthread_ok=no

# We used to check for pthread.h first, but this fails if pthread.h
# requires special compiler flags (e.g. on True64 or Sequent).
# It gets checked for in the link test anyway.

# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
        save_CFLAGS="$CFLAGS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        save_LIBS="$LIBS"
        LIBS="$PTHREAD_LIBS $LIBS"
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS" >&5
$as_echo_n "checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS... " >&6; }
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_join ();
int
main ()
{
return pthread_join ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  acx_pthread_ok=yes
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_pthread_ok" >&5
$as_echo "$acx_pthread_ok" >&6; }
        if test x"$acx_pthread_ok" = xno; then
                PTHREAD_LIBS=""
                PTHREAD_CFLAGS=""
        fi
        LIBS="$save_LIBS"
        CFLAGS="$save_CFLAGS"
fi

# We must check for the threads library under a number of different
# names; the ordering is very important because some systems
# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
# libraries is broken (non-POSIX).

# Create a list of thread flags to try.  Items starting with a "-" are
# C compiler flags, and other items are library names, except for "none"
# which indicates that we try without any flags at all, and "pthread-config"
# which is a program returning the flags for the Pth emulation library.

acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"

# The ordering *is* (sometimes) important.  Some notes on the
# individual items follow:

# pthreads: AIX (must check this before -lpthread)
# none: in case threads are in libc; should be tried before -Kthread and
#       other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
# -pthreads: Solaris/gcc
# -mthreads: Mingw32/gcc, Lynx/gcc
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
#      doesn't hurt to check since this sometimes defines pthreads too;
#      also defines -D_REENTRANT)
#      ... -mt is also the pthreads flag for HP/aCC
# pthread: Linux, etcetera
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)

case "${host_cpu}-${host_os}" in
        *solaris*)

        # On Solaris (at least, for some versions), libc contains stubbed
        # (non-functional) versions of the pthreads routines, so link-based
        # tests will erroneously succeed.  (We need to link with -pthreads/-mt/
        # -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
        # a function called by this macro, so we could check for that, but
        # who knows whether they'll stub that too in a future libc.)  So,
        # we'll just look for -pthreads and -lpthread first:

        acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags"
        ;;
esac

if test x"$acx_pthread_ok" = xno; then
for flag in $acx_pthread_flags; do

        case $flag in
                none)
                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5
$as_echo_n "checking whether pthreads work without any flags... " >&6; }
                ;;

                -*)
                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5
$as_echo_n "checking whether pthreads work with $flag... " >&6; }
                PTHREAD_CFLAGS="$flag"
                ;;

		pthread-config)
		# Extract the first word of "pthread-config", so it can be a program name with args.
set dummy pthread-config; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_acx_pthread_config+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$acx_pthread_config"; then
  ac_cv_prog_acx_pthread_config="$acx_pthread_config" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_acx_pthread_config="yes"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

  test -z "$ac_cv_prog_acx_pthread_config" && ac_cv_prog_acx_pthread_config="no"
fi
fi
acx_pthread_config=$ac_cv_prog_acx_pthread_config
if test -n "$acx_pthread_config"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_pthread_config" >&5
$as_echo "$acx_pthread_config" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


		if test x"$acx_pthread_config" = xno; then continue; fi
		PTHREAD_CFLAGS="`pthread-config --cflags`"
		PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
		;;

                *)
                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5
$as_echo_n "checking for the pthreads library -l$flag... " >&6; }
                PTHREAD_LIBS="-l$flag"
                ;;
        esac

        save_LIBS="$LIBS"
        save_CFLAGS="$CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"

        # Check for various functions.  We must include pthread.h,
        # since some functions may be macros.  (On the Sequent, we
        # need a special flag -Kthread to make this header compile.)
        # We check for pthread_join because it is in -lpthread on IRIX
        # while pthread_create is in libc.  We check for pthread_attr_init
        # due to DEC craziness with -lpthreads.  We check for
        # pthread_cleanup_push because it is one of the few pthread
        # functions on Solaris that doesn't have a non-functional libc stub.
        # We try pthread_create on general principles.
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <pthread.h>
int
main ()
{
pthread_t th; pthread_join(th, 0);
                     pthread_attr_init(0); pthread_cleanup_push(0, 0);
                     pthread_create(0,0,0,0); pthread_cleanup_pop(0);
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  acx_pthread_ok=yes
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext

        LIBS="$save_LIBS"
        CFLAGS="$save_CFLAGS"

        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_pthread_ok" >&5
$as_echo "$acx_pthread_ok" >&6; }
        if test "x$acx_pthread_ok" = xyes; then
                break;
        fi

        PTHREAD_LIBS=""
        PTHREAD_CFLAGS=""
done
fi

# Various other checks:
if test "x$acx_pthread_ok" = xyes; then
        save_LIBS="$LIBS"
        LIBS="$PTHREAD_LIBS $LIBS"
        save_CFLAGS="$CFLAGS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"

        # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5
$as_echo_n "checking for joinable pthread attribute... " >&6; }
	attr_name=unknown
	for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <pthread.h>
int
main ()
{
int attr=$attr; return attr;
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  attr_name=$attr; break
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
	done
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $attr_name" >&5
$as_echo "$attr_name" >&6; }
        if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then

cat >>confdefs.h <<_ACEOF
#define PTHREAD_CREATE_JOINABLE $attr_name
_ACEOF

        fi

        { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5
$as_echo_n "checking if more special flags are required for pthreads... " >&6; }
        flag=no
        case "${host_cpu}-${host_os}" in
            *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
            *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
        esac
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${flag}" >&5
$as_echo "${flag}" >&6; }
        if test "x$flag" != xno; then
            PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
        fi

        LIBS="$save_LIBS"
        CFLAGS="$save_CFLAGS"

        # More AIX lossage: must compile with xlc_r or cc_r
	if test x"$GCC" != xyes; then
          for ac_prog in xlc_r cc_r
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_PTHREAD_CC+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$PTHREAD_CC"; then
  ac_cv_prog_PTHREAD_CC="$PTHREAD_CC" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_PTHREAD_CC="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
PTHREAD_CC=$ac_cv_prog_PTHREAD_CC
if test -n "$PTHREAD_CC"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PTHREAD_CC" >&5
$as_echo "$PTHREAD_CC" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$PTHREAD_CC" && break
done
test -n "$PTHREAD_CC" || PTHREAD_CC="${CC}"

        else
          PTHREAD_CC=$CC
	fi
else
        PTHREAD_CC="$CC"
fi





# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test x"$acx_pthread_ok" = xyes; then

$as_echo "#define HAVE_PTHREAD 1" >>confdefs.h

        :
else
        acx_pthread_ok=no

fi
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu


CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"  # append
LIBS="$LIBS $PTHREAD_CFLAGS $PTHREAD_LIBS"  # append

# Boost; required library
# the following macro stops with error when boost is not found


# Check whether --with-boost was given.
if test "${with_boost+set}" = set; then :
  withval=$with_boost;
    if test "$withval" = "no"; then
		want_boost="no"
    elif test "$withval" = "yes"; then
        want_boost="yes"
        ac_boost_path=""
    else
	    want_boost="yes"
        ac_boost_path="$withval"
	fi

else
  want_boost="yes"
fi




# Check whether --with-boost-libdir was given.
if test "${with_boost_libdir+set}" = set; then :
  withval=$with_boost_libdir;
        if test -d $withval
        then
                ac_boost_lib_path="$withval"
        else
                as_fn_error $? "--with-boost-libdir expected directory name" "$LINENO" 5
        fi

else
  ac_boost_lib_path=""

fi


if test "x$want_boost" = "xyes"; then
	boost_lib_version_req=$required_libboost_version
	boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([0-9]*\.[0-9]*\)'`
	boost_lib_version_req_major=`expr $boost_lib_version_req : '\([0-9]*\)'`
	boost_lib_version_req_minor=`expr $boost_lib_version_req : '[0-9]*\.\([0-9]*\)'`
	boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
	if test "x$boost_lib_version_req_sub_minor" = "x" ; then
		boost_lib_version_req_sub_minor="0"
    	fi
	WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+  $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for boostlib >= $boost_lib_version_req" >&5
$as_echo_n "checking for boostlib >= $boost_lib_version_req... " >&6; }
	succeeded=no

				if test "$ac_boost_path" != ""; then
		BOOST_LDFLAGS="-L$ac_boost_path/lib"
		BOOST_CPPFLAGS="-I$ac_boost_path/include"
	else
		for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
			if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
				BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib"
				BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
				break;
			fi
		done
	fi

            if test "$ac_boost_lib_path" != ""; then
       BOOST_LDFLAGS="-L$ac_boost_lib_path"
    fi

	CPPFLAGS_SAVED="$CPPFLAGS"
	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
	export CPPFLAGS

	LDFLAGS_SAVED="$LDFLAGS"
	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
	export LDFLAGS

	ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu

     	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

	#include <boost/version.hpp>

int
main ()
{

	#if BOOST_VERSION >= $WANT_BOOST_VERSION
	// Everything is okay
	#else
	#  error Boost version is too old
	#endif

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :

        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
	succeeded=yes
	found_system=yes

fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu




			if test "x$succeeded" != "xyes"; then
		_version=0
		if test "$ac_boost_path" != ""; then
			if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
				for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
					_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
					V_CHECK=`expr $_version_tmp \> $_version`
					if test "$V_CHECK" = "1" ; then
						_version=$_version_tmp
					fi
					VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
					BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
				done
			fi
		else
			for ac_boost_path in /usr /usr/local /opt /opt/local ; do
				if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
					for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
						_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
						V_CHECK=`expr $_version_tmp \> $_version`
						if test "$V_CHECK" = "1" ; then
							_version=$_version_tmp
	               					best_path=$ac_boost_path
						fi
					done
				fi
			done

			VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
			BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
            if test "$ac_boost_lib_path" = ""
            then
               BOOST_LDFLAGS="-L$best_path/lib"
            fi

	    		if test "x$BOOST_ROOT" != "x"; then
				if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
					version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
					stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
			        	stage_version_shorten=`expr $stage_version : '\([0-9]*\.[0-9]*\)'`
					V_CHECK=`expr $stage_version_shorten \>\= $_version`
                    if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
						{ $as_echo "$as_me:${as_lineno-$LINENO}: We will use a staged boost library from $BOOST_ROOT" >&5
$as_echo "$as_me: We will use a staged boost library from $BOOST_ROOT" >&6;}
						BOOST_CPPFLAGS="-I$BOOST_ROOT"
						BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib"
					fi
				fi
	    		fi
		fi

		CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
		export CPPFLAGS
		LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
		export LDFLAGS

		ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu

	     	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

		#include <boost/version.hpp>

int
main ()
{

		#if BOOST_VERSION >= $WANT_BOOST_VERSION
		// Everything is okay
		#else
		#  error Boost version is too old
		#endif

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :

        	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
		succeeded=yes
		found_system=yes

fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
		ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu

	fi

	if test "$succeeded" != "yes" ; then
		if test "$_version" = "0" ; then
			as_fn_error $? "We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation." "$LINENO" 5
		else
			{ $as_echo "$as_me:${as_lineno-$LINENO}: Your boost libraries seems to old (version $_version)." >&5
$as_echo "$as_me: Your boost libraries seems to old (version $_version)." >&6;}
		fi
	else



$as_echo "#define HAVE_BOOST /**/" >>confdefs.h

	fi

        CPPFLAGS="$CPPFLAGS_SAVED"
       	LDFLAGS="$LDFLAGS_SAVED"
fi




# Check whether --with-boost-thread was given.
if test "${with_boost_thread+set}" = set; then :
  withval=$with_boost_thread;
        if test "$withval" = "no"; then
			want_boost="no"
        elif test "$withval" = "yes"; then
            want_boost="yes"
            ax_boost_user_thread_lib=""
        else
		    want_boost="yes"
        	ax_boost_user_thread_lib="$withval"
		fi

else
  want_boost="yes"

fi


	if test "x$want_boost" = "xyes"; then


		CPPFLAGS_SAVED="$CPPFLAGS"
		CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
		export CPPFLAGS

		LDFLAGS_SAVED="$LDFLAGS"
		LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
		export LDFLAGS

        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the Boost::Thread library is available" >&5
$as_echo_n "checking whether the Boost::Thread library is available... " >&6; }
if ${ax_cv_boost_thread+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu

			 CXXFLAGS_SAVE=$CXXFLAGS

			 if test "x$build_os" = "xsolaris" ; then
  				 CXXFLAGS="-pthreads $CXXFLAGS"
			 elif test "x$build_os" = "xming32" ; then
				 CXXFLAGS="-mthreads $CXXFLAGS"
			 else
				CXXFLAGS="-pthread $CXXFLAGS"
			 fi
			 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <boost/thread/thread.hpp>
int
main ()
{
boost::thread_group thrds;
                                   return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ax_cv_boost_thread=yes
else
  ax_cv_boost_thread=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
			 CXXFLAGS=$CXXFLAGS_SAVE
             ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu


fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_boost_thread" >&5
$as_echo "$ax_cv_boost_thread" >&6; }
		if test "x$ax_cv_boost_thread" = "xyes"; then
           if test "x$build_os" = "xsolaris" ; then
			  BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
		   elif test "x$build_os" = "xming32" ; then
			  BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
		   else
			  BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
		   fi




$as_echo "#define HAVE_BOOST_THREAD /**/" >>confdefs.h

            BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/[^\/]*//'`

			LDFLAGS_SAVE=$LDFLAGS
                        case "x$build_os" in
                          *bsd* )
                               LDFLAGS="-pthread $LDFLAGS"
                          break;
                          ;;
                        esac
            if test "x$ax_boost_user_thread_lib" = "x"; then
                for libextension in `ls $BOOSTLIBDIR/libboost_thread*.so* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_thread.*\)\.so.*$;\1;'` `ls $BOOSTLIBDIR/libboost_thread*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_thread.*\)\.a*$;\1;'`; do
                     ax_lib=${libextension}
				    as_ac_Lib=`$as_echo "ac_cv_lib_$ax_lib''_exit" | $as_tr_sh`
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for exit in -l$ax_lib" >&5
$as_echo_n "checking for exit in -l$ax_lib... " >&6; }
if eval \${$as_ac_Lib+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-l$ax_lib  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char exit ();
int
main ()
{
return exit ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  eval "$as_ac_Lib=yes"
else
  eval "$as_ac_Lib=no"
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
eval ac_res=\$$as_ac_Lib
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
  BOOST_THREAD_LIB="-l$ax_lib";  link_thread="yes"; break
else
  link_thread="no"
fi

  				done
                if test "x$link_thread" != "xyes"; then
                for libextension in `ls $BOOSTLIBDIR/boost_thread*.dll* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_thread.*\)\.dll.*$;\1;'` `ls $BOOSTLIBDIR/boost_thread*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_thread.*\)\.a*$;\1;'` ; do
                     ax_lib=${libextension}
				    as_ac_Lib=`$as_echo "ac_cv_lib_$ax_lib''_exit" | $as_tr_sh`
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for exit in -l$ax_lib" >&5
$as_echo_n "checking for exit in -l$ax_lib... " >&6; }
if eval \${$as_ac_Lib+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-l$ax_lib  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char exit ();
int
main ()
{
return exit ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  eval "$as_ac_Lib=yes"
else
  eval "$as_ac_Lib=no"
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
eval ac_res=\$$as_ac_Lib
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
  BOOST_THREAD_LIB="-l$ax_lib";  link_thread="yes"; break
else
  link_thread="no"
fi

  				done
                fi

            else
               for ax_lib in $ax_boost_user_thread_lib boost_thread-$ax_boost_user_thread_lib; do
				      as_ac_Lib=`$as_echo "ac_cv_lib_$ax_lib''_exit" | $as_tr_sh`
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for exit in -l$ax_lib" >&5
$as_echo_n "checking for exit in -l$ax_lib... " >&6; }
if eval \${$as_ac_Lib+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-l$ax_lib  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char exit ();
int
main ()
{
return exit ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  eval "$as_ac_Lib=yes"
else
  eval "$as_ac_Lib=no"
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
eval ac_res=\$$as_ac_Lib
	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
  BOOST_THREAD_LIB="-l$ax_lib";  link_thread="yes"; break
else
  link_thread="no"
fi

                  done

            fi
			if test "x$link_thread" = "xno"; then
				as_fn_error $? "Could not link against $ax_lib !" "$LINENO" 5
                        else
                           case "x$build_os" in
                              *bsd* )
			        BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
                              break;
                              ;;
                           esac

			fi
		fi

		CPPFLAGS="$CPPFLAGS_SAVED"
    	LDFLAGS="$LDFLAGS_SAVED"
	fi

if test x"$ax_cv_boost_thread" != x"yes"; then
  as_fn_error $? "cannot find a suitable boost thread library" "$LINENO" 5
else
  CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"  # append
  LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"     # append
  LIBS="$BOOST_THREAD_LIB $LIBS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the boost thread library is usable" >&5
$as_echo_n "checking whether the boost thread library is usable... " >&6; }
if test "$cross_compiling" = yes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: cross-compiling" >&5
$as_echo "cross-compiling" >&6; }  # FIXME

else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#include <boost/thread/thread.hpp>

int
main ()
{
boost::defer_lock_t(); return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_run "$LINENO"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
else

    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "cannot link with the boost thread library
See \`config.log' for more details" "$LINENO" 5; }

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi


$as_echo "#define USE_OFFICIAL_BOOST /**/" >>confdefs.h


# Intel Math Kernel library
pov_save_ldflags="$LDFLAGS"
test x"$with_libmkl" != x"" && LDFLAGS="-L$with_libmkl $LDFLAGS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lmkl" >&5
$as_echo_n "checking for sin in -lmkl... " >&6; }
if ${ac_cv_lib_mkl_sin+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lmkl  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char sin ();
int
main ()
{
return sin ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_mkl_sin=yes
else
  ac_cv_lib_mkl_sin=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mkl_sin" >&5
$as_echo "$ac_cv_lib_mkl_sin" >&6; }
if test "x$ac_cv_lib_mkl_sin" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBMKL 1
_ACEOF

  LIBS="-lmkl $LIBS"

fi

test x"ac_cv_lib_mkl_sin" = x"no" && LDFLAGS="$pov_save_ldflags"

# libm
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
$as_echo_n "checking for sin in -lm... " >&6; }
if ${ac_cv_lib_m_sin+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lm  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char sin ();
int
main ()
{
return sin ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_m_sin=yes
else
  ac_cv_lib_m_sin=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
$as_echo "$ac_cv_lib_m_sin" >&6; }
if test "x$ac_cv_lib_m_sin" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBM 1
_ACEOF

  LIBS="-lm $LIBS"

fi


# real-time clock
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for clock_gettime in -lrt" >&5
$as_echo_n "checking for clock_gettime in -lrt... " >&6; }
if ${ac_cv_lib_rt_clock_gettime+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lrt  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char clock_gettime ();
int
main ()
{
return clock_gettime ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_rt_clock_gettime=yes
else
  ac_cv_lib_rt_clock_gettime=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_clock_gettime" >&5
$as_echo "$ac_cv_lib_rt_clock_gettime" >&6; }
if test "x$ac_cv_lib_rt_clock_gettime" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBRT 1
_ACEOF

  LIBS="-lrt $LIBS"

fi


# libz; required library for distributable builds
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use the ZLIB library" >&5
$as_echo_n "checking whether to use the ZLIB library... " >&6; }
if test x"$pov_no_distrib" = x"yes" && test x"$with_zlib" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (NON DISTRIBUTABLE BUILD)" >&5
$as_echo "no (NON DISTRIBUTABLE BUILD)" >&6; }
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: all program features using the ZLIB library are disabled" >&5
$as_echo "$as_me: WARNING: all program features using the ZLIB library are disabled" >&2;}

$as_echo "#define LIBZ_MISSING /**/" >>confdefs.h

else
  if test x"$with_zlib" = x"no"; then
    as_fn_error $? "disabling support for ZLIB requires NON_REDISTRIBUTABLE_BUILD=yes" "$LINENO" 5
  fi
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }


  ax_check_lib_save_cppflags="$CPPFLAGS"
  ax_check_lib_save_ldflags="$LDFLAGS"
  if test x"$with_zlib" != x""; then
    CPPFLAGS="-I$with_zlib/../include $CPPFLAGS"
    LDFLAGS="-L$with_zlib $LDFLAGS"
  fi

  # check the library
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing zlibVersion" >&5
$as_echo_n "checking for library containing zlibVersion... " >&6; }
if ${ac_cv_search_zlibVersion+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char zlibVersion ();
int
main ()
{
return zlibVersion ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' z; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib
   $ac_func_search_save_LIBS"
  fi
  if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_search_zlibVersion=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_zlibVersion+:} false; then :
  break
fi
done
if ${ac_cv_search_zlibVersion+:} false; then :

else
  ac_cv_search_zlibVersion=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zlibVersion" >&5
$as_echo "$ac_cv_search_zlibVersion" >&6; }
ac_res=$ac_cv_search_zlibVersion
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

      # check include file
      ac_fn_cxx_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
if test "x$ac_cv_header_zlib_h" = xyes; then :

          # check library version, update LIBS
          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libz version >= $required_libz_version" >&5
$as_echo_n "checking for libz version >= $required_libz_version... " >&6; }
          if test "$cross_compiling" = yes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: cross-compiling, forced" >&5
$as_echo "cross-compiling, forced" >&6; }

else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

              #include <stdio.h>
#include <string.h>
#include "zlib.h"
int main (void)
{
  const char *version = zlibVersion();
  fprintf (stderr, "%s\n", version);
  return 0;
}


_ACEOF
if ac_fn_cxx_try_run "$LINENO"; then :

              ax_check_lib_version=`eval $ac_try 2>&1`



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_lib_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "$required_libz_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    ax_check_lib="ok"
    else ax_check_lib="bad"
  fi

              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_lib_version, $ax_check_lib" >&5
$as_echo "$ax_check_lib_version, $ax_check_lib" >&6; }

else

              ax_check_lib="unknown"
              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_lib" >&5
$as_echo "$ax_check_lib" >&6; }

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
  # AC_RUN_IFELSE

else
  ax_check_lib="no headers"

fi

  # AC_CHECK_HEADER

else
  ax_check_lib="not found"
fi
  # AC_SEARCH_LIBS

  if test x"$ax_check_lib" != x"ok"; then
    CPPFLAGS="$ax_check_lib_save_cppflags"
    LDFLAGS="$ax_check_lib_save_ldflags"
  fi

  if test x"$ax_check_lib" != x"ok"; then
    as_fn_error $? "cannot find a suitable ZLIB library" "$LINENO" 5
  else
    pov_libz=ok
  fi
fi

# libpng; required library for distributable builds
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use the PNG library" >&5
$as_echo_n "checking whether to use the PNG library... " >&6; }
if test x"$pov_no_distrib" = x"yes" && test x"$with_libpng" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (NON DISTRIBUTABLE BUILD)" >&5
$as_echo "no (NON DISTRIBUTABLE BUILD)" >&6; }
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: all program features using the PNG library are disabled" >&5
$as_echo "$as_me: WARNING: all program features using the PNG library are disabled" >&2;}

$as_echo "#define LIBPNG_MISSING /**/" >>confdefs.h

else
  if test x"$with_libpng" = x"no"; then
    as_fn_error $? "disabling support for PNG requires NON_REDISTRIBUTABLE_BUILD=yes" "$LINENO" 5
  fi
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

  ax_check_lib_save_cppflags="$CPPFLAGS"
  ax_check_lib_save_ldflags="$LDFLAGS"
  if test x"$with_libpng" != x""; then
    CPPFLAGS="-I$with_libpng/../include $CPPFLAGS"
    LDFLAGS="-L$with_libpng $LDFLAGS"
  fi

  # check the library
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing png_get_libpng_ver" >&5
$as_echo_n "checking for library containing png_get_libpng_ver... " >&6; }
if ${ac_cv_search_png_get_libpng_ver+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char png_get_libpng_ver ();
int
main ()
{
return png_get_libpng_ver ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' png14 png png12 png; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib
   $ac_func_search_save_LIBS"
  fi
  if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_search_png_get_libpng_ver=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_png_get_libpng_ver+:} false; then :
  break
fi
done
if ${ac_cv_search_png_get_libpng_ver+:} false; then :

else
  ac_cv_search_png_get_libpng_ver=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_png_get_libpng_ver" >&5
$as_echo "$ac_cv_search_png_get_libpng_ver" >&6; }
ac_res=$ac_cv_search_png_get_libpng_ver
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

      # check include file
      ac_fn_cxx_check_header_mongrel "$LINENO" "png.h" "ac_cv_header_png_h" "$ac_includes_default"
if test "x$ac_cv_header_png_h" = xyes; then :

          # check library version, update LIBS
          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libpng version >= $required_libpng_version" >&5
$as_echo_n "checking for libpng version >= $required_libpng_version... " >&6; }
          if test "$cross_compiling" = yes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: cross-compiling, forced" >&5
$as_echo "cross-compiling, forced" >&6; }

else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

              #include <stdio.h>
#include <string.h>
#include "png.h"
int main (void)
{
  const char *version = png_get_libpng_ver(NULL);
  fprintf (stderr, "%s\n", version);
  return 0;
}


_ACEOF
if ac_fn_cxx_try_run "$LINENO"; then :

              ax_check_lib_version=`eval $ac_try 2>&1`



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_lib_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "$required_libpng_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    ax_check_lib="ok"
    else ax_check_lib="bad"
  fi

              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_lib_version, $ax_check_lib" >&5
$as_echo "$ax_check_lib_version, $ax_check_lib" >&6; }

else

              ax_check_lib="unknown"
              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_lib" >&5
$as_echo "$ax_check_lib" >&6; }

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
  # AC_RUN_IFELSE

else
  ax_check_lib="no headers"

fi

  # AC_CHECK_HEADER

else
  ax_check_lib="not found"
fi
  # AC_SEARCH_LIBS

  if test x"$ax_check_lib" != x"ok"; then
    CPPFLAGS="$ax_check_lib_save_cppflags"
    LDFLAGS="$ax_check_lib_save_ldflags"
  fi

  ### FIXME: do not allow for 1.4.x
	# This doesn't appear to be needed now that we're allowing 1.4 (jh)
  # AC_MSG_CHECKING([for libpng version < 1.4 (not supported at the moment!)])
  # AX_COMPARE_VERSION([$ax_check_lib_version], [ge], [1.4], [ax_check_lib="bad"], [ax_check_lib="ok"])
  # AC_MSG_RESULT([$ax_check_lib])
  ###
  if test x"$ax_check_lib" != x"ok"; then
    as_fn_error $? "cannot find a suitable PNG library" "$LINENO" 5
  else
    pov_libpng=ok
  fi
fi

# FIXME: what about cygwin?
# libjpeg; required library for distributable builds
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use the JPEG library" >&5
$as_echo_n "checking whether to use the JPEG library... " >&6; }
if test x"$pov_no_distrib" = x"yes" && test x"$with_libjpeg" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (NON DISTRIBUTABLE BUILD)" >&5
$as_echo "no (NON DISTRIBUTABLE BUILD)" >&6; }
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: all program features using the JPEG library are disabled" >&5
$as_echo "$as_me: WARNING: all program features using the JPEG library are disabled" >&2;}

$as_echo "#define LIBJPEG_MISSING /**/" >>confdefs.h

else
  if test x"$with_libjpeg" = x"no"; then
    as_fn_error $? "disabling support for JPEG requires NON_REDISTRIBUTABLE_BUILD=yes" "$LINENO" 5
  fi
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

  ax_check_libjpeg_save_cppflags="$CPPFLAGS"
  ax_check_libjpeg_save_ldflags="$LDFLAGS"
  if test x"$with_libjpeg" != x""; then
    CPPFLAGS="-I$with_libjpeg/../include $CPPFLAGS"
    LDFLAGS="-L$with_libjpeg $LDFLAGS"
  fi

  # required numeric version (e.g. 6b -> 62)
  ax_check_libjpeg_version_num=`echo $required_libjpeg_version | tr [a-i] [1-9]`

  # check the library
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing jpeg_std_error" >&5
$as_echo_n "checking for library containing jpeg_std_error... " >&6; }
if ${ac_cv_search_jpeg_std_error+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char jpeg_std_error ();
int
main ()
{
return jpeg_std_error ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' jpeg; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib
   $ac_func_search_save_LIBS"
  fi
  if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_search_jpeg_std_error=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_jpeg_std_error+:} false; then :
  break
fi
done
if ${ac_cv_search_jpeg_std_error+:} false; then :

else
  ac_cv_search_jpeg_std_error=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_jpeg_std_error" >&5
$as_echo "$ac_cv_search_jpeg_std_error" >&6; }
ac_res=$ac_cv_search_jpeg_std_error
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

      # check include file
      ac_fn_cxx_check_header_mongrel "$LINENO" "jpeglib.h" "ac_cv_header_jpeglib_h" "$ac_includes_default"
if test "x$ac_cv_header_jpeglib_h" = xyes; then :

          # check library version, update LIBS
	  if test x"$required_libjpeg_version" != x"$ax_check_libjpeg_version_num"; then
            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libjpeg version >= $required_libjpeg_version ($ax_check_libjpeg_version_num)" >&5
$as_echo_n "checking for libjpeg version >= $required_libjpeg_version ($ax_check_libjpeg_version_num)... " >&6; }
          else
            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libjpeg version >= $required_libjpeg_version" >&5
$as_echo_n "checking for libjpeg version >= $required_libjpeg_version... " >&6; }
          fi
          if test "$cross_compiling" = yes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: cross-compiling, forced" >&5
$as_echo "cross-compiling, forced" >&6; }

else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

              #include <stdio.h>
#include "jpeglib.h"
int main (void)
{
  fprintf (stderr, "%d\n", JPEG_LIB_VERSION);
  return 0;
}


_ACEOF
if ac_fn_cxx_try_run "$LINENO"; then :

              ax_check_libjpeg_version=`eval $ac_try 2>&1`



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_libjpeg_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "$ax_check_libjpeg_version_num" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    ax_check_libjpeg="ok"
    else ax_check_libjpeg="bad"
  fi

              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libjpeg_version, $ax_check_libjpeg" >&5
$as_echo "$ax_check_libjpeg_version, $ax_check_libjpeg" >&6; }

else

              ax_check_libjpeg="unknown"
              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libjpeg" >&5
$as_echo "$ax_check_libjpeg" >&6; }

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
  # AC_RUN_IFELSE

else
  ax_check_libjpeg="no headers"

fi

  # AC_CHECK_HEADER

else
  ax_check_libjpeg="not found"
fi
  # AC_SEARCH_LIBS

  if test x"$ax_check_libjpeg" != x"ok"; then
    CPPFLAGS="$ax_check_libjpeg_save_cppflags"
    LDFLAGS="$ax_check_libjpeg_save_ldflags"
  fi

  if test x"$ax_check_libjpeg" != x"ok"; then
    as_fn_error $? "cannot find a suitable JPEG library" "$LINENO" 5
  else
    # create jversion.h in builddir
    test -d "./source" || mkdir ./source
    echo "#define JVERSION \"${ax_check_libjpeg_version}\"" > ./source/jversion.h
    pov_libjpeg=ok
  fi
fi

# libtiff; required library for distributable builds
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use the TIFF library" >&5
$as_echo_n "checking whether to use the TIFF library... " >&6; }
if test x"$pov_no_distrib" = x"yes" && test x"$with_libtiff" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (NON DISTRIBUTABLE BUILD)" >&5
$as_echo "no (NON DISTRIBUTABLE BUILD)" >&6; }
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: all program features using the TIFF library are disabled" >&5
$as_echo "$as_me: WARNING: all program features using the TIFF library are disabled" >&2;}

$as_echo "#define LIBTIFF_MISSING /**/" >>confdefs.h

else
  if test x"$with_libtiff" = x"no"; then
    as_fn_error $? "disabling support for TIFF requires NON_REDISTRIBUTABLE_BUILD=yes" "$LINENO" 5
  fi
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

  ax_check_libtiff_save_cppflags="$CPPFLAGS"
  ax_check_libtiff_save_ldflags="$LDFLAGS"
  if test x"$with_libtiff" != x""; then
    CPPFLAGS="-I$with_libtiff/../include $CPPFLAGS"
    LDFLAGS="-L$with_libtiff $LDFLAGS"
  fi

  # check the library
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing TIFFGetVersion" >&5
$as_echo_n "checking for library containing TIFFGetVersion... " >&6; }
if ${ac_cv_search_TIFFGetVersion+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char TIFFGetVersion ();
int
main ()
{
return TIFFGetVersion ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' tiff; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib
   $ac_func_search_save_LIBS"
  fi
  if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_search_TIFFGetVersion=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_TIFFGetVersion+:} false; then :
  break
fi
done
if ${ac_cv_search_TIFFGetVersion+:} false; then :

else
  ac_cv_search_TIFFGetVersion=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_TIFFGetVersion" >&5
$as_echo "$ac_cv_search_TIFFGetVersion" >&6; }
ac_res=$ac_cv_search_TIFFGetVersion
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

      # check include file
      ac_fn_cxx_check_header_mongrel "$LINENO" "tiffio.h" "ac_cv_header_tiffio_h" "$ac_includes_default"
if test "x$ac_cv_header_tiffio_h" = xyes; then :

          # check library version, update LIBS
          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libtiff version >= $required_libtiff_version" >&5
$as_echo_n "checking for libtiff version >= $required_libtiff_version... " >&6; }
          if test "$cross_compiling" = yes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: cross-compiling, forced" >&5
$as_echo "cross-compiling, forced" >&6; }

else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

              #include <stdio.h>
#include <string.h>
#include "tiffio.h"
int main (void)
{
  char version[81];
  char *p, *c;
  sprintf (version, "%.79s", TIFFGetVersion ());
  p = strstr (version, "Version ") + strlen ("Version ");
  if (! p)
    return 1;
  c = strchr (p, '\n');
  if (! c)
    return 1;
  *c = '\0';
  fprintf (stderr, "%s\n", p);
  return 0;
}


_ACEOF
if ac_fn_cxx_try_run "$LINENO"; then :

              ax_check_libtiff_version=`eval $ac_try 2>&1`



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_libtiff_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "$required_libtiff_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    ax_check_libtiff="ok"
    else ax_check_libtiff="bad"
  fi

              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libtiff_version, $ax_check_libtiff" >&5
$as_echo "$ax_check_libtiff_version, $ax_check_libtiff" >&6; }

else

              ax_check_libtiff="unknown"
              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libtiff" >&5
$as_echo "$ax_check_libtiff" >&6; }

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
  # AC_RUN_IFELSE

else
  ax_check_libtiff="no headers"

fi

  # AC_CHECK_HEADER

else
  ax_check_libtiff="not found"
fi
  # AC_SEARCH_LIBS

  if test x"$ax_check_libtiff" != x"ok"; then
    CPPFLAGS="$ax_check_libtiff_save_cppflags"
    LDFLAGS="$ax_check_libtiff_save_ldflags"
  fi

  if test x"$ax_check_libtiff" != x"ok"; then
    as_fn_error $? "cannot find a suitable TIFF library" "$LINENO" 5
  else
    pov_libtiff=ok
  fi
fi

# OpenEXR; optional library
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use the OpenEXR library" >&5
$as_echo_n "checking whether to use the OpenEXR library... " >&6; }
if test x"$with_openexr" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

  for ac_prog in pkg-config
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_PKGCONFIG+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$PKGCONFIG"; then
  ac_cv_prog_PKGCONFIG="$PKGCONFIG" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_PKGCONFIG="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
PKGCONFIG=$ac_cv_prog_PKGCONFIG
if test -n "$PKGCONFIG"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKGCONFIG" >&5
$as_echo "$PKGCONFIG" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$PKGCONFIG" && break
done


  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenEXR's pkg-config" >&5
$as_echo_n "checking for OpenEXR's pkg-config... " >&6; }
  ax_check_openexr=`pkg-config --print-errors OpenEXR 2>&1`
  if test x"$ax_check_openexr" != x""; then
    ax_check_openexr="not found"
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_openexr" >&5
$as_echo "$ax_check_openexr" >&6; }
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenEXR version >= $required_openexr_version" >&5
$as_echo_n "checking for OpenEXR version >= $required_openexr_version... " >&6; }
    ax_check_openexr_version=`pkg-config --modversion OpenEXR 2>&1 | tail -1 | grep -v "No package"`
    if test x"$ax_check_openexr_version" != x""; then



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_openexr_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "$required_openexr_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    ax_check_openexr="ok"
    else ax_check_openexr="bad"
  fi

      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_openexr_version, $ax_check_openexr" >&5
$as_echo "$ax_check_openexr_version, $ax_check_openexr" >&6; }
    else
      ax_check_openexr="unknown"
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_openexr" >&5
$as_echo "$ax_check_openexr" >&6; }
    fi

    if test x"$ax_check_openexr" = x"ok"; then
      ax_check_openexr_cflags=`pkg-config --cflags OpenEXR 2> /dev/null`
      ax_check_openexr_libs=`pkg-config --libs OpenEXR 2> /dev/null`
      ax_check_openexr_save_cppflags="$CPPFLAGS"
      ax_check_openexr_save_libs="$LIBS"
      CPPFLAGS="$ax_check_openexr_cflags $CPPFLAGS"

      # FIXME: workaround for versions >= 1.4.0



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_openexr_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "1.4" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    LIBS="$ax_check_openexr_libs -lIlmThread $LIBS"
    else LIBS="$ax_check_openexr_libs $LIBS"

  fi


      # check include file
      ac_fn_cxx_check_header_mongrel "$LINENO" "OpenEXR/ImfCRgbaFile.h" "ac_cv_header_OpenEXR_ImfCRgbaFile_h" "$ac_includes_default"
if test "x$ac_cv_header_OpenEXR_ImfCRgbaFile_h" = xyes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ImfInputReadPixels in -lIlmImf" >&5
$as_echo_n "checking for ImfInputReadPixels in -lIlmImf... " >&6; }
if ${ac_cv_lib_IlmImf_ImfInputReadPixels+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lIlmImf  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char ImfInputReadPixels ();
int
main ()
{
return ImfInputReadPixels ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_IlmImf_ImfInputReadPixels=yes
else
  ac_cv_lib_IlmImf_ImfInputReadPixels=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_IlmImf_ImfInputReadPixels" >&5
$as_echo "$ac_cv_lib_IlmImf_ImfInputReadPixels" >&6; }
if test "x$ac_cv_lib_IlmImf_ImfInputReadPixels" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBILMIMF 1
_ACEOF

  LIBS="-lIlmImf $LIBS"

else
  ax_check_openexr="not found"
fi

else
  ax_check_openexr="no headers"

fi


    fi

    if test x"$ax_check_openexr" != x"ok"; then
      CPPFLAGS="$ax_check_openexr_save_cppflags"
      LIBS="$ax_check_openexr_save_libs"
    fi
  fi

  if test x"$ax_check_openexr" = x"ok"; then
    pov_libopenexr=ok
  fi
fi
if test x"$pov_libopenexr" != x"ok"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: all program features using the OpenEXR library are disabled" >&5
$as_echo "$as_me: WARNING: all program features using the OpenEXR library are disabled" >&2;}

$as_echo "#define OPENEXR_MISSING /**/" >>confdefs.h

fi

# Unix-specific display libraries.
if test x"$with_cygwin_dll" = x"no"; then

  # disable preview displays under Cygwin/MinGW
  { $as_echo "$as_me:${as_lineno-$LINENO}: X Window display will be disabled" >&5
$as_echo "$as_me: X Window display will be disabled" >&6;}
  { $as_echo "$as_me:${as_lineno-$LINENO}: SVGAlib display will be disabled" >&5
$as_echo "$as_me: SVGAlib display will be disabled" >&6;}

$as_echo "#define X_DISPLAY_MISSING /**/" >>confdefs.h

  pov_xwin_msg="disabled"

else

  # libX11
  # first add default paths to help finding X11
  test x"$x_includes"  = x"NONE" && x_includes="/usr/include"
  test x"$x_libraries" = x"NONE" && x_libraries="/usr/lib"

  pov_xwin_msg="disabled"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for X" >&5
$as_echo_n "checking for X... " >&6; }


# Check whether --with-x was given.
if test "${with_x+set}" = set; then :
  withval=$with_x;
fi

# $have_x is `yes', `no', `disabled', or empty when we do not yet know.
if test "x$with_x" = xno; then
  # The user explicitly disabled X.
  have_x=disabled
else
  case $x_includes,$x_libraries in #(
    *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5;; #(
    *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then :
  $as_echo_n "(cached) " >&6
else
  # One or both of the vars are not set, and there is no cached value.
ac_x_includes=no ac_x_libraries=no
rm -f -r conftest.dir
if mkdir conftest.dir; then
  cd conftest.dir
  cat >Imakefile <<'_ACEOF'
incroot:
	@echo incroot='${INCROOT}'
usrlibdir:
	@echo usrlibdir='${USRLIBDIR}'
libdir:
	@echo libdir='${LIBDIR}'
_ACEOF
  if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then
    # GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
    for ac_var in incroot usrlibdir libdir; do
      eval "ac_im_$ac_var=\`\${MAKE-make} $ac_var 2>/dev/null | sed -n 's/^$ac_var=//p'\`"
    done
    # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
    for ac_extension in a so sl dylib la dll; do
      if test ! -f "$ac_im_usrlibdir/libX11.$ac_extension" &&
	 test -f "$ac_im_libdir/libX11.$ac_extension"; then
	ac_im_usrlibdir=$ac_im_libdir; break
      fi
    done
    # Screen out bogus values from the imake configuration.  They are
    # bogus both because they are the default anyway, and because
    # using them would break gcc on systems where it needs fixed includes.
    case $ac_im_incroot in
	/usr/include) ac_x_includes= ;;
	*) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes=$ac_im_incroot;;
    esac
    case $ac_im_usrlibdir in
	/usr/lib | /usr/lib64 | /lib | /lib64) ;;
	*) test -d "$ac_im_usrlibdir" && ac_x_libraries=$ac_im_usrlibdir ;;
    esac
  fi
  cd ..
  rm -f -r conftest.dir
fi

# Standard set of common directories for X headers.
# Check X11 before X11Rn because it is often a symlink to the current release.
ac_x_header_dirs='
/usr/X11/include
/usr/X11R7/include
/usr/X11R6/include
/usr/X11R5/include
/usr/X11R4/include

/usr/include/X11
/usr/include/X11R7
/usr/include/X11R6
/usr/include/X11R5
/usr/include/X11R4

/usr/local/X11/include
/usr/local/X11R7/include
/usr/local/X11R6/include
/usr/local/X11R5/include
/usr/local/X11R4/include

/usr/local/include/X11
/usr/local/include/X11R7
/usr/local/include/X11R6
/usr/local/include/X11R5
/usr/local/include/X11R4

/usr/X386/include
/usr/x386/include
/usr/XFree86/include/X11

/usr/include
/usr/local/include
/usr/unsupported/include
/usr/athena/include
/usr/local/x11r5/include
/usr/lpp/Xamples/include

/usr/openwin/include
/usr/openwin/share/include'

if test "$ac_x_includes" = no; then
  # Guess where to find include files, by looking for Xlib.h.
  # First, try using that file with no special directory specified.
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <X11/Xlib.h>
_ACEOF
if ac_fn_cxx_try_cpp "$LINENO"; then :
  # We can compile using X headers with no special include directory.
ac_x_includes=
else
  for ac_dir in $ac_x_header_dirs; do
  if test -r "$ac_dir/X11/Xlib.h"; then
    ac_x_includes=$ac_dir
    break
  fi
done
fi
rm -f conftest.err conftest.i conftest.$ac_ext
fi # $ac_x_includes = no

if test "$ac_x_libraries" = no; then
  # Check for the libraries.
  # See if we find them without any special options.
  # Don't add to $LIBS permanently.
  ac_save_LIBS=$LIBS
  LIBS="-lX11 $LIBS"
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <X11/Xlib.h>
int
main ()
{
XrmInitialize ()
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  LIBS=$ac_save_LIBS
# We can link X programs with no special library path.
ac_x_libraries=
else
  LIBS=$ac_save_LIBS
for ac_dir in `$as_echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
do
  # Don't even attempt the hair of trying to link an X program!
  for ac_extension in a so sl dylib la dll; do
    if test -r "$ac_dir/libX11.$ac_extension"; then
      ac_x_libraries=$ac_dir
      break 2
    fi
  done
done
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi # $ac_x_libraries = no

case $ac_x_includes,$ac_x_libraries in #(
  no,* | *,no | *\'*)
    # Didn't find X, or a directory has "'" in its name.
    ac_cv_have_x="have_x=no";; #(
  *)
    # Record where we found X for the cache.
    ac_cv_have_x="have_x=yes\
	ac_x_includes='$ac_x_includes'\
	ac_x_libraries='$ac_x_libraries'"
esac
fi
;; #(
    *) have_x=yes;;
  esac
  eval "$ac_cv_have_x"
fi # $with_x != no

if test "$have_x" != yes; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5
$as_echo "$have_x" >&6; }
  no_x=yes
else
  # If each of the values was on the command line, it overrides each guess.
  test "x$x_includes" = xNONE && x_includes=$ac_x_includes
  test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries
  # Update the cache value to reflect the command line values.
  ac_cv_have_x="have_x=yes\
	ac_x_includes='$x_includes'\
	ac_x_libraries='$x_libraries'"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5
$as_echo "libraries $x_libraries, headers $x_includes" >&6; }
fi

if test "$no_x" = yes; then
  # Not all programs may use this symbol, but it does not hurt to define it.

$as_echo "#define X_DISPLAY_MISSING 1" >>confdefs.h

  X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
else
  if test -n "$x_includes"; then
    X_CFLAGS="$X_CFLAGS -I$x_includes"
  fi

  # It would also be nice to do this for all -L options, not just this one.
  if test -n "$x_libraries"; then
    X_LIBS="$X_LIBS -L$x_libraries"
    # For Solaris; some versions of Sun CC require a space after -R and
    # others require no space.  Words are not sufficient . . . .
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -R must be followed by a space" >&5
$as_echo_n "checking whether -R must be followed by a space... " >&6; }
    ac_xsave_LIBS=$LIBS; LIBS="$LIBS -R$x_libraries"
    ac_xsave_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
       X_LIBS="$X_LIBS -R$x_libraries"
else
  LIBS="$ac_xsave_LIBS -R $x_libraries"
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
	  X_LIBS="$X_LIBS -R $x_libraries"
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: neither works" >&5
$as_echo "neither works" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
    ac_cxx_werror_flag=$ac_xsave_cxx_werror_flag
    LIBS=$ac_xsave_LIBS
  fi

  # Check for system-dependent libraries X programs must link with.
  # Do this before checking for the system-independent R6 libraries
  # (-lICE), since we may need -lsocket or whatever for X linking.

  if test "$ISC" = yes; then
    X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
  else
    # Martyn Johnson says this is needed for Ultrix, if the X
    # libraries were built with DECnet support.  And Karl Berry says
    # the Alpha needs dnet_stub (dnet does not exist).
    ac_xsave_LIBS="$LIBS"; LIBS="$LIBS $X_LIBS -lX11"
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char XOpenDisplay ();
int
main ()
{
return XOpenDisplay ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :

else
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet" >&5
$as_echo_n "checking for dnet_ntoa in -ldnet... " >&6; }
if ${ac_cv_lib_dnet_dnet_ntoa+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-ldnet  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char dnet_ntoa ();
int
main ()
{
return dnet_ntoa ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_dnet_dnet_ntoa=yes
else
  ac_cv_lib_dnet_dnet_ntoa=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
$as_echo "$ac_cv_lib_dnet_dnet_ntoa" >&6; }
if test "x$ac_cv_lib_dnet_dnet_ntoa" = xyes; then :
  X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
fi

    if test $ac_cv_lib_dnet_dnet_ntoa = no; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet_stub" >&5
$as_echo_n "checking for dnet_ntoa in -ldnet_stub... " >&6; }
if ${ac_cv_lib_dnet_stub_dnet_ntoa+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-ldnet_stub  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char dnet_ntoa ();
int
main ()
{
return dnet_ntoa ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_dnet_stub_dnet_ntoa=yes
else
  ac_cv_lib_dnet_stub_dnet_ntoa=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
$as_echo "$ac_cv_lib_dnet_stub_dnet_ntoa" >&6; }
if test "x$ac_cv_lib_dnet_stub_dnet_ntoa" = xyes; then :
  X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
fi

    fi
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
    LIBS="$ac_xsave_LIBS"

    # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
    # to get the SysV transport functions.
    # Chad R. Larson says the Pyramis MIS-ES running DC/OSx (SVR4)
    # needs -lnsl.
    # The nsl library prevents programs from opening the X display
    # on Irix 5.2, according to T.E. Dickey.
    # The functions gethostbyname, getservbyname, and inet_addr are
    # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
    ac_fn_cxx_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
if test "x$ac_cv_func_gethostbyname" = xyes; then :

fi

    if test $ac_cv_func_gethostbyname = no; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
$as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
if ${ac_cv_lib_nsl_gethostbyname+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lnsl  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char gethostbyname ();
int
main ()
{
return gethostbyname ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_nsl_gethostbyname=yes
else
  ac_cv_lib_nsl_gethostbyname=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
$as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
fi

      if test $ac_cv_lib_nsl_gethostbyname = no; then
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lbsd" >&5
$as_echo_n "checking for gethostbyname in -lbsd... " >&6; }
if ${ac_cv_lib_bsd_gethostbyname+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lbsd  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char gethostbyname ();
int
main ()
{
return gethostbyname ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_bsd_gethostbyname=yes
else
  ac_cv_lib_bsd_gethostbyname=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_gethostbyname" >&5
$as_echo "$ac_cv_lib_bsd_gethostbyname" >&6; }
if test "x$ac_cv_lib_bsd_gethostbyname" = xyes; then :
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd"
fi

      fi
    fi

    # lieder@skyler.mavd.honeywell.com says without -lsocket,
    # socket/setsockopt and other routines are undefined under SCO ODT
    # 2.0.  But -lsocket is broken on IRIX 5.2 (and is not necessary
    # on later versions), says Simon Leinen: it contains gethostby*
    # variants that don't use the name server (or something).  -lsocket
    # must be given before -lnsl if both are needed.  We assume that
    # if connect needs -lnsl, so does gethostbyname.
    ac_fn_cxx_check_func "$LINENO" "connect" "ac_cv_func_connect"
if test "x$ac_cv_func_connect" = xyes; then :

fi

    if test $ac_cv_func_connect = no; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for connect in -lsocket" >&5
$as_echo_n "checking for connect in -lsocket... " >&6; }
if ${ac_cv_lib_socket_connect+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char connect ();
int
main ()
{
return connect ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_socket_connect=yes
else
  ac_cv_lib_socket_connect=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_connect" >&5
$as_echo "$ac_cv_lib_socket_connect" >&6; }
if test "x$ac_cv_lib_socket_connect" = xyes; then :
  X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
fi

    fi

    # Guillermo Gomez says -lposix is necessary on A/UX.
    ac_fn_cxx_check_func "$LINENO" "remove" "ac_cv_func_remove"
if test "x$ac_cv_func_remove" = xyes; then :

fi

    if test $ac_cv_func_remove = no; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for remove in -lposix" >&5
$as_echo_n "checking for remove in -lposix... " >&6; }
if ${ac_cv_lib_posix_remove+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lposix  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char remove ();
int
main ()
{
return remove ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_posix_remove=yes
else
  ac_cv_lib_posix_remove=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix_remove" >&5
$as_echo "$ac_cv_lib_posix_remove" >&6; }
if test "x$ac_cv_lib_posix_remove" = xyes; then :
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
fi

    fi

    # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
    ac_fn_cxx_check_func "$LINENO" "shmat" "ac_cv_func_shmat"
if test "x$ac_cv_func_shmat" = xyes; then :

fi

    if test $ac_cv_func_shmat = no; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shmat in -lipc" >&5
$as_echo_n "checking for shmat in -lipc... " >&6; }
if ${ac_cv_lib_ipc_shmat+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lipc  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char shmat ();
int
main ()
{
return shmat ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_ipc_shmat=yes
else
  ac_cv_lib_ipc_shmat=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ipc_shmat" >&5
$as_echo "$ac_cv_lib_ipc_shmat" >&6; }
if test "x$ac_cv_lib_ipc_shmat" = xyes; then :
  X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
fi

    fi
  fi

  # Check for libraries that X11R6 Xt/Xaw programs need.
  ac_save_LDFLAGS=$LDFLAGS
  test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries"
  # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to
  # check for ICE first), but we must link in the order -lSM -lICE or
  # we get undefined symbols.  So assume we have SM if we have ICE.
  # These have to be linked with before -lX11, unlike the other
  # libraries we check for below, so use a different variable.
  # John Interrante, Karl Berry
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for IceConnectionNumber in -lICE" >&5
$as_echo_n "checking for IceConnectionNumber in -lICE... " >&6; }
if ${ac_cv_lib_ICE_IceConnectionNumber+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lICE $X_EXTRA_LIBS $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char IceConnectionNumber ();
int
main ()
{
return IceConnectionNumber ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_ICE_IceConnectionNumber=yes
else
  ac_cv_lib_ICE_IceConnectionNumber=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
$as_echo "$ac_cv_lib_ICE_IceConnectionNumber" >&6; }
if test "x$ac_cv_lib_ICE_IceConnectionNumber" = xyes; then :
  X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
fi

  LDFLAGS=$ac_save_LDFLAGS

fi

  if test x"$have_x" = x"yes"; then
    ac_fn_cxx_check_header_mongrel "$LINENO" "X11/Xlib.h" "ac_cv_header_X11_Xlib_h" "$ac_includes_default"
if test "x$ac_cv_header_X11_Xlib_h" = xyes; then :

        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XFlush in -lX11" >&5
$as_echo_n "checking for XFlush in -lX11... " >&6; }
if ${ac_cv_lib_X11_XFlush+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lX11 $X_PRE_LIBS $X_EXTRA_LIBS $PTHREAD_LIBS
         $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char XFlush ();
int
main ()
{
return XFlush ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_X11_XFlush=yes
else
  ac_cv_lib_X11_XFlush=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_X11_XFlush" >&5
$as_echo "$ac_cv_lib_X11_XFlush" >&6; }
if test "x$ac_cv_lib_X11_XFlush" = xyes; then :

            # X_CFLAGS should actually be X_CPPFLAGS since it only adds -Idir
            CPPFLAGS="$CPPFLAGS $X_CFLAGS"  # append
            LDFLAGS="$LDFLAGS $X_LIBS"      # append
            LIBS="$X_PRE_LIBS -lX11 $X_EXTRA_LIBS $LIBS"  # $PTHREAD_LIBS is already in $LIBS
            pov_xwin_msg="enabled"

else

            { $as_echo "$as_me:${as_lineno-$LINENO}: X Window display will be disabled" >&5
$as_echo "$as_me: X Window display will be disabled" >&6;}
            $as_echo "#define X_DISPLAY_MISSING 1" >>confdefs.h


fi



fi


  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: X Window display will be disabled" >&5
$as_echo "$as_me: X Window display will be disabled" >&6;}
  fi

  # color icon (libXpm) and X Window cursor
  if test x"$pov_xwin_msg" = x"enabled"; then
    ac_fn_cxx_check_header_mongrel "$LINENO" "X11/xpm.h" "ac_cv_header_X11_xpm_h" "$ac_includes_default"
if test "x$ac_cv_header_X11_xpm_h" = xyes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XpmCreatePixmapFromData in -lXpm" >&5
$as_echo_n "checking for XpmCreatePixmapFromData in -lXpm... " >&6; }
if ${ac_cv_lib_Xpm_XpmCreatePixmapFromData+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lXpm  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char XpmCreatePixmapFromData ();
int
main ()
{
return XpmCreatePixmapFromData ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_Xpm_XpmCreatePixmapFromData=yes
else
  ac_cv_lib_Xpm_XpmCreatePixmapFromData=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xpm_XpmCreatePixmapFromData" >&5
$as_echo "$ac_cv_lib_Xpm_XpmCreatePixmapFromData" >&6; }
if test "x$ac_cv_lib_Xpm_XpmCreatePixmapFromData" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBXPM 1
_ACEOF

  LIBS="-lXpm $LIBS"

fi

fi


    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable the watch cursor" >&5
$as_echo_n "checking whether to enable the watch cursor... " >&6; }
    if test x"$enable_watch_cursor" = x"yes"; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
      ac_fn_cxx_check_header_mongrel "$LINENO" "X11/cursorfont.h" "ac_cv_header_X11_cursorfont_h" "$ac_includes_default"
if test "x$ac_cv_header_X11_cursorfont_h" = xyes; then :

          ac_fn_cxx_check_func "$LINENO" "XCreateFontCursor" "ac_cv_func_XCreateFontCursor"
if test "x$ac_cv_func_XCreateFontCursor" = xyes; then :

$as_echo "#define USE_CURSOR /**/" >>confdefs.h

else
  { $as_echo "$as_me:${as_lineno-$LINENO}: watch cursor will be disabled" >&5
$as_echo "$as_me: watch cursor will be disabled" >&6;}

fi



fi


    else
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
    fi
  fi

  ### Note from Warp <warp@tag.povray.org> :
  # Using "-static" for static linking in Solaris causes a linkage error.
  # For some reason the X libraries in Solaris are not designed for static
  # linking. [...] So at least for Solaris the '-static' flag should
  # definitely be turned off by default.
  if test x"$ax_cv_prog_ld_static" != x"" && test x"$ac_cv_lib_X11_XFlush" = x"yes"; then
    case "$build" in
      sparc-*)
        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Using $ax_cv_prog_ld_static might cause a linkage error" >&5
$as_echo "$as_me: WARNING: Using $ax_cv_prog_ld_static might cause a linkage error" >&2;}
      ;;
    esac
  fi

  # libSDL
  if test x"$pov_xwin_msg" = x"enabled"; then

  for ac_prog in sdl-config
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_SDLCONFIG+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$SDLCONFIG"; then
  ac_cv_prog_SDLCONFIG="$SDLCONFIG" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
    ac_cv_prog_SDLCONFIG="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
SDLCONFIG=$ac_cv_prog_SDLCONFIG
if test -n "$SDLCONFIG"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SDLCONFIG" >&5
$as_echo "$SDLCONFIG" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$SDLCONFIG" && break
done


  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libSDL" >&5
$as_echo_n "checking for libSDL... " >&6; }
  ax_check_libsdl=`sdl-config 2>&1 | grep -v Usage`
  if test x"$ax_check_libsdl" != x""; then
    ax_check_libsdl="not found"
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libsdl" >&5
$as_echo "$ax_check_libsdl" >&6; }
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libSDL version >= $required_libsdl_version" >&5
$as_echo_n "checking for libSDL version >= $required_libsdl_version... " >&6; }
    ax_check_libsdl_version=`sdl-config --version 2> /dev/null`
    if test x"$ax_check_libsdl_version" != x""; then



  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.

  ax_compare_version_A=`echo "$ax_check_libsdl_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


  ax_compare_version_B=`echo "$required_libsdl_version" | sed -e 's/\([0-9]*\)/Z\1Z/g' \
                     -e 's/Z\([0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/Z\([0-9][0-9][0-9]\)Z/Z0\1Z/g' \
                     -e 's/[^0-9]//g'`


    ax_compare_version=`echo "x$ax_compare_version_A
x$ax_compare_version_B" | sed 's/^ *//' | sort -r | sed "s/x${ax_compare_version_A}/true/;s/x${ax_compare_version_B}/false/;1q"`



    if test "$ax_compare_version" = "true" ; then
    ax_check_libsdl="ok"
    else ax_check_libsdl="bad"
  fi

      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libsdl_version, $ax_check_libsdl" >&5
$as_echo "$ax_check_libsdl_version, $ax_check_libsdl" >&6; }
    else
      ax_check_libsdl="unknown"
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_libsdl" >&5
$as_echo "$ax_check_libsdl" >&6; }
    fi

    if test x"$ax_check_libsdl" = x"ok"; then
      ax_check_libsdl_cflags=`sdl-config --cflags 2> /dev/null`
      ax_check_libsdl_libs=`sdl-config --libs 2> /dev/null`
      ax_check_libsdl_save_cppflags="$CPPFLAGS"
      ax_check_libsdl_save_libs="$LIBS"
      CPPFLAGS="$ax_check_libsdl_cflags $CPPFLAGS"
      LIBS="$ax_check_libsdl_libs $LIBS"

      # check include file
      ac_fn_cxx_check_header_mongrel "$LINENO" "SDL/SDL.h" "ac_cv_header_SDL_SDL_h" "$ac_includes_default"
if test "x$ac_cv_header_SDL_SDL_h" = xyes; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SDL_Quit in -lSDL" >&5
$as_echo_n "checking for SDL_Quit in -lSDL... " >&6; }
if ${ac_cv_lib_SDL_SDL_Quit+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lSDL  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char SDL_Quit ();
int
main ()
{
return SDL_Quit ();
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
  ac_cv_lib_SDL_SDL_Quit=yes
else
  ac_cv_lib_SDL_SDL_Quit=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL_SDL_Quit" >&5
$as_echo "$ac_cv_lib_SDL_SDL_Quit" >&6; }
if test "x$ac_cv_lib_SDL_SDL_Quit" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBSDL 1
_ACEOF

  LIBS="-lSDL $LIBS"

else
  ax_check_libsdl="not found"
fi

else
  ax_check_libsdl="no headers"

fi


    fi

    if test x"$ax_check_libsdl" != x"ok"; then
      CPPFLAGS="$ax_check_libsdl_save_cppflags"
      LIBS="$ax_check_libsdl_save_libs"
    fi
  fi

    if test x"$ax_check_libsdl" = x"ok"; then
      pov_libsdl=ok
      pov_xwin_msg="$pov_xwin_msg (using SDL)"
    else
      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: the preview display is disabled" >&5
$as_echo "$as_me: WARNING: the preview display is disabled" >&2;}
      pov_xwin_msg="disabled"  # FIXME
    fi
  fi

fi  # with_cygwin_dll


###############################################################################

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
Language constructs and functions
---------------------------------" >&5
$as_echo "
Language constructs and functions
---------------------------------" >&6; }

# Compiling on the mingw32 platform (e.g. using MSYS) also requires
# the -D__CYGWIN flag for tiff_pov.cpp
case "$build" in
  *mingw32*)  CPPFLAGS="$CPPFLAGS -D__CYGWIN";;
esac


# Language constructs.

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
$as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
if ${ac_cv_header_time+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>

int
main ()
{
if ((struct tm *) 0)
return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_cv_header_time=yes
else
  ac_cv_header_time=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5
$as_echo "$ac_cv_header_time" >&6; }
if test $ac_cv_header_time = yes; then

$as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h

fi

for ac_header in time.h limits.h sys/resource.h sys/time.h unistd.h
do :
  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF

fi

done


ac_fn_cxx_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
if test "x$ac_cv_type_size_t" = xyes; then :

else

cat >>confdefs.h <<_ACEOF
#define size_t unsigned int
_ACEOF

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
$as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
if ${ac_cv_struct_tm+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <sys/types.h>
#include <time.h>

int
main ()
{
struct tm tm;
				     int *p = &tm.tm_sec;
				     return !p;
  ;
  return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
  ac_cv_struct_tm=time.h
else
  ac_cv_struct_tm=sys/time.h
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_tm" >&5
$as_echo "$ac_cv_struct_tm" >&6; }
if test $ac_cv_struct_tm = sys/time.h; then

$as_echo "#define TM_IN_SYS_TIME 1" >>confdefs.h

fi


# The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
$as_echo_n "checking size of int... " >&6; }
if ${ac_cv_sizeof_int+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :

else
  if test "$ac_cv_type_int" = yes; then
     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error 77 "cannot compute sizeof (int)
See \`config.log' for more details" "$LINENO" 5; }
   else
     ac_cv_sizeof_int=0
   fi
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5
$as_echo "$ac_cv_sizeof_int" >&6; }



cat >>confdefs.h <<_ACEOF
#define SIZEOF_INT $ac_cv_sizeof_int
_ACEOF


# The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long int" >&5
$as_echo_n "checking size of long int... " >&6; }
if ${ac_cv_sizeof_long_int+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (long int))" "ac_cv_sizeof_long_int"        "$ac_includes_default"; then :

else
  if test "$ac_cv_type_long_int" = yes; then
     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error 77 "cannot compute sizeof (long int)
See \`config.log' for more details" "$LINENO" 5; }
   else
     ac_cv_sizeof_long_int=0
   fi
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_int" >&5
$as_echo "$ac_cv_sizeof_long_int" >&6; }



cat >>confdefs.h <<_ACEOF
#define SIZEOF_LONG_INT $ac_cv_sizeof_long_int
_ACEOF

	# check for 64 bit support
# The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
$as_echo_n "checking size of size_t... " >&6; }
if ${ac_cv_sizeof_size_t+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"; then :

else
  if test "$ac_cv_type_size_t" = yes; then
     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error 77 "cannot compute sizeof (size_t)
See \`config.log' for more details" "$LINENO" 5; }
   else
     ac_cv_sizeof_size_t=0
   fi
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_size_t" >&5
$as_echo "$ac_cv_sizeof_size_t" >&6; }



cat >>confdefs.h <<_ACEOF
#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t
_ACEOF

	# check for 64 bit support
# The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of float" >&5
$as_echo_n "checking size of float... " >&6; }
if ${ac_cv_sizeof_float+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (float))" "ac_cv_sizeof_float"        "$ac_includes_default"; then :

else
  if test "$ac_cv_type_float" = yes; then
     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error 77 "cannot compute sizeof (float)
See \`config.log' for more details" "$LINENO" 5; }
   else
     ac_cv_sizeof_float=0
   fi
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_float" >&5
$as_echo "$ac_cv_sizeof_float" >&6; }



cat >>confdefs.h <<_ACEOF
#define SIZEOF_FLOAT $ac_cv_sizeof_float
_ACEOF




# Checks for functions.

# the test for memcmp does not work well with C++
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working memcmp" >&5
$as_echo_n "checking for working memcmp... " >&6; }
if ${ac_cv_func_memcmp_working+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test "$cross_compiling" = yes; then :
  ac_cv_func_memcmp_working=no
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$ac_includes_default
int
main ()
{

  /* Some versions of memcmp are not 8-bit clean.  */
  char c0 = '\100', c1 = '\200', c2 = '\201';
  if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
    return 1;

  /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
     or more and with at least one buffer not starting on a 4-byte boundary.
     William Lewis provided this test program.   */
  {
    char foo[21];
    char bar[21];
    int i;
    for (i = 0; i < 4; i++)
      {
	char *a = foo + i;
	char *b = bar + i;
	strcpy (a, "--------01111111");
	strcpy (b, "--------10000000");
	if (memcmp (a, b, 16) >= 0)
	  return 1;
      }
    return 0;
  }

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
  ac_cv_func_memcmp_working=yes
else
  ac_cv_func_memcmp_working=no
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_memcmp_working" >&5
$as_echo "$ac_cv_func_memcmp_working" >&6; }
test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in
  *" memcmp.$ac_objext "* ) ;;
  *) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
 ;;
esac


ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu


#AC_FUNC_STRFTIME  # FIXME
#AC_FUNC_VPRINTF   # FIXME

# vsnprintf <stdarg.h> (C99)
ac_fn_cxx_check_func "$LINENO" "vsnprintf" "ac_cv_func_vsnprintf"
if test "x$ac_cv_func_vsnprintf" = xyes; then :

else
  as_fn_error $? "
*** This system does not provide the C99 vsnprintf() function which
*** is required to compile $PACKAGE_NAME.  You should consider updating
*** your C library as it is too old.  Alternatively you might install
*** a specific library implementing the (v)snprintf family of functions.
*** Searching the web should give you appropriate pointers.
***
*** In case you want to try compiling $PACKAGE_NAME while your system lacks
*** this function (meaning that compilation *will* fail unless you provide
*** a replacement function), try the --disable-vsnprintf-check option.
" "$LINENO" 5


fi


# getcwd or its equivalent with getenv <unistd.h>
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

for ac_func in getcwd
do :
  ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
if test "x$ac_cv_func_getcwd" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_GETCWD 1
_ACEOF

else

    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working getenv(\"PWD\")" >&5
$as_echo_n "checking for working getenv(\"PWD\")... " >&6; }
    if test "$cross_compiling" = yes; then :

        { $as_echo "$as_me:${as_lineno-$LINENO}: result: cross-compiling" >&5
$as_echo "cross-compiling" >&6; }
        { $as_echo "$as_me:${as_lineno-$LINENO}: I/O restriction code will be disabled" >&5
$as_echo "$as_me: I/O restriction code will be disabled" >&6;}
        enable_io_restrictions="no"


else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

        #include <stdlib.h>
int main(void) { return (getenv("PWD") == NULL); }


_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
else

        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
        { $as_echo "$as_me:${as_lineno-$LINENO}: I/O restriction code will be disabled" >&5
$as_echo "$as_me: I/O restriction code will be disabled" >&6;}
        enable_io_restrictions="no"

fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi



fi
done

ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu


# readlink <unistd.h>
if test x"$enable_io_restrictions" != x"no"; then
  for ac_func in readlink
do :
  ac_fn_cxx_check_func "$LINENO" "readlink" "ac_cv_func_readlink"
if test "x$ac_cv_func_readlink" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_READLINK 1
_ACEOF

else

      { $as_echo "$as_me:${as_lineno-$LINENO}: I/O restriction code will be disabled" >&5
$as_echo "$as_me: I/O restriction code will be disabled" >&6;}
      enable_io_restrictions="no"


fi
done

fi

# nanosleep <time.h>
for ac_func in nanosleep
do :
  ac_fn_cxx_check_func "$LINENO" "nanosleep" "ac_cv_func_nanosleep"
if test "x$ac_cv_func_nanosleep" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_NANOSLEEP 1
_ACEOF

fi
done


# clock_gettime <time.h>
for ac_func in clock_gettime
do :
  ac_fn_cxx_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
if test "x$ac_cv_func_clock_gettime" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_CLOCK_GETTIME 1
_ACEOF

fi
done


# getrusage <sys/resource.h>
for ac_func in getrusage
do :
  ac_fn_cxx_check_func "$LINENO" "getrusage" "ac_cv_func_getrusage"
if test "x$ac_cv_func_getrusage" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_GETRUSAGE 1
_ACEOF

fi
done


# gettimeofday <sys/time.h>
for ac_func in gettimeofday
do :
  ac_fn_cxx_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
if test "x$ac_cv_func_gettimeofday" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_GETTIMEOFDAY 1
_ACEOF

fi
done


# asinh and friends (requires libm)
for ac_func in asinh
do :
  ac_fn_cxx_check_func "$LINENO" "asinh" "ac_cv_func_asinh"
if test "x$ac_cv_func_asinh" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_ASINH 1
_ACEOF

else

$as_echo "#define NEED_INVHYP /**/" >>confdefs.h


fi
done


# support for non-IEEE compilers (requires libm)
if test x"$C99_COMPATIBLE_RADIOSITY" != x"" || test x"$ac_cv_sizeof_int" != x"4" || test x"$ac_cv_sizeof_float" != x"4"; then
  for ac_func in copysign
do :
  ac_fn_cxx_check_func "$LINENO" "copysign" "ac_cv_func_copysign"
if test "x$ac_cv_func_copysign" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_COPYSIGN 1
_ACEOF

else
  as_fn_error $? "
*** Cannot find the 'copysign' function required for non-ieee platform
" "$LINENO" 5

fi
done

  if test x"$C99_COMPATIBLE_RADIOSITY" = x""; then  # auto-detection
    for ac_func in ilogbf
do :
  ac_fn_cxx_check_func "$LINENO" "ilogbf" "ac_cv_func_ilogbf"
if test "x$ac_cv_func_ilogbf" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_ILOGBF 1
_ACEOF

$as_echo "#define C99_COMPATIBLE_RADIOSITY 2" >>confdefs.h

else
  for ac_func in ilogb
do :
  ac_fn_cxx_check_func "$LINENO" "ilogb" "ac_cv_func_ilogb"
if test "x$ac_cv_func_ilogb" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_ILOGB 1
_ACEOF

$as_echo "#define C99_COMPATIBLE_RADIOSITY 4" >>confdefs.h

else
  for ac_func in logbf
do :
  ac_fn_cxx_check_func "$LINENO" "logbf" "ac_cv_func_logbf"
if test "x$ac_cv_func_logbf" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LOGBF 1
_ACEOF

$as_echo "#define C99_COMPATIBLE_RADIOSITY 1" >>confdefs.h

else
  for ac_func in logb
do :
  ac_fn_cxx_check_func "$LINENO" "logb" "ac_cv_func_logb"
if test "x$ac_cv_func_logb" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LOGB 1
_ACEOF

$as_echo "#define C99_COMPATIBLE_RADIOSITY 3" >>confdefs.h

else
  as_fn_error $? "
*** Cannot find a 'logb' or equivalent function required for non-ieee platform
" "$LINENO" 5

fi
done


fi
done


fi
done


fi
done

  else  # check value of C99_COMPATIBLE_RADIOSITY and function presence
    case "$C99_COMPATIBLE_RADIOSITY" in
      1) for ac_func in logbf
do :
  ac_fn_cxx_check_func "$LINENO" "logbf" "ac_cv_func_logbf"
if test "x$ac_cv_func_logbf" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LOGBF 1
_ACEOF

else
  as_fn_error $? "logbf not found" "$LINENO" 5
fi
done
 ;;
      2) for ac_func in ilogbf
do :
  ac_fn_cxx_check_func "$LINENO" "ilogbf" "ac_cv_func_ilogbf"
if test "x$ac_cv_func_ilogbf" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_ILOGBF 1
_ACEOF

else
  as_fn_error $? "ilogbf not found" "$LINENO" 5
fi
done
 ;;
      3) for ac_func in logb
do :
  ac_fn_cxx_check_func "$LINENO" "logb" "ac_cv_func_logb"
if test "x$ac_cv_func_logb" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LOGB 1
_ACEOF

else
  as_fn_error $? "logb not found" "$LINENO" 5
fi
done
 ;;
      4) for ac_func in ilogb
do :
  ac_fn_cxx_check_func "$LINENO" "ilogb" "ac_cv_func_ilogb"
if test "x$ac_cv_func_ilogb" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_ILOGB 1
_ACEOF

else
  as_fn_error $? "ilogb not found" "$LINENO" 5
fi
done
 ;;
      *) as_fn_error $? "Unsupported C99_COMPATIBLE_RADIOSITY value" "$LINENO" 5 ;;
    esac

cat >>confdefs.h <<_ACEOF
#define C99_COMPATIBLE_RADIOSITY $C99_COMPATIBLE_RADIOSITY
_ACEOF

  fi
fi


###############################################################################

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
Compiling
---------" >&5
$as_echo "
Compiling
---------" >&6; }

# Start with no flags at all, so back them up first.
pov_save_cxxflags="$CXXFLAGS"
CXXFLAGS=


# Use pipes for communication between compilation stages.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable pipes for communications" >&5
$as_echo_n "checking whether to enable pipes for communications... " >&6; }
if test x"$enable_pipe" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -pipe | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -pipe | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -pipe" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -pipe... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -pipe -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -pipe -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -pipe conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -pipe conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -pipe"
    :
  else
    :
  fi

fi


# Language.

# don't use -ansi since it can make compilation fail (e.g. on cygwin).
#AX_TEST_COMPILER_FLAGS([-ansi], [], [AX_TEST_COMPILER_FLAGS([-Aa])])

# -w would prevent all warning messages, even if -W... is given later on.
# we don't want to clutter the compiling with lots of warnings.
#AX_TEST_COMPILER_FLAGS([-W])
#AX_TEST_COMPILER_FLAGS([-Wall], [], [AX_TEST_COMPILER_FLAGS([-fullwarn])])




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -Wno-multichar | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -Wno-multichar | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -Wno-multichar" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -Wno-multichar... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -Wno-multichar -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -Wno-multichar -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -Wno-multichar conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -Wno-multichar conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -Wno-multichar"
    :
  else
    :
  fi





  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -Wno-write-strings | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -Wno-write-strings | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -Wno-write-strings" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -Wno-write-strings... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -Wno-write-strings -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -Wno-write-strings -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -Wno-write-strings conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -Wno-write-strings conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -Wno-write-strings"
    :
  else
    :
  fi

if test x"$pov_compiler_vendor" = x"gnu"; then




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -fno-enforce-eh-specs | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -fno-enforce-eh-specs | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -fno-enforce-eh-specs" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -fno-enforce-eh-specs... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -fno-enforce-eh-specs -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -fno-enforce-eh-specs -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -fno-enforce-eh-specs conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -fno-enforce-eh-specs conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -fno-enforce-eh-specs"
    :
  else
    :
  fi

fi


# I/O restrictions.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable I/O restrictions" >&5
$as_echo_n "checking whether to enable I/O restrictions... " >&6; }
if test x"$enable_io_restrictions" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }

$as_echo "#define IO_RESTRICTIONS_DISABLED 1" >>confdefs.h

else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

$as_echo "#define IO_RESTRICTIONS_DISABLED 0" >>confdefs.h

fi


# Compile with debugging code.

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable debugging" >&5
$as_echo_n "checking whether to enable debugging... " >&6; }

if test x"$enable_debug" = x"yes"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -g | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -g | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -g" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -g... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -g -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -g -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -g conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -g conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -g"
    :
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot set debugging mode" >&5
$as_echo "$as_me: WARNING: Cannot set debugging mode" >&2;}
  fi


$as_echo "#define UNIX_DEBUG /**/" >>confdefs.h

else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


# Compile for profiling.

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable profiling" >&5
$as_echo_n "checking whether to enable profiling... " >&6; }

if test x"$enable_profile" = x"yes"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
  if test x"$ax_cv_prog_cxx_flags_g" = x""; then




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -g | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -g | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -g" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -g... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -g -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -g -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -g conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -g conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -g"
    :
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot set debugging mode" >&5
$as_echo "$as_me: WARNING: Cannot set debugging mode" >&2;}
  fi

  fi




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -pg | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -pg | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -pg" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -pg... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -pg -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -pg -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -pg conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -pg conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -pg"
    :
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot set profiling mode" >&5
$as_echo "$as_me: WARNING: Cannot set profiling mode" >&2;}
  fi

else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


# Strip object files.

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable stripping" >&5
$as_echo_n "checking whether to enable stripping... " >&6; }

if test x"$enable_strip" = x"no"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
else
  if test x"$enable_debug" = x"yes" || test x"$enable_profile" = x"yes"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, debugging/profiling mode is on" >&5
$as_echo "no, debugging/profiling mode is on" >&6; }
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -s | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -s | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -s" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -s... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -s -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -s -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -s conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -s conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -s"
    :
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot set stripping mode" >&5
$as_echo "$as_me: WARNING: Cannot set stripping mode" >&2;}
  fi

  fi
fi


# Compile with optimizations.

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable optimizations" >&5
$as_echo_n "checking whether to enable optimizations... " >&6; }

if test x"$enable_optimiz" != x"no"; then

  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

  # don't try -fast (makes ICC fail when linking due to implied -ipo flag).




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -O3 | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -O3 | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -O3" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -O3... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -O3 -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -O3 -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -O3 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -O3 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -O3"
    :
  else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -O2 | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -O2 | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -O2" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -O2... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -O2 -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -O2 -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -O2 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -O2 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -O2"
    :
  else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -O | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -O | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -O" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -O... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -O -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -O -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -O conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -O conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -O"
    :
  else
    :
  fi

  fi

  fi


  # compiler-specific flags.
  case "$pov_compiler_vendor" in
    gnu)
      if test x"$ax_cv_prog_cxx_flags_O" = x"yes"; then  # -O was set
        for pov_flags in "-fexpensive-optimizations" "-finline-functions" "-foptimize-sibling-calls"
        do




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo $pov_flags | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo $pov_flags | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts $pov_flags" >&5
$as_echo_n "checking whether $ax_test_compiler accepts $pov_flags... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS $pov_flags"
    :
  else
    :
  fi

        done
      elif test x"$ax_cv_prog_cxx_flags_O2" = x"yes"; then  # -O2 was set




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -finline-functions | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -finline-functions | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -finline-functions" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -finline-functions... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -finline-functions -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -finline-functions -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -finline-functions conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -finline-functions conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -finline-functions"
    :
  else
    :
  fi

      fi




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -ffast-math | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -ffast-math | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -ffast-math" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -ffast-math... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -ffast-math -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -ffast-math -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -ffast-math conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -ffast-math conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -ffast-math"
    :
  else
    :
  fi

      ;;

    intel)




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -ip | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -ip | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -ip" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -ip... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -ip -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -ip -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -ip conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -ip conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -ip"
    :
  else
    :
  fi

      ;;
  esac

  # Arch-specific tuning, alphabetically ordered for conveniency.
  # Perform checks only when not cross-compiling.
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable architecture-specific optimizations" >&5
$as_echo_n "checking whether to enable architecture-specific optimizations... " >&6; }
  if test x"$cross_compiling" != x"no"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, cross-compiling" >&5
$as_echo "no, cross-compiling" >&6; }
    pov_built_for="$pov_built_for (cross-compiled)"
  elif test x"$enable_optimiz_arch" != x"no"; then
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }

    case "$build" in

      alphaev*6*)
        ### Suggested by Christopher Endsley <endsley@yokuts.csustan.edu>
        for pov_flags in "-mcpu=ev56" "-mno-soft-float"
        do




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo $pov_flags | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo $pov_flags | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts $pov_flags" >&5
$as_echo_n "checking whether $ax_test_compiler accepts $pov_flags... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS $pov_flags"
    :
  else
    :
  fi

        done
        case "$CXXFLAGS" in
          *-mcpu=ev56*)  pov_built_for="$pov_built_for | DEC Alpha EV5 with BWX extensions" ;;
        esac
        ;;

      i?86-* | k?-* | *86*64*)
        case "$build" in
          i?86-* | k?-*)



  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -malign-double | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -malign-double | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -malign-double" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -malign-double... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -malign-double -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -malign-double -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -malign-double conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -malign-double conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -malign-double"
    :
  else
    :
  fi
;;
        esac




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -xHost | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -xHost | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -xHost" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -xHost... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -xHost -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -xHost -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -xHost conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -xHost conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -xHost"
    # ICC >= 11.0
          pov_built_for="$pov_built_for (using -xHost)"
  else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -march=native | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -march=native | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -march=native" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -march=native... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -march=native -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -march=native -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -march=native conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -march=native conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -march=native"
    # GCC >= 4.2
            pov_built_for="$pov_built_for (using -march=native)"
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking processor type" >&5
$as_echo_n "checking processor type... " >&6; }

  # head is used to handle SMP/HT systems
  # check whether 'head -n 1' is supported; otherwise use older 'head -1'
  if test x"`head -n 1 /dev/null 2>&1`" = x""; then
    head_1='head -n 1'
  else
    head_1='head -1'
  fi

  # get machine info
  if test -r /proc/cpuinfo ; then  # Linux
    ax_x86_cpuinfo=/proc/cpuinfo
  elif test -r /compat/linux/proc/cpuinfo ; then  # FreeBSD linprocfs
    ax_x86_cpuinfo=/compat/linux/proc/cpuinfo
  elif test -r /emul/linux/proc ; then  # NetBSD linprocfs
    ax_x86_cpuinfo=/emul/linux/proc
  else
    case "`uname -s 2>/dev/null || echo nothing`" in
      NetBSD)
        ax_x86_cpumodel_orig=`grep cpu0: /var/run/dmesg.boot | $head_1 | cut -d: -f2 | cut -d, -f1`
        ax_x86_cpuflags=`grep 'cpu0: features' /var/run/dmesg.boot | cut -d'<' -f2 | tr 'A-Z,>\n' 'a-z   '`
        ax_x86_vendorid="unknown"  # not reported as such
      ;;
      FreeBSD)
        ax_x86_cpumodel_orig=`grep CPU /var/run/dmesg.boot | $head_1 | cut -d: -f2`
        ax_x86_cpuflags=`grep Features /var/run/dmesg.boot | $head_1 | cut -d'<' -f2 | tr 'A-Z,>' 'a-z  '`
        ax_x86_vendorid=`grep Origin /var/run/dmesg.boot | $head_1 | cut -d'"' -f2`
      ;;
    esac
  fi

  if test x"$ax_x86_cpuinfo" != x""; then
    ax_x86_cpumodel_orig=`cat $ax_x86_cpuinfo | grep 'model name' | $head_1 | cut -d: -f2`
    ax_x86_cpumodel_orig=`echo $ax_x86_cpumodel_orig`  # remove leading/trailing blanks
    ax_x86_cpuflags=`cat $ax_x86_cpuinfo | grep flags | $head_1 | cut -d: -f2`
    ax_x86_cpuflags=`echo $ax_x86_cpuflags`  # remove leading/trailing blanks
    ax_x86_vendorid=`cat $ax_x86_cpuinfo | grep vendor_id | $head_1 | cut -d: -f2`
    ax_x86_vendorid=`echo $ax_x86_vendorid`  # remove leading/trailing blanks
  fi

  # remove clockspeed info
  ax_x86_cpumodel_nofreq=`echo $ax_x86_cpumodel_orig | sed -e 's,Processor.*$,,' -e 's,CPU.*$,,' -e 's,[.[:alnum:]]*[hH]z,,g' -e 's,[[:digit:]]\++,,g'`
  ax_x86_cpumodel_nofreq=`echo $ax_x86_cpumodel_nofreq`  # remove leading/trailing blanks

  # convert to lowercase, remove "mobile" and "(tm)"
  ax_x86_cpumodel=`echo $ax_x86_cpumodel_nofreq | tr A-Z a-z`
  ax_x86_cpumodel=${ax_x86_cpumodel:-`uname -p 2> /dev/null`}
  ax_x86_cpumodel=`echo $ax_x86_cpumodel | sed -e 's,mobile,,g' -e 's,(tm),,g'`

  # log values
  echo ax_x86_cpuinfo           = $ax_x86_cpuinfo         >&5
  echo ax_x86_cpumodel_orig     = $ax_x86_cpumodel_orig   >&5
  echo ax_x86_cpumodel_nofreq   = $ax_x86_cpumodel_nofreq >&5
  echo ax_x86_cpumodel          = $ax_x86_cpumodel        >&5
  echo ax_x86_vendorid          = $ax_x86_vendorid        >&5
  echo ax_x86_cpuflags          = $ax_x86_cpuflags        >&5

  # list of supported SSE instruction set(s)
  ax_x86_cpuflags_SSE_list=
  for flag in $ax_x86_cpuflags
  do
    case "$flag" in
      sse)            ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSE";;
      sse2)           ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSE2";;
      sse3|pni)       ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSE3";;   # prescott new instructions
      ssse3|tni|mni)  ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSSE3";;  # tejas|merom new instructions
      sse4a)          ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSE4a";;  # barcelona
      sse4_1)         ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSE4.1";; # penryn
      sse4_2)         ax_x86_cpuflags_SSE_list="$ax_x86_cpuflags_SSE_list SSE4.2";; # nehalem (core i7)
    esac
  done
  ax_x86_cpuflags_SSE_list=`echo $ax_x86_cpuflags_SSE_list`
  echo ax_x86_cpuflags_SSE_list = $ax_x86_cpuflags_SSE_list >&5

  # processor architecture
  if test x"$ax_x86_arch" = x""; then
    case "$build" in
      i386-*)    ;;  # *BSD always says i386; handled below
      i486-*)    ax_x86_arch="i486";;
      i586-*)    ax_x86_arch="pentium";;
      i686-*)    ;;  # handled below
      k6-*)      ;;  # handled below
      k7-*)      ;;  # handled below
      k8-*)      ;;  # handled below
      x86_64-*)  ;;  # handled below
      *)         ax_x86_arch="unknown";;
    esac
  fi

  # processor model
  if test x"$ax_x86_arch" = x""; then
    case "$ax_x86_cpumodel" in
      # Intel
      *xeon*)          ax_x86_arch="pentium4";;    # FIXME: Core2-based xeon
      *intel*core*i7*) ax_x86_arch="core2";;       # FIXME
      *intel*core2*)   ax_x86_arch="core2";;       # use "intel" for consistency with the test below
      *intel*core*)    ax_x86_arch="pentium4";;    # use "intel" to avoid catching e.g. "athlon 64 x2 dual core"
      *pentium*4*)     ax_x86_arch="pentium4";;
      *pentium*mmx*)   ax_x86_arch="pentium";;     # catch this first
      *pentium*iii*)   ax_x86_arch="pentium3";;    # catch pentium III Mxxx before Pentium-M
      *pentium*ii*)    ax_x86_arch="pentium2";;
      *pentium*m*)     ax_x86_arch="pentium-m";;
      *pentium*pro*)   ax_x86_arch="pentiumpro";;
      *pentium*)       ax_x86_arch="pentium";;
      *celeron*)       ax_x86_arch="pentium3";;    # assume all celerons belong here (but see below)

      # AMD; flags are for GCC only but see the ICC tweaks below
      *phenom*)       ax_x86_arch="barcelona";;
      *opteron*)      ax_x86_arch="k8";;
      *turion*)       ax_x86_arch="k8";;
      *athlon*64*)    ax_x86_arch="k8";;
      *athlon*xp*)    ax_x86_arch="athlon-xp";;
      *athlon*mp*)    ax_x86_arch="athlon-mp";;
      *athlon*)       ax_x86_arch="athlon";;
      *sempron*64*)   ax_x86_arch="k8";;
      *sempron*)      ax_x86_arch="athlon-xp";;   # assume all semprons belong here (but see below)
      *duron*)        ax_x86_arch="athlon";;
      *k6*)           ax_x86_arch="k6";;
      *k7*)           ax_x86_arch="k7";;
      *k8*)           ax_x86_arch="k8";;
      *x86_64*)       ax_x86_arch="k8";;

      # others; don't support true i386
      *)              ax_x86_arch="i686";;
    esac  # ax_x86_cpumodel

    # celerons with SSE2/SSE3
    if test x"$ax_x86_arch" = x"pentium3"; then
      case "$ax_x86_cpuflags_SSE_list" in
        *SSE3*)  ax_x86_arch="prescott";;
        *SSE2*)  ax_x86_arch="pentium4";;
      esac
    fi

    # semprons with SSE3
    if test x"$ax_x86_arch" = x"athlon-xp"; then
      case "$ax_x86_cpuflags_SSE_list" in
        *SSE3*)  ax_x86_arch="k8";;
      esac
    fi

    # fallback
    case "$ax_x86_arch" in
      k6|pentium)               ax_x86_arch_fallback="i586";;
      core*|pentium*|prescott)  ax_x86_arch_fallback="i686";;
      k7|k8|athlon*)            ax_x86_arch_fallback="i686";;
      *)                        ax_x86_arch_fallback="i386";;
    esac
  fi  # processor model

  echo ax_x86_arch              = $ax_x86_arch          >&5
  echo ax_x86_arch_fallback     = $ax_x86_arch_fallback >&5

            { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_x86_cpumodel_nofreq" >&5
$as_echo "$ax_x86_cpumodel_nofreq" >&6; }
            { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether SSE instruction sets are supported" >&5
$as_echo_n "checking whether SSE instruction sets are supported... " >&6; }
            test x"$ax_x86_cpuflags_SSE_list" = x"" && ax_x86_cpuflags_SSE_list=no
            { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_x86_cpuflags_SSE_list" >&5
$as_echo "$ax_x86_cpuflags_SSE_list" >&6; }
            if test x"$ax_x86_arch" != x"unknown"; then
              if test x"$pov_compiler_vendor" = x"intel"; then
                case "$ax_x86_arch" in
                  core2)




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -xT | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -xT | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -xT" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -xT... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -xT -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -xT -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -xT conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -xT conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -xT"
    :
  else
    :
  fi
 ;;
                  prescott|pentium4)  # Prescott, Northwood, Willamette




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -xP | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -xP | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -xP" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -xP... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -xP -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -xP -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -xP conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -xP conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -xP"
    :
  else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -xN | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -xN | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -xN" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -xN... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -xN -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -xN -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -xN conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -xN conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -xN"
    :
  else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -xW | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -xW | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -xW" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -xW... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -xW -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -xW -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -xW conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -xW conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -xW"
    :
  else
    :
  fi

  fi

  fi
 ;;
                  #pentium-m)  # Banias; option deprecated in ICC >= 10.0
                  #  AX_TEST_COMPILER_FLAGS([-xB]) ;;
                  pentium3)




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -xK | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -xK | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -xK" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -xK... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -xK -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -xK -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -xK conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -xK conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -xK"
    :
  else
    :
  fi
 ;;
                  pentium2)




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -march=pentiumii | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -march=pentiumii | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -march=pentiumii" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -march=pentiumii... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -march=pentiumii -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -march=pentiumii -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -march=pentiumii conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -march=pentiumii conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -march=pentiumii"
    :
  else
    :
  fi
 ;;
                esac
              else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -march=$ax_x86_arch | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -march=$ax_x86_arch | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -march=$ax_x86_arch" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -march=$ax_x86_arch... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -march=$ax_x86_arch -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -march=$ax_x86_arch -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -march=$ax_x86_arch conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -march=$ax_x86_arch conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -march=$ax_x86_arch"
    :
  else

                    if test x"$ax_x86_arch_fallback" != x""; then




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -march=$ax_x86_arch_fallback | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -march=$ax_x86_arch_fallback | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -march=$ax_x86_arch_fallback" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -march=$ax_x86_arch_fallback... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -march=$ax_x86_arch_fallback -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -march=$ax_x86_arch_fallback -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -march=$ax_x86_arch_fallback conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -march=$ax_x86_arch_fallback conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -march=$ax_x86_arch_fallback"
    ax_x86_arch=$ax_x86_arch_fallback
  else
    ax_x86_arch=
  fi

                    fi


  fi

                if test x"$pov_compiler_vendor" = x"gnu"; then
                  for sse_flag in $ax_x86_cpuflags_SSE_list
                  do
                    sse_flag=`echo $sse_flag | tr A-Z a-z`




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -m$sse_flag | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -m$sse_flag | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -m$sse_flag" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -m$sse_flag... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -m$sse_flag -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -m$sse_flag -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -m$sse_flag conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -m$sse_flag conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -m$sse_flag"
    :
  else
    :
  fi

                  done
                  case "$ax_x86_cpuflags_SSE_list" in
                    *SSE2*|*SSE3*|*SSSE3*|*SSE4*)



  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -mfpmath=sse | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -mfpmath=sse | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -mfpmath=sse" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -mfpmath=sse... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -mfpmath=sse -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -mfpmath=sse -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -mfpmath=sse conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -mfpmath=sse conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -mfpmath=sse"
    :
  else
    :
  fi
;;  # -march or -msse required
                  esac
                fi
              fi
            else
              ax_x86_arch=
            fi
            if test x"$ax_x86_arch" != x""; then
              pov_built_for="$pov_built_for | $ax_x86_cpumodel_nofreq"
            fi

  fi

  fi

        ;;

      *irix*)




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -mips4 | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -mips4 | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -mips4" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -mips4... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -mips4 -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -mips4 -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -mips4 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -mips4 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -mips4"
    pov_built_for="$pov_built_for | MIPS 4"
  else




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo -mips2 | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo -mips2 | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts -mips2" >&5
$as_echo_n "checking whether $ax_test_compiler accepts -mips2... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS -mips2 -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS -mips2 -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS -mips2 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS -mips2 conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS -mips2"
    pov_built_for="$pov_built_for | MIPS 2"
  else
    :
  fi


  fi

        ;;

      powerpc*)
        ### Suggested by Thorsten Froehlich <thorsten@trf.de> :
        # Note that the different parameters for mcpu and mtune are intentional:
        # The PPC 7450 processor has a much longer pipeline and thus scheduling
        # for that pipeline always yields good results even on processors with
        # a shorter pipeline.  On the other hand, most PowerPC processors only
        # support the instructions also found in the PPC 750 processor (aka G3).
        # That is why it is selected in the mcpu parameter.  Using 7450 (aka G4+)
        # in mcpu would make the code incompatible with anything prior to the
        # PPC 7400 (aka G4).  To be precise, the vector instructions are new
        # in the four digit model number PowerPC processors (aka G4), but gcc
        # cannot (as of February 2003) use them automatically anyway! [trf]
        #
        # 2007-01-24 after gentoo patch for powerpc64 (http://bugs.gentoo.org/show_bug.cgi?id=118156)
        if "$build" != powerpc64* ; then
          for pov_flags in "-mpowerpc" "-mcpu=750 -mtune=7450"
          do




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo $pov_flags | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo $pov_flags | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts $pov_flags" >&5
$as_echo_n "checking whether $ax_test_compiler accepts $pov_flags... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS $pov_flags"
    :
  else
    :
  fi

          done
          case "$CXXFLAGS" in
            *-mcpu=750*)  pov_built_for="$pov_built_for | PowerPC G3/G4" ;;
            *)            pov_built_for="$pov_built_for | PowerPC" ;;
          esac
        else
          pov_built_for="$pov_built_for | PowerPC G5"
        fi
        for pov_flags in "-mmultiple" "-mstring" "-mfused-madd"
        do




  # Create a unique cache-id name (multiple flags are handled).
  ax_test_compiler_flags_var=ax_cv_test_cxx_flags`echo $pov_flags | sed 's,[^a-zA-Z0-9],_,g'`

  # Create the extended regular expression to handle multiple flags.
  # For instance, "-first-flag -second-flag -X" gives the regexp:
  #   "\-f|irst-flag|\-s|econd-flag|\-X|X"
  #
  # FreeBSD and Darwin seem to have a problem with the \+ sed construct
  # (but apparently not with the \{x,y\} one).  For safety, I prefer to
  # use  [[:space:]][[:space:]]*  for  [[:space:]]\+
  ax_test_compiler_flags_regexp=`echo $pov_flags | sed 's,\(-.\)\([^[:space:]]*\),\\\\\1|\2,g; s,[[:space:]][[:space:]]*,|,g; s,\(.\)||,\1|\1|,g; s,\(.\)|$,\1|\1,'`

  # get current compiler; don't use $ac_compiler
  eval ax_test_compiler=`set X $ac_compile; echo $2`

  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $ax_test_compiler accepts $pov_flags" >&5
$as_echo_n "checking whether $ax_test_compiler accepts $pov_flags... " >&6; }
  if eval \${$ax_test_compiler_flags_var+:} false; then :
  $as_echo_n "(cached) " >&6
else

      # Create a conftest file.
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main ()
{

  ;
  return 0;
}
_ACEOF

      # Compile and inspect standard error for given flags.
      echo "$ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0" >&5
            $ax_test_compiler $CXXFLAGS -c conftest.$ac_ext 2> conftest.err0  >&5
      echo "cat conftest.err0" >&5
            cat conftest.err0  >&5
      echo "$ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err" >&5
            $ax_test_compiler $CXXFLAGS $pov_flags -c conftest.$ac_ext 2> conftest.err  >&5
      echo "cat conftest.err" >&5
            cat conftest.err  >&5

      echo $EGREP "$ax_test_compiler_flags_regexp" conftest.err >&5
      ax_test_compiler_flags_err=`$EGREP "$ax_test_compiler_flags_regexp" conftest.err 2>&1`
      echo $ax_test_compiler_flags_err >&5

      echo diff conftest.err0 conftest.err >&5
      ax_test_compiler_flags_diff=`diff conftest.err0 conftest.err 2>&1`
      echo $ax_test_compiler_flags_diff >&5

      eval "$ax_test_compiler_flags_var=no"
      if test "$ax_test_compiler_flags_err" = x"" || test x"$ax_test_compiler_flags_diff" = x""; then
        # compile, link, and run the test program.
        echo "$ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err" >&5
              $ax_test_compiler $CXXFLAGS $pov_flags conftest.$ac_ext -o conftest$ac_exeext 2> conftest.err  >&5
        echo "cat conftest.err" >&5
              cat conftest.err  >&5
        echo "./conftest$ac_exeext 2> conftest.err >&2" >&5
              ./conftest$ac_exeext 2> conftest.err >&2
        ax_test_compiler_flags_run=$?
        echo "cat conftest.err" >&5
              cat conftest.err  >&5

        # success
        if test x"`cat conftest.err`" = x"" && test x"$ax_test_compiler_flags_run" = x"0"; then
          eval "$ax_test_compiler_flags_var=yes"
        fi
      fi

      rm -f conftest.$ac_ext conftest.$ac_objext conftest.err conftest.err0 conftest$ac_exeext


fi

  eval "ax_test_compiler_flags_value=\$$ax_test_compiler_flags_var"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_test_compiler_flags_value" >&5
$as_echo "$ax_test_compiler_flags_value" >&6; }

  if test x"$ax_test_compiler_flags_value" = x"yes"; then
    CXXFLAGS="$CXXFLAGS $pov_flags"
    :
  else
    :
  fi

        done
        ;;

      sparc-*)
        # Commented out for now.
        #AX_TEST_COMPILER_FLAGS([-march=ultrasparc])
        #AX_TEST_COMPILER_FLAGS([-mvis])
        ;;

    esac

    { $as_echo "$as_me:${as_lineno-$LINENO}: checking which architecture to optimize for" >&5
$as_echo_n "checking which architecture to optimize for... " >&6; }
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $pov_built_for" >&5
$as_echo "$pov_built_for" >&6; }
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }  # no arch-specific optimizations
  fi

else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }  # no optimizations
fi


cat >>confdefs.h <<_ACEOF
#define BUILT_FOR "$pov_built_for"
_ACEOF



# Add flags specified at the command line.
CXXFLAGS=`echo $CXXFLAGS $pov_save_cxxflags`

cat >>confdefs.h <<_ACEOF
#define CXXFLAGS "$CXXFLAGS"
_ACEOF



###############################################################################

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
Makefiles
---------" >&5
$as_echo "
Makefiles
---------" >&6; }

ac_config_files="$ac_config_files Makefile source/base/Makefile source/backend/Makefile source/frontend/Makefile source/Makefile vfe/Makefile unix/Makefile"



###############################################################################

if test x"$enable_io_restrictions" = x"no"; then
  pov_io_msg="disabled"
else
  pov_io_msg="enabled"
fi

# image format support
pov_img_fmt_builtin="gif tga iff ppm pgm hdr"

for format in png jpeg tiff openexr
do
  eval fmt=\$pov_lib$format
  if test x"$fmt" != x""; then
    pov_img_fmt_enabled="$pov_img_fmt_enabled $format"
  else
    pov_img_fmt_disabled="$pov_img_fmt_disabled $format"
  fi
done
pov_img_fmt_enabled=`echo $pov_img_fmt_enabled`
pov_img_fmt_disabled=`echo $pov_img_fmt_disabled`
test x"$pov_img_fmt_disabled" = x"" && pov_img_fmt_disabled="-"



cat >>confdefs.h <<_ACEOF
#define BUILTIN_IO_RESTRICTIONS "$pov_io_msg"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define BUILTIN_XWIN_DISPLAY "$pov_xwin_msg"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define BUILTIN_IMG_FORMATS "$pov_img_fmt_builtin $pov_img_fmt_enabled"
_ACEOF


cat >>confdefs.h <<_ACEOF
#define MISSING_IMG_FORMATS "$pov_img_fmt_disabled"
_ACEOF


povowner=`stat -c %u ${HOME}`
povgroup=`stat -c %g ${HOME}`



cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs, see configure's option --config-cache.
# It is not useful on other systems.  If it contains results you don't
# want to keep, you may remove or edit it.
#
# config.status only pays attention to the cache file if you give it
# the --recheck option to rerun configure.
#
# `ac_cv_env_foo' variables (set or unset) will be overridden when
# loading this file, other *unset* `ac_cv_foo' will be assigned the
# following values.

_ACEOF

# The following way of writing the cache mishandles newlines in values,
# but we know of no workaround that is simple, portable, and efficient.
# So, we kill variables containing newlines.
# Ultrix sh set writes to stderr and can't be redirected directly,
# and sets the high bit in the cache file unless we assign to the vars.
(
  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
    eval ac_val=\$$ac_var
    case $ac_val in #(
    *${as_nl}*)
      case $ac_var in #(
      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      esac
      case $ac_var in #(
      _ | IFS | as_nl) ;; #(
      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
      *) { eval $ac_var=; unset $ac_var;} ;;
      esac ;;
    esac
  done

  (set) 2>&1 |
    case $as_nl`(ac_space=' '; set) 2>&1` in #(
    *${as_nl}ac_space=\ *)
      # `set' does not quote correctly, so add quotes: double-quote
      # substitution turns \\\\ into \\, and sed turns \\ into \.
      sed -n \
	"s/'/'\\\\''/g;
	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
      ;; #(
    *)
      # `set' quotes correctly as required by POSIX, so do not add quotes.
      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
      ;;
    esac |
    sort
) |
  sed '
     /^ac_cv_env_/b end
     t clear
     :clear
     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
     t end
     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
     :end' >>confcache
if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
  if test -w "$cache_file"; then
    if test "x$cache_file" != "x/dev/null"; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
$as_echo "$as_me: updating cache $cache_file" >&6;}
      if test ! -f "$cache_file" || test -h "$cache_file"; then
	cat confcache >"$cache_file"
      else
        case $cache_file in #(
        */* | ?:*)
	  mv -f confcache "$cache_file"$$ &&
	  mv -f "$cache_file"$$ "$cache_file" ;; #(
        *)
	  mv -f confcache "$cache_file" ;;
	esac
      fi
    fi
  else
    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
  fi
fi
rm -f confcache

test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'

DEFS=-DHAVE_CONFIG_H

ac_libobjs=
ac_ltlibobjs=
U=
for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
  # 1. Remove the extension, and $U if already installed.
  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
  #    will be set to the directory where LIBOBJS objects are built.
  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
done
LIBOBJS=$ac_libobjs

LTLIBOBJS=$ac_ltlibobjs


 if test -n "$EXEEXT"; then
  am__EXEEXT_TRUE=
  am__EXEEXT_FALSE='#'
else
  am__EXEEXT_TRUE='#'
  am__EXEEXT_FALSE=
fi

if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
  as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
  as_fn_error $? "conditional \"AMDEP\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then
  as_fn_error $? "conditional \"am__fastdepCXX\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi

: "${CONFIG_STATUS=./config.status}"
ac_write_fail=0
ac_clean_files_save=$ac_clean_files
ac_clean_files="$ac_clean_files $CONFIG_STATUS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
as_write_fail=0
cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
#! $SHELL
# Generated by $as_me.
# Run this file to recreate the current configuration.
# Compiler output produced by configure, useful for debugging
# configure, is in config.log if it exists.

debug=false
ac_cs_recheck=false
ac_cs_silent=false

SHELL=\${CONFIG_SHELL-$SHELL}
export SHELL
_ASEOF
cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
## -------------------- ##
## M4sh Initialization. ##
## -------------------- ##

# Be more Bourne compatible
DUALCASE=1; export DUALCASE # for MKS sh
if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
  emulate sh
  NULLCMD=:
  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '${1+"$@"}'='"$@"'
  setopt NO_GLOB_SUBST
else
  case `(set -o) 2>/dev/null` in #(
  *posix*) :
    set -o posix ;; #(
  *) :
     ;;
esac
fi


as_nl='
'
export as_nl
# Printing a long string crashes Solaris 7 /usr/bin/printf.
as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
# Prefer a ksh shell builtin over an external printf program on Solaris,
# but without wasting forks for bash or zsh.
if test -z "$BASH_VERSION$ZSH_VERSION" \
    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
  as_echo='print -r --'
  as_echo_n='print -rn --'
elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
  as_echo='printf %s\n'
  as_echo_n='printf %s'
else
  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
    as_echo_n='/usr/ucb/echo -n'
  else
    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
    as_echo_n_body='eval
      arg=$1;
      case $arg in #(
      *"$as_nl"*)
	expr "X$arg" : "X\\(.*\\)$as_nl";
	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
      esac;
      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
    '
    export as_echo_n_body
    as_echo_n='sh -c $as_echo_n_body as_echo'
  fi
  export as_echo_body
  as_echo='sh -c $as_echo_body as_echo'
fi

# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
  PATH_SEPARATOR=:
  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
      PATH_SEPARATOR=';'
  }
fi


# IFS
# We need space, tab and new line, in precisely that order.  Quoting is
# there to prevent editors from complaining about space-tab.
# (If _AS_PATH_WALK were called with IFS unset, it would disable word
# splitting by setting IFS to empty value.)
IFS=" ""	$as_nl"

# Find who we are.  Look in the path if we contain no directory separator.
as_myself=
case $0 in #((
  *[\\/]* ) as_myself=$0 ;;
  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
  done
IFS=$as_save_IFS

     ;;
esac
# We did not find ourselves, most probably we were run as `sh COMMAND'
# in which case we are not to be found in the path.
if test "x$as_myself" = x; then
  as_myself=$0
fi
if test ! -f "$as_myself"; then
  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
  exit 1
fi

# Unset variables that we do not need and which cause bugs (e.g. in
# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
# suppresses any "Segmentation fault" message there.  '((' could
# trigger a bug in pdksh 5.2.14.
for as_var in BASH_ENV ENV MAIL MAILPATH
do eval test x\${$as_var+set} = xset \
  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
done
PS1='$ '
PS2='> '
PS4='+ '

# NLS nuisances.
LC_ALL=C
export LC_ALL
LANGUAGE=C
export LANGUAGE

# CDPATH.
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH


# as_fn_error STATUS ERROR [LINENO LOG_FD]
# ----------------------------------------
# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
# script with STATUS, using 1 if that was 0.
as_fn_error ()
{
  as_status=$1; test $as_status -eq 0 && as_status=1
  if test "$4"; then
    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
  fi
  $as_echo "$as_me: error: $2" >&2
  as_fn_exit $as_status
} # as_fn_error


# as_fn_set_status STATUS
# -----------------------
# Set $? to STATUS, without forking.
as_fn_set_status ()
{
  return $1
} # as_fn_set_status

# as_fn_exit STATUS
# -----------------
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
as_fn_exit ()
{
  set +e
  as_fn_set_status $1
  exit $1
} # as_fn_exit

# as_fn_unset VAR
# ---------------
# Portably unset VAR.
as_fn_unset ()
{
  { eval $1=; unset $1;}
}
as_unset=as_fn_unset
# as_fn_append VAR VALUE
# ----------------------
# Append the text in VALUE to the end of the definition contained in VAR. Take
# advantage of any shell optimizations that allow amortized linear growth over
# repeated appends, instead of the typical quadratic growth present in naive
# implementations.
if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
  eval 'as_fn_append ()
  {
    eval $1+=\$2
  }'
else
  as_fn_append ()
  {
    eval $1=\$$1\$2
  }
fi # as_fn_append

# as_fn_arith ARG...
# ------------------
# Perform arithmetic evaluation on the ARGs, and store the result in the
# global $as_val. Take advantage of shells that can avoid forks. The arguments
# must be portable across $(()) and expr.
if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
  eval 'as_fn_arith ()
  {
    as_val=$(( $* ))
  }'
else
  as_fn_arith ()
  {
    as_val=`expr "$@" || test $? -eq 1`
  }
fi # as_fn_arith


if expr a : '\(a\)' >/dev/null 2>&1 &&
   test "X`expr 00001 : '.*\(...\)'`" = X001; then
  as_expr=expr
else
  as_expr=false
fi

if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
  as_basename=basename
else
  as_basename=false
fi

if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
  as_dirname=dirname
else
  as_dirname=false
fi

as_me=`$as_basename -- "$0" ||
$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
	 X"$0" : 'X\(//\)$' \| \
	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X/"$0" |
    sed '/^.*\/\([^/][^/]*\)\/*$/{
	    s//\1/
	    q
	  }
	  /^X\/\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\/\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`

# Avoid depending upon Character Ranges.
as_cr_letters='abcdefghijklmnopqrstuvwxyz'
as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
as_cr_Letters=$as_cr_letters$as_cr_LETTERS
as_cr_digits='0123456789'
as_cr_alnum=$as_cr_Letters$as_cr_digits

ECHO_C= ECHO_N= ECHO_T=
case `echo -n x` in #(((((
-n*)
  case `echo 'xy\c'` in
  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
  xy)  ECHO_C='\c';;
  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
       ECHO_T='	';;
  esac;;
*)
  ECHO_N='-n';;
esac

rm -f conf$$ conf$$.exe conf$$.file
if test -d conf$$.dir; then
  rm -f conf$$.dir/conf$$.file
else
  rm -f conf$$.dir
  mkdir conf$$.dir 2>/dev/null
fi
if (echo >conf$$.file) 2>/dev/null; then
  if ln -s conf$$.file conf$$ 2>/dev/null; then
    as_ln_s='ln -s'
    # ... but there are two gotchas:
    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
    # In both cases, we have to default to `cp -p'.
    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
      as_ln_s='cp -p'
  elif ln conf$$.file conf$$ 2>/dev/null; then
    as_ln_s=ln
  else
    as_ln_s='cp -p'
  fi
else
  as_ln_s='cp -p'
fi
rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
rmdir conf$$.dir 2>/dev/null


# as_fn_mkdir_p
# -------------
# Create "$as_dir" as a directory, including parents if necessary.
as_fn_mkdir_p ()
{

  case $as_dir in #(
  -*) as_dir=./$as_dir;;
  esac
  test -d "$as_dir" || eval $as_mkdir_p || {
    as_dirs=
    while :; do
      case $as_dir in #(
      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
      *) as_qdir=$as_dir;;
      esac
      as_dirs="'$as_qdir' $as_dirs"
      as_dir=`$as_dirname -- "$as_dir" ||
$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$as_dir" : 'X\(//\)[^/]' \| \
	 X"$as_dir" : 'X\(//\)$' \| \
	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$as_dir" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`
      test -d "$as_dir" && break
    done
    test -z "$as_dirs" || eval "mkdir $as_dirs"
  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"


} # as_fn_mkdir_p
if mkdir -p . 2>/dev/null; then
  as_mkdir_p='mkdir -p "$as_dir"'
else
  test -d ./-p && rmdir ./-p
  as_mkdir_p=false
fi

if test -x / >/dev/null 2>&1; then
  as_test_x='test -x'
else
  if ls -dL / >/dev/null 2>&1; then
    as_ls_L_option=L
  else
    as_ls_L_option=
  fi
  as_test_x='
    eval sh -c '\''
      if test -d "$1"; then
	test -d "$1/.";
      else
	case $1 in #(
	-*)set "./$1";;
	esac;
	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
	???[sx]*):;;*)false;;esac;fi
    '\'' sh
  '
fi
as_executable_p=$as_test_x

# Sed expression to map a string onto a valid CPP name.
as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"

# Sed expression to map a string onto a valid variable name.
as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"


exec 6>&1
## ----------------------------------- ##
## Main body of $CONFIG_STATUS script. ##
## ----------------------------------- ##
_ASEOF
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# Save the log message, to keep $0 and so on meaningful, and to
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by POV-Ray $as_me 3.7.0.RC5, which was
generated by GNU Autoconf 2.68.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
  CONFIG_HEADERS  = $CONFIG_HEADERS
  CONFIG_LINKS    = $CONFIG_LINKS
  CONFIG_COMMANDS = $CONFIG_COMMANDS
  $ $0 $@

on `(hostname || uname -n) 2>/dev/null | sed 1q`
"

_ACEOF

case $ac_config_files in *"
"*) set x $ac_config_files; shift; ac_config_files=$*;;
esac

case $ac_config_headers in *"
"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
esac


cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
# Files that config.status was made for.
config_files="$ac_config_files"
config_headers="$ac_config_headers"
config_commands="$ac_config_commands"

_ACEOF

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
ac_cs_usage="\
\`$as_me' instantiates files and other configuration actions
from templates according to the current configuration.  Unless the files
and actions are specified as TAGs, all are instantiated by default.

Usage: $0 [OPTION]... [TAG]...

  -h, --help       print this help, then exit
  -V, --version    print version number and configuration settings, then exit
      --config     print configuration, then exit
  -q, --quiet, --silent
                   do not print progress messages
  -d, --debug      don't remove temporary files
      --recheck    update $as_me by reconfiguring in the same conditions
      --file=FILE[:TEMPLATE]
                   instantiate the configuration file FILE
      --header=FILE[:TEMPLATE]
                   instantiate the configuration header FILE

Configuration files:
$config_files

Configuration headers:
$config_headers

Configuration commands:
$config_commands

Report bugs to <unix-bugreports-2011@povray.org>."

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
POV-Ray config.status 3.7.0.RC5
configured by $0, generated by GNU Autoconf 2.68,
  with options \\"\$ac_cs_config\\"

Copyright (C) 2010 Free Software Foundation, Inc.
This config.status script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it."

ac_pwd='$ac_pwd'
srcdir='$srcdir'
INSTALL='$INSTALL'
MKDIR_P='$MKDIR_P'
AWK='$AWK'
test -n "\$AWK" || AWK=awk
_ACEOF

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# The default lists apply if the user does not specify any file.
ac_need_defaults=:
while test $# != 0
do
  case $1 in
  --*=?*)
    ac_option=`expr "X$1" : 'X\([^=]*\)='`
    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
    ac_shift=:
    ;;
  --*=)
    ac_option=`expr "X$1" : 'X\([^=]*\)='`
    ac_optarg=
    ac_shift=:
    ;;
  *)
    ac_option=$1
    ac_optarg=$2
    ac_shift=shift
    ;;
  esac

  case $ac_option in
  # Handling of the options.
  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    ac_cs_recheck=: ;;
  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
    $as_echo "$ac_cs_version"; exit ;;
  --config | --confi | --conf | --con | --co | --c )
    $as_echo "$ac_cs_config"; exit ;;
  --debug | --debu | --deb | --de | --d | -d )
    debug=: ;;
  --file | --fil | --fi | --f )
    $ac_shift
    case $ac_optarg in
    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
    '') as_fn_error $? "missing file argument" ;;
    esac
    as_fn_append CONFIG_FILES " '$ac_optarg'"
    ac_need_defaults=false;;
  --header | --heade | --head | --hea )
    $ac_shift
    case $ac_optarg in
    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
    esac
    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
    ac_need_defaults=false;;
  --he | --h)
    # Conflict between --help and --header
    as_fn_error $? "ambiguous option: \`$1'
Try \`$0 --help' for more information.";;
  --help | --hel | -h )
    $as_echo "$ac_cs_usage"; exit ;;
  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil | --si | --s)
    ac_cs_silent=: ;;

  # This is an error.
  -*) as_fn_error $? "unrecognized option: \`$1'
Try \`$0 --help' for more information." ;;

  *) as_fn_append ac_config_targets " $1"
     ac_need_defaults=false ;;

  esac
  shift
done

ac_configure_extra_args=

if $ac_cs_silent; then
  exec 6>/dev/null
  ac_configure_extra_args="$ac_configure_extra_args --silent"
fi

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
if \$ac_cs_recheck; then
  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
  shift
  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
  CONFIG_SHELL='$SHELL'
  export CONFIG_SHELL
  exec "\$@"
fi

_ACEOF
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
exec 5>>config.log
{
  echo
  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
## Running $as_me. ##
_ASBOX
  $as_echo "$ac_log"
} >&5

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
#
# INIT-COMMANDS
#
AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"

_ACEOF

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1

# Handling of arguments.
for ac_config_target in $ac_config_targets
do
  case $ac_config_target in
    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
    "source/base/Makefile") CONFIG_FILES="$CONFIG_FILES source/base/Makefile" ;;
    "source/backend/Makefile") CONFIG_FILES="$CONFIG_FILES source/backend/Makefile" ;;
    "source/frontend/Makefile") CONFIG_FILES="$CONFIG_FILES source/frontend/Makefile" ;;
    "source/Makefile") CONFIG_FILES="$CONFIG_FILES source/Makefile" ;;
    "vfe/Makefile") CONFIG_FILES="$CONFIG_FILES vfe/Makefile" ;;
    "unix/Makefile") CONFIG_FILES="$CONFIG_FILES unix/Makefile" ;;

  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
  esac
done


# If the user did not use the arguments to specify the items to instantiate,
# then the envvar interface is used.  Set only those that are not.
# We use the long form for the default assignment because of an extremely
# bizarre bug on SunOS 4.1.3.
if $ac_need_defaults; then
  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
fi

# Have a temporary directory for convenience.  Make it in the build tree
# simply because there is no reason against having it here, and in addition,
# creating and moving files from /tmp can sometimes cause problems.
# Hook for its removal unless debugging.
# Note that there is a small window in which the directory will not be cleaned:
# after its creation but before its name has been assigned to `$tmp'.
$debug ||
{
  tmp= ac_tmp=
  trap 'exit_status=$?
  : "${ac_tmp:=$tmp}"
  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
' 0
  trap 'as_fn_exit 1' 1 2 13 15
}
# Create a (secure) tmp directory for tmp files.

{
  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
  test -d "$tmp"
}  ||
{
  tmp=./conf$$-$RANDOM
  (umask 077 && mkdir "$tmp")
} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
ac_tmp=$tmp

# Set up the scripts for CONFIG_FILES section.
# No need to generate them if there are no CONFIG_FILES.
# This happens for instance with `./config.status config.h'.
if test -n "$CONFIG_FILES"; then


ac_cr=`echo X | tr X '\015'`
# On cygwin, bash can eat \r inside `` if the user requested igncr.
# But we know of no other shell where ac_cr would be empty at this
# point, so we can use a bashism as a fallback.
if test "x$ac_cr" = x; then
  eval ac_cr=\$\'\\r\'
fi
ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
  ac_cs_awk_cr='\\r'
else
  ac_cs_awk_cr=$ac_cr
fi

echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
_ACEOF


{
  echo "cat >conf$$subs.awk <<_ACEOF" &&
  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
  echo "_ACEOF"
} >conf$$subs.sh ||
  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
ac_delim='%!_!# '
for ac_last_try in false false false false false :; do
  . ./conf$$subs.sh ||
    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5

  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
  if test $ac_delim_n = $ac_delim_num; then
    break
  elif $ac_last_try; then
    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
  else
    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
  fi
done
rm -f conf$$subs.sh

cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
_ACEOF
sed -n '
h
s/^/S["/; s/!.*/"]=/
p
g
s/^[^!]*!//
:repl
t repl
s/'"$ac_delim"'$//
t delim
:nl
h
s/\(.\{148\}\)..*/\1/
t more1
s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
p
n
b repl
:more1
s/["\\]/\\&/g; s/^/"/; s/$/"\\/
p
g
s/.\{148\}//
t nl
:delim
h
s/\(.\{148\}\)..*/\1/
t more2
s/["\\]/\\&/g; s/^/"/; s/$/"/
p
b
:more2
s/["\\]/\\&/g; s/^/"/; s/$/"\\/
p
g
s/.\{148\}//
t delim
' <conf$$subs.awk | sed '
/^[^""]/{
  N
  s/\n//
}
' >>$CONFIG_STATUS || ac_write_fail=1
rm -f conf$$subs.awk
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
_ACAWK
cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
  for (key in S) S_is_set[key] = 1
  FS = ""

}
{
  line = $ 0
  nfields = split(line, field, "@")
  substed = 0
  len = length(field[1])
  for (i = 2; i < nfields; i++) {
    key = field[i]
    keylen = length(key)
    if (S_is_set[key]) {
      value = S[key]
      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
      len += length(value) + length(field[++i])
      substed = 1
    } else
      len += 1 + keylen
  }

  print line
}

_ACAWK
_ACEOF
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
else
  cat
fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
_ACEOF

# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
# trailing colons and then remove the whole line if VPATH becomes empty
# (actually we leave an empty line to preserve line numbers).
if test "x$srcdir" = x.; then
  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
h
s///
s/^/:/
s/[	 ]*$/:/
s/:\$(srcdir):/:/g
s/:\${srcdir}:/:/g
s/:@srcdir@:/:/g
s/^:*//
s/:*$//
x
s/\(=[	 ]*\).*/\1/
G
s/\n//
s/^[^=]*=[	 ]*$//
}'
fi

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
fi # test -n "$CONFIG_FILES"

# Set up the scripts for CONFIG_HEADERS section.
# No need to generate them if there are no CONFIG_HEADERS.
# This happens for instance with `./config.status Makefile'.
if test -n "$CONFIG_HEADERS"; then
cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
BEGIN {
_ACEOF

# Transform confdefs.h into an awk script `defines.awk', embedded as
# here-document in config.status, that substitutes the proper values into
# config.h.in to produce config.h.

# Create a delimiter string that does not exist in confdefs.h, to ease
# handling of long lines.
ac_delim='%!_!# '
for ac_last_try in false false :; do
  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
  if test -z "$ac_tt"; then
    break
  elif $ac_last_try; then
    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
  else
    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
  fi
done

# For the awk script, D is an array of macro values keyed by name,
# likewise P contains macro parameters if any.  Preserve backslash
# newline sequences.

ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
sed -n '
s/.\{148\}/&'"$ac_delim"'/g
t rset
:rset
s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
t def
d
:def
s/\\$//
t bsnl
s/["\\]/\\&/g
s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
D["\1"]=" \3"/p
s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
d
:bsnl
s/["\\]/\\&/g
s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
D["\1"]=" \3\\\\\\n"\\/p
t cont
s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
t cont
d
:cont
n
s/.\{148\}/&'"$ac_delim"'/g
t clear
:clear
s/\\$//
t bsnlc
s/["\\]/\\&/g; s/^/"/; s/$/"/p
d
:bsnlc
s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
b cont
' <confdefs.h | sed '
s/'"$ac_delim"'/"\\\
"/g' >>$CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  for (key in D) D_is_set[key] = 1
  FS = ""
}
/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
  line = \$ 0
  split(line, arg, " ")
  if (arg[1] == "#") {
    defundef = arg[2]
    mac1 = arg[3]
  } else {
    defundef = substr(arg[1], 2)
    mac1 = arg[2]
  }
  split(mac1, mac2, "(") #)
  macro = mac2[1]
  prefix = substr(line, 1, index(line, defundef) - 1)
  if (D_is_set[macro]) {
    # Preserve the white space surrounding the "#".
    print prefix "define", macro P[macro] D[macro]
    next
  } else {
    # Replace #undef with comments.  This is necessary, for example,
    # in the case of _POSIX_SOURCE, which is predefined and required
    # on some systems where configure will not decide to define it.
    if (defundef == "undef") {
      print "/*", prefix defundef, macro, "*/"
      next
    }
  }
}
{ print }
_ACAWK
_ACEOF
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
fi # test -n "$CONFIG_HEADERS"


eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
shift
for ac_tag
do
  case $ac_tag in
  :[FHLC]) ac_mode=$ac_tag; continue;;
  esac
  case $ac_mode$ac_tag in
  :[FHL]*:*);;
  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
  :[FH]-) ac_tag=-:-;;
  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
  esac
  ac_save_IFS=$IFS
  IFS=:
  set x $ac_tag
  IFS=$ac_save_IFS
  shift
  ac_file=$1
  shift

  case $ac_mode in
  :L) ac_source=$1;;
  :[FH])
    ac_file_inputs=
    for ac_f
    do
      case $ac_f in
      -) ac_f="$ac_tmp/stdin";;
      *) # Look for the file first in the build tree, then in the source tree
	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
	 # because $ac_f cannot contain `:'.
	 test -f "$ac_f" ||
	   case $ac_f in
	   [\\/$]*) false;;
	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
	   esac ||
	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
      esac
      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
      as_fn_append ac_file_inputs " '$ac_f'"
    done

    # Let's still pretend it is `configure' which instantiates (i.e., don't
    # use $as_me), people would be surprised to read:
    #    /* config.h.  Generated by config.status.  */
    configure_input='Generated from '`
	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
	`' by configure.'
    if test x"$ac_file" != x-; then
      configure_input="$ac_file.  $configure_input"
      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
$as_echo "$as_me: creating $ac_file" >&6;}
    fi
    # Neutralize special characters interpreted by sed in replacement strings.
    case $configure_input in #(
    *\&* | *\|* | *\\* )
       ac_sed_conf_input=`$as_echo "$configure_input" |
       sed 's/[\\\\&|]/\\\\&/g'`;; #(
    *) ac_sed_conf_input=$configure_input;;
    esac

    case $ac_tag in
    *:-:* | *:-) cat >"$ac_tmp/stdin" \
      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
    esac
    ;;
  esac

  ac_dir=`$as_dirname -- "$ac_file" ||
$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$ac_file" : 'X\(//\)[^/]' \| \
	 X"$ac_file" : 'X\(//\)$' \| \
	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$ac_file" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`
  as_dir="$ac_dir"; as_fn_mkdir_p
  ac_builddir=.

case "$ac_dir" in
.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
*)
  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
  # A ".." for each directory in $ac_dir_suffix.
  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
  case $ac_top_builddir_sub in
  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
  esac ;;
esac
ac_abs_top_builddir=$ac_pwd
ac_abs_builddir=$ac_pwd$ac_dir_suffix
# for backward compatibility:
ac_top_builddir=$ac_top_build_prefix

case $srcdir in
  .)  # We are building in place.
    ac_srcdir=.
    ac_top_srcdir=$ac_top_builddir_sub
    ac_abs_top_srcdir=$ac_pwd ;;
  [\\/]* | ?:[\\/]* )  # Absolute name.
    ac_srcdir=$srcdir$ac_dir_suffix;
    ac_top_srcdir=$srcdir
    ac_abs_top_srcdir=$srcdir ;;
  *) # Relative name.
    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
    ac_top_srcdir=$ac_top_build_prefix$srcdir
    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
esac
ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix


  case $ac_mode in
  :F)
  #
  # CONFIG_FILE
  #

  case $INSTALL in
  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
  esac
  ac_MKDIR_P=$MKDIR_P
  case $MKDIR_P in
  [\\/$]* | ?:[\\/]* ) ;;
  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
  esac
_ACEOF

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# If the template does not know about datarootdir, expand it.
# FIXME: This hack should be removed a few years after 2.60.
ac_datarootdir_hack=; ac_datarootdir_seen=
ac_sed_dataroot='
/datarootdir/ {
  p
  q
}
/@datadir@/p
/@docdir@/p
/@infodir@/p
/@localedir@/p
/@mandir@/p'
case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
*datarootdir*) ac_datarootdir_seen=yes;;
*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
  ac_datarootdir_hack='
  s&@datadir@&$datadir&g
  s&@docdir@&$docdir&g
  s&@infodir@&$infodir&g
  s&@localedir@&$localedir&g
  s&@mandir@&$mandir&g
  s&\\\${datarootdir}&$datarootdir&g' ;;
esac
_ACEOF

# Neutralize VPATH when `$srcdir' = `.'.
# Shell code in configure.ac might set extrasub.
# FIXME: do we really want to maintain this feature?
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_sed_extra="$ac_vpsub
$extrasub
_ACEOF
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
:t
/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
s|@configure_input@|$ac_sed_conf_input|;t t
s&@top_builddir@&$ac_top_builddir_sub&;t t
s&@top_build_prefix@&$ac_top_build_prefix&;t t
s&@srcdir@&$ac_srcdir&;t t
s&@abs_srcdir@&$ac_abs_srcdir&;t t
s&@top_srcdir@&$ac_top_srcdir&;t t
s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
s&@builddir@&$ac_builddir&;t t
s&@abs_builddir@&$ac_abs_builddir&;t t
s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
s&@INSTALL@&$ac_INSTALL&;t t
s&@MKDIR_P@&$ac_MKDIR_P&;t t
$ac_datarootdir_hack
"
eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5

test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
      "$ac_tmp/out"`; test -z "$ac_out"; } &&
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
which seems to be undefined.  Please make sure it is defined" >&5
$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
which seems to be undefined.  Please make sure it is defined" >&2;}

  rm -f "$ac_tmp/stdin"
  case $ac_file in
  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
  esac \
  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 ;;
  :H)
  #
  # CONFIG_HEADER
  #
  if test x"$ac_file" != x-; then
    {
      $as_echo "/* $configure_input  */" \
      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
    } >"$ac_tmp/config.h" \
      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
$as_echo "$as_me: $ac_file is unchanged" >&6;}
    else
      rm -f "$ac_file"
      mv "$ac_tmp/config.h" "$ac_file" \
	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
    fi
  else
    $as_echo "/* $configure_input  */" \
      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
      || as_fn_error $? "could not create -" "$LINENO" 5
  fi
# Compute "$ac_file"'s index in $config_headers.
_am_arg="$ac_file"
_am_stamp_count=1
for _am_header in $config_headers :; do
  case $_am_header in
    $_am_arg | $_am_arg:* )
      break ;;
    * )
      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  esac
done
echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$_am_arg" : 'X\(//\)[^/]' \| \
	 X"$_am_arg" : 'X\(//\)$' \| \
	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$_am_arg" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`/stamp-h$_am_stamp_count
 ;;

  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
$as_echo "$as_me: executing $ac_file commands" >&6;}
 ;;
  esac


  case $ac_file$ac_mode in
    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
  # Autoconf 2.62 quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
  case $CONFIG_FILES in
  *\'*) eval set x "$CONFIG_FILES" ;;
  *)   set x $CONFIG_FILES ;;
  esac
  shift
  for mf
  do
    # Strip MF so we end up with the name of the file.
    mf=`echo "$mf" | sed -e 's/:.*$//'`
    # Check whether this is an Automake generated Makefile or not.
    # We used to match only the files named `Makefile.in', but
    # some people rename them; so instead we look at the file content.
    # Grep'ing the first line is not enough: some people post-process
    # each Makefile.in and add a new line on top of each file to say so.
    # Grep'ing the whole file is not good either: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
      dirpart=`$as_dirname -- "$mf" ||
$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$mf" : 'X\(//\)[^/]' \| \
	 X"$mf" : 'X\(//\)$' \| \
	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$mf" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`
    else
      continue
    fi
    # Extract the definition of DEPDIR, am__include, and am__quote
    # from the Makefile without running `make'.
    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
    test -z "$DEPDIR" && continue
    am__include=`sed -n 's/^am__include = //p' < "$mf"`
    test -z "am__include" && continue
    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
    # When using ansi2knr, U may be empty or an underscore; expand it
    U=`sed -n 's/^U = //p' < "$mf"`
    # Find all dependency output files, they are included files with
    # $(DEPDIR) in their names.  We invoke sed twice because it is the
    # simplest approach to changing $(DEPDIR) to its actual value in the
    # expansion.
    for file in `sed -n "
      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
      # Make sure the directory exists.
      test -f "$dirpart/$file" && continue
      fdir=`$as_dirname -- "$file" ||
$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$file" : 'X\(//\)[^/]' \| \
	 X"$file" : 'X\(//\)$' \| \
	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$file" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)[^/].*/{
	    s//\1/
	    q
	  }
	  /^X\(\/\/\)$/{
	    s//\1/
	    q
	  }
	  /^X\(\/\).*/{
	    s//\1/
	    q
	  }
	  s/.*/./; q'`
      as_dir=$dirpart/$fdir; as_fn_mkdir_p
      # echo "creating $dirpart/$file"
      echo '# dummy' > "$dirpart/$file"
    done
  done
}
 ;;

  esac
done # for ac_tag


as_fn_exit 0
_ACEOF
ac_clean_files=$ac_clean_files_save

test $ac_write_fail = 0 ||
  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5


# configure is writing to config.log, and then calls config.status.
# config.status does its own redirection, appending to config.log.
# Unfortunately, on DOS this fails, as config.log is still kept open
# by configure, so config.status won't be able to write to it; its
# output is simply discarded.  So we exec the FD to /dev/null,
# effectively closing config.log, so it can be properly (re)opened and
# appended to by config.status.  When coming back to configure, we
# need to make the FD available again.
if test "$no_create" != yes; then
  ac_cs_success=:
  ac_config_status_args=
  test "$silent" = yes &&
    ac_config_status_args="$ac_config_status_args --quiet"
  exec 5>/dev/null
  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
  exec 5>>config.log
  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
  # would make configure fail if this is the last instruction.
  $ac_cs_success || as_fn_exit 1
fi
if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
fi



###############################################################################

# recursively expand the following variables for displaying
for i in bindir sysconfdir datadir mandir
do
  eval povtemp=\$$i
  while test x"$povtemp" != x"$oldpovtemp"
  do
    oldpovtemp=$povtemp
    eval povtemp=$povtemp
  done
  eval pov$i=$povtemp
done

{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
===============================================================================
$PACKAGE_NAME $PACKAGE_VERSION has been configured.
" >&5
$as_echo "
===============================================================================
$PACKAGE_NAME $PACKAGE_VERSION has been configured.
" >&6; }

if test x"$pov_no_distrib" = x"yes"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: the resulting binary is NOT REDISTRIBUTABLE.
" >&5
$as_echo "$as_me: WARNING: the resulting binary is NOT REDISTRIBUTABLE.
" >&2;}
fi

if test x"$pov_warn_path" != x""; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: configure has detected that the list of search paths
specified by the following environment variable(s)
 $pov_warn_path
erroneously contain the \".\" directory, which may cause a build failure.
In order to build POV-Ray successfully, the package has been configured
with all \".\" directory entries removed from the variables above.  You're
strongly advised to correct your configuration accordingly.
" >&5
$as_echo "$as_me: WARNING: configure has detected that the list of search paths
specified by the following environment variable(s)
 $pov_warn_path
erroneously contain the \".\" directory, which may cause a build failure.
In order to build POV-Ray successfully, the package has been configured
with all \".\" directory entries removed from the variables above.  You're
strongly advised to correct your configuration accordingly.
" >&2;}
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Built-in features:
  I/O restrictions:          ${pov_io_msg}
  X Window display:          ${pov_xwin_msg}
  Supported image formats:   $pov_img_fmt_builtin $pov_img_fmt_enabled
  Unsupported image formats: $pov_img_fmt_disabled

Compilation settings:
  Build architecture:  $build
  Built/Optimized for: $pov_built_for
  Compiler vendor:     $pov_compiler_vendor
  Compiler version:    $pov_compiler_version
  Compiler flags:      $CXXFLAGS

Type 'make check' to build the program and run a test render.
Type 'make install' to install $PACKAGE_NAME on your system.

The $PACKAGE_NAME components will be installed in the following directories:
  Program (executable):       ${povbindir}
  System configuration files: ${povsysconfdir}/$PACKAGE/$VERSION_BASE
  User configuration files:   ${HOME}/.$PACKAGE/$VERSION_BASE
  Standard include files:     ${povdatadir}/$PACKAGE-$VERSION_BASE/include
  Standard INI files:         ${povdatadir}/$PACKAGE-$VERSION_BASE/ini
  Standard demo scene files:  ${povdatadir}/$PACKAGE-$VERSION_BASE/scenes
  Documentation (text, HTML): ${povdatadir}/doc/$PACKAGE-$VERSION_BASE
  Unix man page:              ${povmandir}
===============================================================================
" >&5
$as_echo "Built-in features:
  I/O restrictions:          ${pov_io_msg}
  X Window display:          ${pov_xwin_msg}
  Supported image formats:   $pov_img_fmt_builtin $pov_img_fmt_enabled
  Unsupported image formats: $pov_img_fmt_disabled

Compilation settings:
  Build architecture:  $build
  Built/Optimized for: $pov_built_for
  Compiler vendor:     $pov_compiler_vendor
  Compiler version:    $pov_compiler_version
  Compiler flags:      $CXXFLAGS

Type 'make check' to build the program and run a test render.
Type 'make install' to install $PACKAGE_NAME on your system.

The $PACKAGE_NAME components will be installed in the following directories:
  Program (executable):       ${povbindir}
  System configuration files: ${povsysconfdir}/$PACKAGE/$VERSION_BASE
  User configuration files:   ${HOME}/.$PACKAGE/$VERSION_BASE
  Standard include files:     ${povdatadir}/$PACKAGE-$VERSION_BASE/include
  Standard INI files:         ${povdatadir}/$PACKAGE-$VERSION_BASE/ini
  Standard demo scene files:  ${povdatadir}/$PACKAGE-$VERSION_BASE/scenes
  Documentation (text, HTML): ${povdatadir}/doc/$PACKAGE-$VERSION_BASE
  Unix man page:              ${povmandir}
===============================================================================
" >&6; }