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# -*- Autoconf -*-
# %CopyrightBegin%
#
# Copyright Ericsson AB 2000-2011. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
# compliance with the License. You should have received a copy of the
# Erlang Public License along with this software. If not, it can be
# retrieved online at http://www.erlang.org/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# %CopyrightEnd%
#
# Process this file with autoconf to produce a configure script.
# The starting point for this file was the output from 'autoscan'.
# Strange, VxWorks HAVE_SENS not set here, see "ei_resolve.h"
# Find the erl_interface version number and set m4 macro to it.
# We do this because AC_INIT can't handle shell variables. Still broken.
dnl m4_define(EI_VERSION,`grep EI_VSN ../vsn.mk | sed 's/^.*=[ ]*//'`)
dnl m4_define(EI_VERSION,regexp(m4_include(VERSION),[version \([-.0-9A-Za-z]+\)],[\1]))
AC_INIT()
if test "x$no_recursion" != "xyes" -a "x$OVERRIDE_CONFIG_CACHE" = "x"; then
# We do not want to use a common cache!
cache_file=/dev/null
fi
dnl How to set srcdir absolute is taken from the GNU Emacs distribution
#### Make srcdir absolute, if it isn't already. It's important to
#### avoid running the path through pwd unnecessary, since pwd can
#### give you automounter prefixes, which can go away.
case "${srcdir}" in
/* ) ;;
. )
## We may be able to use the $PWD environment variable to make this
## absolute. But sometimes PWD is inaccurate.
## Make sure CDPATH doesn't affect cd (in case PWD is relative).
CDPATH=
if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
then
srcdir="$PWD"
else
srcdir="`(cd ${srcdir}; pwd)`"
fi
;;
* ) srcdir="`(cd ${srcdir}; pwd)`" ;;
esac
AC_CONFIG_AUX_DIR([$srcdir/src/auxdir])
if test "X$host" != "Xfree_source" -a "X$host" != "Xwin32"; then
AC_CANONICAL_HOST
else
host_os=win32
fi
TARGET=$host
AC_SUBST(TARGET)
AC_CONFIG_HEADER([src/$host/config.h:config.h.in])
dnl ----------------------------------------------------------------------
dnl Optional features
dnl ----------------------------------------------------------------------
# Use --disable-threads to force building single threaded libs even
# if pthreads exists (for test purposes).
AC_ARG_ENABLE(threads,
[ --disable-threads use to only build single threaded libs],
[ case "$enableval" in
no) threads_disabled=yes ;;
*) threads_disabled=no ;;
esac ],
[ threads_disabled=no ])
dnl ----------------------------------------------------------------------
dnl Checks for programs
dnl ----------------------------------------------------------------------
AC_PROG_CC
AC_PROG_CPP
dnl AC_PROG_LIBTOOL
AC_PROG_RANLIB
AC_CHECK_PROGS(LD, ld.sh)
AC_CHECK_TOOL(LD, ld, '$(CC)')
AC_SUBST(LD)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
if test $ac_cv_sizeof_void_p = 8; then
CFLAGS="$CFLAGS -DEI_64BIT"
fi
AC_CHECK_TOOL(AR, ar, false)
if test "$AR" = false; then
AC_MSG_ERROR([No 'ar' command found in PATH])
fi
dnl
dnl We can live with Solaris /usr/ucb/install
dnl
case $host in
*-*-solaris*|free_source)
if test -x /usr/ucb/install; then
INSTALL="/usr/ucb/install -c"
fi
;;
*)
;;
esac
AC_PROG_INSTALL
LM_PROG_INSTALL_DIR
AC_SUBST(INSTALL_DIR)
case $host_os in
darwin*)
dnl Need to preserve modification time on archives;
dnl otherwise, ranlib has to be run on archives
dnl again after installation.
INSTALL_DATA="$INSTALL_DATA -p";;
*)
;;
esac
# Checks for libraries.
AC_CHECK_LIB([nsl], [gethostbyname])
AC_CHECK_LIB([socket], [getpeername])
# Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h malloc.h netdb.h netinet/in.h stddef.h stdlib.h string.h sys/param.h sys/socket.h sys/select.h sys/time.h unistd.h sys/types.h])
# Checks for typedefs, structures, and compiler characteristics.
# fixme AC_C_CONST & AC_C_VOLATILE needed for Windows?
dnl AC_C_CONST
dnl AC_C_VOLATILE
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_MSG_CHECKING([for socklen_t usability])
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t mylen;],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SOCKLEN_T, [], [Define if you have the `socklen_t' type])],
[AC_MSG_RESULT(no)])
# Checks for library functions.
AC_FUNC_ALLOCA
dnl AC_FUNC_FORK
# FIXME check that this isn't set in normal cases
AC_PROG_GCC_TRADITIONAL
# Check if malloc(0) is ok
dnl AC_FUNC_MALLOC
dnl AC_FUNC_REALLOC
AC_FUNC_MEMCMP
dnl AC_FUNC_SELECT_ARGTYPES
dnl AC_TYPE_SIGNAL
dnl AC_FUNC_STRERROR_R
dnl AC_FUNC_VPRINTF
AC_CHECK_FUNCS([dup2 gethostbyaddr gethostbyname \
gethostbyaddr_r \
gethostbyname_r gethostname writev \
gethrtime gettimeofday inet_ntoa memchr memmove memset select \
socket strchr strerror strrchr strstr uname])
AC_CHECK_FUNC(res_gethostbyname, [],
AC_CHECK_LIB(resolv, res_gethostbyname)
)
AC_CHECK_FUNC(clock_gettime, [],
AC_CHECK_LIB(rt, clock_gettime)
)
# ---------------------------------------------------------------------------
# We don't link against libgmp except for "make check"
# but linking will also tell us that it is >= 4.1
# ---------------------------------------------------------------------------
AC_ARG_WITH(gmp,
[ --with-gmp=PATH specify location of GNU MP include and lib
--with-gmp use GNU MP (will search for it)])
# We don't just want any GNU MP version, we want 4.1 or later
# that contain the import/export functions we need.
if test "x$with_gmp" = "xyes" ;then
for dir in /usr /usr/pkg /usr/local /usr/local/gmp /usr/lib/gmp /usr/gmp; do
AC_CHECK_HEADER($dir/include/gmp.h, ac_cv_gmp=yes, ac_cv_gmp=no)
if test $ac_cv_gmp = yes ; then
CFLAGS="$CFLAGS -I$dir/include -L$dir/lib"
AC_DEFINE(HAVE_GMP_H, [], [Define if you have "gmp.h"])
break
fi
done
if test $ac_cv_gmp = no ; then
AC_MSG_ERROR([No GNU MP installation found])
fi
AC_CHECK_LIB(gmp, __gmpz_export)
# FIXME return ERROR if no lib
elif test "x$with_gmp" != "xno" -a -n "$with_gmp" ;then
# Option given with PATH to package
AC_MSG_CHECKING(for GNU MP)
if test ! -d "$with_gmp" ; then
AC_MSG_ERROR(Invalid path to option --with-gmp=PATH)
fi
AC_MSG_RESULT(yes)
CFLAGS="$CFLAGS -I$with_gmp/include -L$with_gmp/lib"
AC_DEFINE(HAVE_GMP_H, [], [Define if you have "gmp.h"])
AC_CHECK_LIB(gmp, __gmpz_export)
# FIXME return ERROR if no lib
fi
LM_WINDOWS_ENVIRONMENT
dnl
dnl Threads
dnl
THR_LIBS=
THR_DEFS=
AC_SUBST(THR_LIBS)
AC_SUBST(THR_DEFS)
AC_SUBST(EI_THREADS)
case "$threads_disabled" in
no)
LM_CHECK_THR_LIB
case "$THR_LIB_NAME" in
"")
EI_THREADS="false"
;;
win32_threads)
EI_THREADS="true"
THR_DEFS="$THR_DEFS -D_WIN32_WINNT=0x0500 -DWINVER=0x0500"
;;
pthread)
EI_THREADS="true"
;;
*)
EI_THREADS="true"
AC_MSG_WARN([Unexpected thread library: $THR_LIB_NAME])
;;
esac
;;
yes)
# Threads disabled
EI_THREADS="false"
;;
esac
# ---------------------------------------------------------------------------
# Warning flags to the C compiler
# ---------------------------------------------------------------------------
AC_SUBST(WFLAGS)
if test "x$GCC" = xyes; then
WFLAGS="-Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline"
# check which GCC version
GCC_VERSION=`$CC -v 2>&1 | sed -n 's/gcc version //p'`
# GCC 3.3 and later supports C99 strict aliasing
# until all source is compliant with strict aliasing we disable it
case "$GCC_VERSION" in
1*) ;;
2*) ;;
3.0*) ;;
3.1*) ;;
3.2*) ;;
*)
WFLAGS="$WFLAGS -fno-strict-aliasing";;
esac
else
WFLAGS=""
fi
# ---------------------------------------------------------------------------
# FIXME We want to use libtool but until then....
# ---------------------------------------------------------------------------
AC_SUBST(LIB_CFLAGS)
if test "X$host" = "Xwin32"; then
LIB_CFLAGS="$CFLAGS"
else
if test "x$GCC" = xyes; then
LIB_CFLAGS="$CFLAGS -fPIC"
else
LIB_CFLAGS="$CFLAGS"
fi
fi
# ---------------------------------------------------------------------------
# XXX
# ---------------------------------------------------------------------------
AC_OUTPUT(
src/$host/Makefile:src/Makefile.in
src/$host/eidefs.mk:src/eidefs.mk.in
)
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