/
aclocal.m4
1724 lines (1554 loc) · 51.3 KB
/
aclocal.m4
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# Extra autoconf macros for the Glasgow fptools
#
# To be a good autoconf citizen, names of local macros have prefixed with FP_ to
# ensure we don't clash with any pre-supplied autoconf ones.
# FPTOOLS_SET_PLATFORM_VARS
# ----------------------------------
# Set the platform variables
AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS],
[
# If no argument was given for a configuration variable, then discard
# the guessed canonical system and use the configuration of the
# bootstrapping ghc. If an argument was given, map it from gnu format
# to ghc format.
#
# For why we do it this way, see: #3637, #1717, #2951
#
# In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET}
# so this justs uses $bootstrap_target.
if test "$build_alias" = ""
then
if test "$bootstrap_target" != ""
then
build=$bootstrap_target
echo "Build platform inferred as: $build"
else
echo "Can't work out build platform"
exit 1
fi
BuildArch=`echo "$build" | sed 's/-.*//'`
BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
BuildOS=`echo "$build" | sed 's/.*-//'`
else
GHC_CONVERT_CPU([$build_cpu], [BuildArch])
GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
GHC_CONVERT_OS([$build_os], [BuildOS])
fi
if test "$host_alias" = ""
then
if test "$bootstrap_target" != ""
then
host=$bootstrap_target
echo "Host platform inferred as: $host"
else
echo "Can't work out host platform"
exit 1
fi
HostArch=`echo "$host" | sed 's/-.*//'`
HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
HostOS=`echo "$host" | sed 's/.*-//'`
else
GHC_CONVERT_CPU([$host_cpu], [HostArch])
GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
GHC_CONVERT_OS([$host_os], [HostOS])
fi
if test "$target_alias" = ""
then
if test "$bootstrap_target" != ""
then
target=$bootstrap_target
echo "Target platform inferred as: $target"
else
echo "Can't work out target platform"
exit 1
fi
TargetArch=`echo "$target" | sed 's/-.*//'`
TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
TargetOS=`echo "$target" | sed 's/.*-//'`
else
GHC_CONVERT_CPU([$target_cpu], [TargetArch])
GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
GHC_CONVERT_OS([$target_os], [TargetOS])
fi
windows=NO
exeext=''
soext='.so'
case $host in
*-unknown-cygwin32)
AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
exit 1
;;
*-unknown-mingw32)
windows=YES
exeext='.exe'
soext='.dll'
;;
i386-apple-darwin|powerpc-apple-darwin)
soext='.dylib'
;;
x86_64-apple-darwin)
soext='.dylib'
;;
esac
checkArch() {
case [$]1 in
alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|s390x|sparc|sparc64|vax|x86_64)
;;
*)
echo "Unknown arch [$]1"
exit 1
;;
esac
}
checkVendor() {
case [$]1 in
dec|unknown|hp|apple|next|sun|sgi|ibm)
;;
*)
echo "Unknown vendor [$]1"
exit 1
;;
esac
}
checkOS() {
case [$]1 in
linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
;;
*)
echo "Unknown OS '[$]1'"
exit 1
;;
esac
}
BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
checkArch "$BuildArch"
checkVendor "$BuildVendor"
checkOS "$BuildOS"
HostPlatform="$HostArch-$HostVendor-$HostOS"
HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
checkArch "$HostArch"
checkVendor "$HostVendor"
checkOS "$HostOS"
TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
checkArch "$TargetArch"
checkVendor "$TargetVendor"
checkOS "$TargetOS"
echo "GHC build : $BuildPlatform"
echo "GHC host : $HostPlatform"
echo "GHC target : $TargetPlatform"
AC_SUBST(BuildPlatform)
AC_SUBST(HostPlatform)
AC_SUBST(TargetPlatform)
AC_SUBST(HostPlatform_CPP)
AC_SUBST(BuildPlatform_CPP)
AC_SUBST(TargetPlatform_CPP)
AC_SUBST(HostArch_CPP)
AC_SUBST(BuildArch_CPP)
AC_SUBST(TargetArch_CPP)
AC_SUBST(HostOS_CPP)
AC_SUBST(BuildOS_CPP)
AC_SUBST(TargetOS_CPP)
AC_SUBST(HostVendor_CPP)
AC_SUBST(BuildVendor_CPP)
AC_SUBST(TargetVendor_CPP)
AC_SUBST(exeext)
AC_SUBST(soext)
])
# FP_SETTINGS
# ----------------------------------
# Set the variables used in the settings file
AC_DEFUN([FP_SETTINGS],
[
if test "$windows" = YES
then
SettingsCCompilerCommand='$topdir/../mingw/bin/gcc.exe'
SettingsCCompilerFlags=''
SettingsPerlCommand='$topdir/../perl/perl.exe'
SettingsDllWrapCommand='$topdir/../mingw/bin/dllwrap.exe'
SettingsWindresCommand='$topdir/../mingw/bin/windres.exe'
SettingsTouchCommand='$topdir/touchy.exe'
else
SettingsCCompilerCommand="$WhatGccIsCalled"
SettingsCCompilerFlags="$CONF_CC_OPTS_STAGE2"
SettingsPerlCommand="$PerlCmd"
SettingsDllWrapCommand="/bin/false"
SettingsWindresCommand="/bin/false"
SettingsTouchCommand='touch'
fi
AC_SUBST(SettingsCCompilerCommand)
AC_SUBST(SettingsCCompilerFlags)
AC_SUBST(SettingsPerlCommand)
AC_SUBST(SettingsDllWrapCommand)
AC_SUBST(SettingsWindresCommand)
AC_SUBST(SettingsTouchCommand)
])
# FPTOOLS_SET_C_LD_FLAGS
# ----------------------------------
# Set the C, LD and CPP flags for a given platform
# $1 is the platform
# $2 is the name of the CC flags variable
# $3 is the name of the linker flags variable when linking with gcc
# $4 is the name of the linker flags variable when linking with ld
# $5 is the name of the CPP flags variable
AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
[
AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
case $$1 in
i386-apple-darwin)
$2="$$2 -m32"
$3="$$3 -m32"
$4="$$4 -arch i386"
$5="$$5 -m32"
;;
x86_64-apple-darwin)
$2="$$2 -m64"
$3="$$3 -m64"
$4="$$4 -arch x86_64"
$5="$$5 -m64"
;;
alpha-*)
# For now, to suppress the gcc warning "call-clobbered
# register used for global register variable", we simply
# disable all warnings altogether using the -w flag. Oh well.
$2="$$2 -w -mieee -D_REENTRANT"
$3="$$3 -w -mieee -D_REENTRANT"
$5="$$5 -w -mieee -D_REENTRANT"
;;
hppa*)
# ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
# (very nice, but too bad the HP /usr/include files don't agree.)
$2="$$2 -D_HPUX_SOURCE"
$3="$$3 -D_HPUX_SOURCE"
$5="$$5 -D_HPUX_SOURCE"
;;
esac
# If gcc knows about the stack protector, turn it off.
# Otherwise the stack-smash handler gets triggered.
echo 'int main(void) {return 0;}' > conftest.c
if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
then
$2="$$2 -fno-stack-protector"
fi
rm -f conftest.c conftest.o
AC_MSG_RESULT([done])
])
# FP_VISIBILITY_HIDDEN
# ----------------------------------
# Is the visibility hidden attribute supported?
AC_DEFUN([FP_VISIBILITY_HIDDEN],
[
AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
then
AC_MSG_RESULT([yes])
AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
else
AC_MSG_RESULT([no])
fi
rm -f conftest.c conftest.o
])
# FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
# ----------------------------------
# Little endian Arm on Linux with some ABIs has big endian word order
# in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
[AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <endian.h>],
[#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
return 0;
#else
not float word order big endian
#endif]
)],
[fptools_cv_float_word_order_bigendian=yes],
[fptools_cv_float_word_order_bigendian=no])
])
case $fptools_cv_float_word_order_bigendian in
yes)
AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
[Define to 1 if your processor stores words of floats with
the most significant byte first]) ;;
esac
])
# FP_EVAL_STDERR(COMMAND)
# -----------------------
# Eval COMMAND, save its stderr (without lines resulting from shell tracing)
# into the file conftest.err and the exit status in the variable fp_status.
AC_DEFUN([FP_EVAL_STDERR],
[{ (eval $1) 2>conftest.er1
fp_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
(exit $fp_status); }[]dnl
])# FP_EVAL_STDERR
# FP_ARG_WITH_PATH_GNU_PROG
# --------------------
# XXX
#
# $1 = the variable to set
# $2 = the command to look for
#
AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
[
AC_ARG_WITH($2,
[AC_HELP_STRING([--with-$2=ARG],
[Use ARG as the path to $2 [default=autodetect]])],
[
if test "$HostOS" = "mingw32"
then
AC_MSG_WARN([Request to use $withval will be ignored])
else
$1=$withval
fi
],
[
if test "$HostOS" != "mingw32"
then
AC_PATH_PROG([$1], [$2])
if test -z "$$1"
then
AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
fi
fi
]
)
]) # FP_ARG_WITH_PATH_GNU_PROG
# FP_PROG_CONTEXT_DIFF
# --------------------
# Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
#
# Note: NeXTStep thinks diff'ing a file against itself is "trouble".
#
# Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
AC_DEFUN([FP_PROG_CONTEXT_DIFF],
[AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
[echo foo > conftest1
echo foo > conftest2
fp_cv_context_diff=no
for fp_var in '-U 1' '-u1' '-C 1' '-c1'
do
if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
fp_cv_context_diff="diff $fp_var"
break
fi
done])
if test x"$fp_cv_context_diff" = xno; then
AC_MSG_ERROR([cannot figure out how to do context diffs])
fi
AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
])# FP_PROG_CONTEXT_DIFF
# FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
# --------------------------------------------------------
# Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
# compilation. Execute IF-FAILS when unable to determine the value. Works for
# cross-compilation, too.
#
# Implementation note: We are lazy and use an internal autoconf macro, but it
# is supported in autoconf versions 2.50 up to the actual 2.57, so there is
# little risk.
AC_DEFUN([FP_COMPUTE_INT],
[_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
])# FP_COMPUTE_INT
# FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
# ------------------------------------------------------------------
# A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
# given type. Defines ALIGNMENT_TYPE.
AC_DEFUN([FP_CHECK_ALIGNMENT],
[AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
[AC_FATAL([$0: requires literal arguments])])[]dnl
AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
AC_CACHE_CHECK([alignment of $1], [fp_Cache],
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
[fp_Cache],
[AC_INCLUDES_DEFAULT([$3])],
[AC_MSG_ERROR([cannot compute alignment ($1)
See `config.log' for more details.], [77])])
else
fp_Cache=0
fi])[]dnl
AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
m4_popdef([fp_Cache])[]dnl
])# FP_CHECK_ALIGNMENT
# FP_LEADING_UNDERSCORE
# ---------------------
# Test for determining whether symbol names have a leading underscore. We assume
# that they _haven't_ if anything goes wrong. Sets the output variable
# LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
#
# Some nlist implementations seem to try to be compatible by ignoring a leading
# underscore sometimes (eg. FreeBSD). We therefore have to work around this by
# checking for *no* leading underscore first. Sigh. --SDM
#
# Similarly on OpenBSD, but this test doesn't help. -- dons
AC_DEFUN([FP_LEADING_UNDERSCORE],
[AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
# Hack!: nlist() under Digital UNIX insist on there being an _,
# but symbol table listings shows none. What is going on here?!?
#
# Another hack: cygwin doesn't come with nlist.h , so we hardwire
# the underscoredness of that "platform"
case $HostPlatform in
*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
case $build in
i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
*) fptools_cv_leading_underscore=no ;;
esac ;;
alpha-dec-osf*) fptools_cv_leading_underscore=no;;
*cygwin32) fptools_cv_leading_underscore=yes;;
*mingw32) fptools_cv_leading_underscore=yes;;
# HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
#include <nlist.h>
struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
#endif
int main(argc, argv)
int argc;
char **argv;
{
#ifdef HAVE_NLIST_H
if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
exit(1);
if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
exit(0);
#endif
exit(1);
}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
;;
esac]);
AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
if test x"$fptools_cv_leading_underscore" = xyes; then
AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
fi])# FP_LEADING_UNDERSCORE
# FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
# ----------------------------------------------------------------------------------
# Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
# to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
AC_DEFUN([FP_COMPARE_VERSIONS],
[fp_version1=$1; fp_version2=$3
fp_save_IFS=$IFS; IFS='.'
while test x"$fp_version1" != x || test x"$fp_version2" != x
do
set dummy $fp_version1; shift
fp_num1=""
test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
test x"$fp_num1" = x && fp_num1="0"
fp_version1="[$]*"
set dummy $fp_version2; shift
fp_num2=""
test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
test x"$fp_num2" = x && fp_num2="0"
fp_version2="[$]*"
test "$fp_num1" = "$fp_num2" || break;
done
IFS=$fp_save_IFS
AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
])# FP_COMPARE_VERSIONS
dnl
dnl Check for GreenCard and version.
dnl
AC_DEFUN([FPTOOLS_GREENCARD],
[
AC_PATH_PROG(GreenCardCmd,greencard)
AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
changequote(, )dnl
[if test x"$GreenCardCmd" != x; then
fptools_cv_greencard_version="`$GreenCardCmd --version |
grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
else
fptools_cv_greencard_version=""
fi
changequote([, ])dnl
])
FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
[AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
GreenCardVersion=$fptools_cv_greencard_version
AC_SUBST(GreenCardVersion)
])
dnl
dnl Check for Happy and version. If we're building GHC, then we need
dnl at least Happy version 1.14. If there's no installed Happy, we look
dnl for a happy source tree and point the build system at that instead.
dnl
AC_DEFUN([FPTOOLS_HAPPY],
[AC_PATH_PROG(HappyCmd,happy,)
# Happy is passed to Cabal, so we need a native path
if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
test "${OSTYPE}" != "msys" && \
test "${HappyCmd}" != ""
then
# Canonicalise to <drive>:/path/to/gcc
HappyCmd=`cygpath -m "${HappyCmd}"`
AC_MSG_NOTICE([normalized happy command to $HappyCmd])
fi
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
changequote(, )dnl
[if test x"$HappyCmd" != x; then
fptools_cv_happy_version=`"$HappyCmd" -v |
grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
else
fptools_cv_happy_version="";
fi;
changequote([, ])dnl
])
if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
then
FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
[AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
fi
HappyVersion=$fptools_cv_happy_version;
AC_SUBST(HappyVersion)
])
dnl
dnl Check for Alex and version. If we're building GHC, then we need
dnl at least Alex version 2.0.1.
dnl
AC_DEFUN([FPTOOLS_ALEX],
[
AC_PATH_PROG(AlexCmd,alex,)
# Alex is passed to Cabal, so we need a native path
if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
test "${OSTYPE}" != "msys" && \
test "${AlexCmd}" != ""
then
# Canonicalise to <drive>:/path/to/gcc
AlexCmd=`cygpath -m "${AlexCmd}"`
fi
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
[if test x"$AlexCmd" != x; then
fptools_cv_alex_version=`"$AlexCmd" -v |
grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
else
fptools_cv_alex_version="";
fi;
changequote([, ])dnl
])
if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
then
FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
[AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-ge],[3.0],
[Alex3=YES],[Alex3=NO])
fi
AlexVersion=$fptools_cv_alex_version;
AC_SUBST(AlexVersion)
AC_SUBST(Alex3)
])
# FP_PROG_LD_X
# ------------
# Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
# variable's value is empty.
AC_DEFUN([FP_PROG_LD_X],
[
AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
[echo 'foo() {}' > conftest.c
${CC-cc} -c conftest.c
if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
fp_cv_ld_x=yes
else
fp_cv_ld_x=no
fi
rm -rf conftest*])
if test "$fp_cv_ld_x" = yes; then
LdXFlag=-x
else
LdXFlag=
fi
AC_SUBST([LdXFlag])
])# FP_PROG_LD_X
# FP_PROG_LD_BUILD_ID
# ------------
# Sets the output variable LdHasBuildId to YES if ld supports
# --build-id, or NO otherwise.
AC_DEFUN([FP_PROG_LD_BUILD_ID],
[
AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
[echo 'foo() {}' > conftest.c
${CC-cc} -c conftest.c
if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
fp_cv_ld_build_id=yes
else
fp_cv_ld_build_id=no
fi
rm -rf conftest*])
if test "$fp_cv_ld_build_id" = yes; then
LdHasBuildId=YES
else
LdHasBuildId=NO
fi
AC_SUBST([LdHasBuildId])
])# FP_PROG_LD_BUILD_ID
# FP_PROG_LD_IS_GNU
# -----------------
# Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
# GNU ld or not.
AC_DEFUN([FP_PROG_LD_IS_GNU],
[
AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
[if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
fp_cv_gnu_ld=yes
else
fp_cv_gnu_ld=no
fi])
AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
])# FP_PROG_LD_IS_GNU
# FP_PROG_AR
# ----------
# Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
# version of it. Exits if no ar can be found
AC_DEFUN([FP_PROG_AR],
[AC_PATH_PROG([fp_prog_ar_raw], [ar])
if test -z "$fp_prog_ar_raw"; then
AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
fi
fp_prog_ar="$fp_prog_ar_raw"
case $HostPlatform in
*mingw32) if test x${OSTYPE} != xmsys; then
fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
fi
;;
esac
])# FP_PROG_AR
# FP_PROG_AR_IS_GNU
# -----------------
# Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
AC_DEFUN([FP_PROG_AR_IS_GNU],
[AC_REQUIRE([FP_PROG_AR])
AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
[if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
fp_cv_prog_ar_is_gnu=yes
else
fp_cv_prog_ar_is_gnu=no
fi])
fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
])# FP_PROG_AR_IS_GNU
# FP_PROG_AR_SUPPORTS_ATFILE
# -----------------
# Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
# or not it supports the @file syntax
AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
[AC_REQUIRE([FP_PROG_AR])
AC_REQUIRE([FP_PROG_AR_ARGS])
AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
[
rm -f conftest*
touch conftest.file
echo conftest.file > conftest.atfile
echo conftest.file >> conftest.atfile
"$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
rm -f conftest*
if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
then
fp_cv_prog_ar_supports_atfile=yes
else
fp_cv_prog_ar_supports_atfile=no
fi])
fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
])# FP_PROG_AR_SUPPORTS_ATFILE
# FP_PROG_AR_ARGS
# ---------------
# Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
# to a non-Cygwin invocation of ar including these arguments.
AC_DEFUN([FP_PROG_AR_ARGS],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
[
# GNU ar needs special treatment: it appears to have problems with
# object files with the same name if you use the 's' modifier, but
# simple 'ar q' works fine, and doesn't need a separate ranlib.
if test $fp_prog_ar_is_gnu = yes; then
fp_cv_prog_ar_args="q"
else
touch conftest.dummy
for fp_var in clqsZ clqs cqs clq cq ; do
rm -f conftest.a
if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
fp_cv_prog_ar_args=$fp_var
break
fi
done
rm -f conftest*
if test -z "$fp_cv_prog_ar_args"; then
AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
fi
fi])
fp_prog_ar_args=$fp_cv_prog_ar_args
AC_SUBST([ArCmd], ["$fp_prog_ar"])
AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
])# FP_PROG_AR_ARGS
# FP_PROG_AR_NEEDS_RANLIB
# -----------------------
# Sets the output variable RANLIB to "ranlib" if it is needed and found,
# to "true" otherwise.
AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_REQUIRE([FP_PROG_AR_ARGS])
AC_REQUIRE([AC_PROG_CC])
AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
[if test $fp_prog_ar_is_gnu = yes; then
fp_cv_prog_ar_needs_ranlib=no
elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
# It's quite tedious to check for Apple's crazy timestamps in .a files,
# so we hardcode it.
fp_cv_prog_ar_needs_ranlib=yes
elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
fp_cv_prog_ar_needs_ranlib=no
else
fp_cv_prog_ar_needs_ranlib=yes
fi])
if test $fp_cv_prog_ar_needs_ranlib = yes; then
AC_PROG_RANLIB
else
RANLIB="true"
AC_SUBST([RANLIB])
fi
])# FP_PROG_AR_NEEDS_RANLIB
dnl
dnl AC_SHEBANG_PERL - can we she-bang perl?
dnl
AC_DEFUN([FPTOOLS_SHEBANG_PERL],
[AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
[echo "#!$PerlCmd"'
exit $1;
' > conftest
chmod u+x conftest
(SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
if test $? -ne 69; then
fptools_cv_shebang_perl=yes
else
fptools_cv_shebang_perl=no
fi
rm -f conftest
])])
# FP_GCC_VERSION
# -----------
# Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
# output variable GccVersion.
AC_DEFUN([FP_GCC_VERSION],
[AC_REQUIRE([AC_PROG_CC])
if test -z "$GCC"
then
AC_MSG_ERROR([gcc is required])
fi
GccLT34=NO
GccLT46=NO
AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
[
fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
[AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
# See #2770: gcc 2.95 doesn't work any more, apparently. There probably
# isn't a very good reason for that, but for now just make configure
# fail.
FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.6], GccLT46=YES)
])
AC_SUBST([GccVersion], [$fp_cv_gcc_version])
AC_SUBST(GccLT34)
AC_SUBST(GccLT46)
])# FP_GCC_VERSION
dnl Small feature test for perl version. Assumes PerlCmd
dnl contains path to perl binary.
dnl
dnl (Perl versions prior to v5.6 does not contain the string "v5";
dnl instead they display version strings such as "version 5.005".)
dnl
AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
[$PerlCmd -v >conftest.out 2>&1
if grep "v5" conftest.out >/dev/null 2>&1; then
:
else
AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
fi
rm -fr conftest*
])
# FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
# [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
# -----------------------------------------------------
# HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
# of PROG-TO-CHECK-FOR when found.
AC_DEFUN([FP_CHECK_PROG],
[AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
)# FP_CHECK_PROC
# FP_PROG_FIND
# ------------
# Find a non-WinDoze version of the "find" utility.
AC_DEFUN([FP_PROG_FIND],
[AC_PATH_PROGS([fp_prog_find], [gfind find], find)
echo foo > conftest.txt
$fp_prog_find conftest.txt -print > conftest.out 2>&1
if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
# OK, looks like a real "find".
case $HostPlatform in
*mingw32)
if test x${OSTYPE} != xmsys
then
fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
AC_MSG_NOTICE([normalized find command to $fp_prog_find])
fi ;;
*) ;;
esac
FindCmd="$fp_prog_find"
else
# Found a poor WinDoze version of "find", ignore it.
AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
fi
rm -f conftest.txt conftest.out
AC_SUBST([FindCmd])[]dnl
])# FP_PROG_FIND
# FP_PROG_SORT
# ------------
# Find a Unix-like sort
AC_DEFUN([FP_PROG_SORT],
[AC_PATH_PROG([fp_prog_sort], [sort])
echo conwip > conftest.txt
$fp_prog_sort -f conftest.txt > conftest.out 2>&1
if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
# The goods
SortCmd="$fp_prog_sort"
else
# Summink else..pick next one.
AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
fi
rm -f conftest.txt conftest.out
AC_SUBST([SortCmd])[]dnl
])# FP_PROG_SORT
dnl
dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
dnl values of the second argument to the result of running
dnl the commands given by the third. It does not cache its
dnl result, so it is suitable for checks which should be
dnl run every time.
dnl
AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
[AC_MSG_CHECKING([$1])
$3
AC_MSG_RESULT([$][$2])
])
dnl
dnl FPTOOLS_GHC_VERSION(version)
dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
dnl
dnl Test for version of installed ghc. Uses $GHC.
dnl [original version pinched from c2hs]
dnl
AC_DEFUN([FPTOOLS_GHC_VERSION],
[FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
["${WithGhc-ghc}" --version > conftestghc 2>&1
cat conftestghc >&AS_MESSAGE_LOG_FD
#Useless Use Of cat award...
fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
rm -fr conftest*
if test "[$]fptools_version_of_ghc" = ""
then
fptools_version_of_ghc='unknown'
fi
fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
#
if test "[$]fptools_version_of_ghc[_pl]" = ""
then
fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
fptools_version_of_ghc[_pl]="0"
else
fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
fi
#
ifelse($#, [1], [dnl
[$1]="[$]fptools_version_of_ghc[_all]"
], $#, [2], [dnl
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
], $#, [3], [dnl
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
[$3]="[$]fptools_version_of_ghc[_pl]"
], $#, [4], [dnl
[$1]="[$]fptools_version_of_ghc[_all]"
[$2]="[$]fptools_version_of_ghc[_major]"
[$3]="[$]fptools_version_of_ghc[_minor]"
[$4]="[$]fptools_version_of_ghc[_pl]"
])
])
])dnl
# FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------------------------------
# A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
# additional flexibility of specifying the PROLOGUE and BODY.
AC_DEFUN([FP_CHECK_FUNC],
[AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
AC_CACHE_CHECK([for $1], fp_func,