Commit a0ee0f8a authored by Sam Hocevar's avatar Sam Hocevar

* ./m4/*: updated m4 macros.

parent bb1a6786
EXTRA_DIST = codeset.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4 progtest.m4 vlc.m4 NULL =
EXTRA_DIST = \
codeset.m4 \
gettext.m4 \
glibc21.m4 \
iconv.m4 \
intdiv0.m4 \
inttypes-pri.m4 \
inttypes.m4 \
inttypes_h.m4 \
isc-posix.m4 \
lcmessage.m4 \
lib-ld.m4 \
lib-link.m4 \
lib-prefix.m4 \
progtest.m4 \
stdint_h.m4 \
uintmax_t.m4 \
ulonglong.m4 \
vlc.m4 \
$(NULL)
# intdiv0.m4 serial 1 (gettext-0.11.3)
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Bruno Haible.
AC_DEFUN([gt_INTDIV0],
[
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
gt_cv_int_divbyzero_sigfpe,
[
AC_TRY_RUN([
#include <stdlib.h>
#include <signal.h>
static void
#ifdef __cplusplus
sigfpe_handler (int sig)
#else
sigfpe_handler (sig) int sig;
#endif
{
/* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
exit (sig != SIGFPE);
}
int x = 1;
int y = 0;
int z;
int nan;
int main ()
{
signal (SIGFPE, sigfpe_handler);
/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
signal (SIGTRAP, sigfpe_handler);
#endif
/* Linux/SPARC yields signal SIGILL. */
#if defined (__sparc__) && defined (__linux__)
signal (SIGILL, sigfpe_handler);
#endif
z = x / y;
nan = y / y;
exit (1);
}
], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no,
[
# Guess based on the CPU.
case "$host_cpu" in
alpha* | i[34567]86 | m68k | s390*)
gt_cv_int_divbyzero_sigfpe="guessing yes";;
*)
gt_cv_int_divbyzero_sigfpe="guessing no";;
esac
])
])
case "$gt_cv_int_divbyzero_sigfpe" in
*yes) value=1;;
*) value=0;;
esac
AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value,
[Define if integer division by zero raises signal SIGFPE.])
])
# inttypes-pri.m4 serial 1 (gettext-0.11.4)
dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Bruno Haible.
# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
# macros to non-string values. This is the case on AIX 4.3.3.
AC_DEFUN([gt_INTTYPES_PRI],
[
AC_REQUIRE([gt_HEADER_INTTYPES_H])
if test $gt_cv_header_inttypes_h = yes; then
AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
gt_cv_inttypes_pri_broken,
[
AC_TRY_COMPILE([#include <inttypes.h>
#ifdef PRId32
char *p = PRId32;
#endif
], [], gt_cv_inttypes_pri_broken=no, gt_cv_inttypes_pri_broken=yes)
])
fi
if test "$gt_cv_inttypes_pri_broken" = yes; then
AC_DEFINE_UNQUOTED(PRI_MACROS_BROKEN, 1,
[Define if <inttypes.h> exists and defines unusable PRI* macros.])
fi
])
# inttypes.m4 serial 1 (gettext-0.11.4)
dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paul Eggert.
# Define HAVE_INTTYPES_H if <inttypes.h> exists and doesn't clash with
# <sys/types.h>.
AC_DEFUN([gt_HEADER_INTTYPES_H],
[
AC_CACHE_CHECK([for inttypes.h], gt_cv_header_inttypes_h,
[
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <inttypes.h>],
[], gt_cv_header_inttypes_h=yes, gt_cv_header_inttypes_h=no)
])
if test $gt_cv_header_inttypes_h = yes; then
AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
[Define if <inttypes.h> exists and doesn't clash with <sys/types.h>.])
fi
])
# inttypes_h.m4 serial 4 (gettext-0.11.4)
dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paul Eggert.
# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.
AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
[
AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
[AC_TRY_COMPILE(
[#include <sys/types.h>
#include <inttypes.h>],
[uintmax_t i = (uintmax_t) -1;],
jm_ac_cv_header_inttypes_h=yes,
jm_ac_cv_header_inttypes_h=no)])
if test $jm_ac_cv_header_inttypes_h = yes; then
AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
[Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
and declares uintmax_t. ])
fi
])
# lib-ld.m4 serial 1 (gettext-0.11)
dnl Copyright (C) 1996-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl Subroutines of libtool.m4,
dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
dnl with libtool.m4.
dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
AC_DEFUN([AC_LIB_PROG_LD_GNU],
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
acl_cv_prog_gnu_ld=yes
else
acl_cv_prog_gnu_ld=no
fi])
with_gnu_ld=$acl_cv_prog_gnu_ld
])
dnl From libtool-1.4. Sets the variable LD.
AC_DEFUN([AC_LIB_PROG_LD],
[AC_ARG_WITH(gnu-ld,
[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
ac_prog=ld
if test "$GCC" = yes; then
# Check if gcc -print-prog-name=ld gives a path.
AC_MSG_CHECKING([for ld used by GCC])
case $host in
*-*-mingw*)
# gcc leaves a trailing carriage return which upsets mingw
ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
*)
ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
esac
case $ac_prog in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
[re_direlt='/[^/][^/]*/\.\./']
# Canonicalize the path of ld
ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
done
test -z "$LD" && LD="$ac_prog"
;;
"")
# If it fails, then pretend we aren't using GCC.
ac_prog=ld
;;
*)
# If it is relative, then search for the first ld in PATH.
with_gnu_ld=unknown
;;
esac
elif test "$with_gnu_ld" = yes; then
AC_MSG_CHECKING([for GNU ld])
else
AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(acl_cv_path_LD,
[if test -z "$LD"; then
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
acl_cv_path_LD="$ac_dir/$ac_prog"
# Check to see if the program is GNU ld. I'd rather use --version,
# but apparently some GNU ld's only accept -v.
# Break only if it was the GNU/non-GNU ld that we prefer.
if "$acl_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
test "$with_gnu_ld" != no && break
else
test "$with_gnu_ld" != yes && break
fi
fi
done
IFS="$ac_save_ifs"
else
acl_cv_path_LD="$LD" # Let the user override the test with a path.
fi])
LD="$acl_cv_path_LD"
if test -n "$LD"; then
AC_MSG_RESULT($LD)
else
AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_LIB_PROG_LD_GNU
])
This diff is collapsed.
# lib-prefix.m4 serial 1 (gettext-0.11)
dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Bruno Haible.
dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
dnl to access previously installed libraries. The basic assumption is that
dnl a user will want packages to use other packages he previously installed
dnl with the same --prefix option.
dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
dnl libraries, but is otherwise very convenient.
AC_DEFUN([AC_LIB_PREFIX],
[
AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
dnl By default, look in $includedir and $libdir.
use_additional=yes
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
AC_ARG_WITH([lib-prefix],
[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
--without-lib-prefix don't search for libraries in includedir and libdir],
[
if test "X$withval" = "Xno"; then
use_additional=no
else
if test "X$withval" = "X"; then
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
else
additional_includedir="$withval/include"
additional_libdir="$withval/lib"
fi
fi
])
if test $use_additional = yes; then
dnl Potentially add $additional_includedir to $CPPFLAGS.
dnl But don't add it
dnl 1. if it's the standard /usr/include,
dnl 2. if it's already present in $CPPFLAGS,
dnl 3. if it's /usr/local/include and we are using GCC on Linux,
dnl 4. if it doesn't exist as a directory.
if test "X$additional_includedir" != "X/usr/include"; then
haveit=
for x in $CPPFLAGS; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-I$additional_includedir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test "X$additional_includedir" = "X/usr/local/include"; then
if test -n "$GCC"; then
case $host_os in
linux*) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
if test -d "$additional_includedir"; then
dnl Really add $additional_includedir to $CPPFLAGS.
CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
fi
fi
fi
fi
dnl Potentially add $additional_libdir to $LDFLAGS.
dnl But don't add it
dnl 1. if it's the standard /usr/lib,
dnl 2. if it's already present in $LDFLAGS,
dnl 3. if it's /usr/local/lib and we are using GCC on Linux,
dnl 4. if it doesn't exist as a directory.
if test "X$additional_libdir" != "X/usr/lib"; then
haveit=
for x in $LDFLAGS; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$additional_libdir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test "X$additional_libdir" = "X/usr/local/lib"; then
if test -n "$GCC"; then
case $host_os in
linux*) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
if test -d "$additional_libdir"; then
dnl Really add $additional_libdir to $LDFLAGS.
LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
fi
fi
fi
fi
fi
])
dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
dnl acl_final_exec_prefix, containing the values to which $prefix and
dnl $exec_prefix will expand at the end of the configure script.
AC_DEFUN([AC_LIB_PREPARE_PREFIX],
[
dnl Unfortunately, prefix and exec_prefix get only finally determined
dnl at the end of configure.
if test "X$prefix" = "XNONE"; then
acl_final_prefix="$ac_default_prefix"
else
acl_final_prefix="$prefix"
fi
if test "X$exec_prefix" = "XNONE"; then
acl_final_exec_prefix='${prefix}'
else
acl_final_exec_prefix="$exec_prefix"
fi
acl_save_prefix="$prefix"
prefix="$acl_final_prefix"
eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
prefix="$acl_save_prefix"
])
dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
dnl variables prefix and exec_prefix bound to the values they will have
dnl at the end of the configure script.
AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
[
acl_save_prefix="$prefix"
prefix="$acl_final_prefix"
acl_save_exec_prefix="$exec_prefix"
exec_prefix="$acl_final_exec_prefix"
$1
exec_prefix="$acl_save_exec_prefix"
prefix="$acl_save_prefix"
])
# stdint_h.m4 serial 2 (gettext-0.11.4)
dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paul Eggert.
# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.
AC_DEFUN([jm_AC_HEADER_STDINT_H],
[
AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
[AC_TRY_COMPILE(
[#include <sys/types.h>
#include <stdint.h>],
[uintmax_t i = (uintmax_t) -1;],
jm_ac_cv_header_stdint_h=yes,
jm_ac_cv_header_stdint_h=no)])
if test $jm_ac_cv_header_stdint_h = yes; then
AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
[Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
and declares uintmax_t. ])
fi
])
# uintmax_t.m4 serial 6 (gettext-0.11)
dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paul Eggert.
AC_PREREQ(2.13)
# Define uintmax_t to `unsigned long' or `unsigned long long'
# if <inttypes.h> does not exist.
AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
[
AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
AC_REQUIRE([jm_AC_HEADER_STDINT_H])
if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
test $ac_cv_type_unsigned_long_long = yes \
&& ac_type='unsigned long long' \
|| ac_type='unsigned long'
AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
[Define to unsigned long or unsigned long long
if <inttypes.h> and <stdint.h> don't define.])
fi
])
# ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40)
dnl Copyright (C) 1999-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paul Eggert.
AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
[
AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
[AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
[unsigned long long ullmax = (unsigned long long) -1;
return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
ac_cv_type_unsigned_long_long=yes,
ac_cv_type_unsigned_long_long=no)])
if test $ac_cv_type_unsigned_long_long = yes; then
AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
[Define if you have the unsigned long long type.])
fi
])
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