acinclude.m4 - third_party/glib - Git at Google

 ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
 ## Copyright (C) 1996-1998 Free Software Foundation, Inc.
 ## Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 ##
 ## 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 2 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, write to the Free Software
 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 ##
 ## As a special exception to the GNU General Public License, if you
 ## distribute this file as part of a program that contains a
 ## configuration script generated by Autoconf, you may include it under
 ## the same distribution terms that you use for the rest of that program.

 # serial 24 AM_PROG_LIBTOOL
 AC_DEFUN(AM_PROG_LIBTOOL,
 [AC_REQUIRE([AM_ENABLE_SHARED])dnl
 AC_REQUIRE([AM_ENABLE_STATIC])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 AC_REQUIRE([AC_PROG_RANLIB])dnl
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AM_PROG_LD])dnl
 AC_REQUIRE([AM_PROG_NM])dnl
 AC_REQUIRE([AC_PROG_LN_S])dnl
 dnl
 # Always use our own libtool.
 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 AC_SUBST(LIBTOOL)dnl

 # Check for any special flags to pass to ltconfig.
 libtool_flags=
 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 test "$silent" = yes && libtool_flags="$libtool_flags --silent"
 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"

 # Some flags need to be propagated to the compiler or linker for good
 # libtool support.
 case "$host" in
 *-*-irix6*)
   # Find out which ABI we are using.
   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
   if AC_TRY_EVAL(ac_compile); then
     case "`/usr/bin/file conftest.o`" in
     *32-bit*)
       LD="${LD-ld} -32"
       ;;
     *N32*)
       LD="${LD-ld} -n32"
       ;;
     *64-bit*)
       LD="${LD-ld} -64"
       ;;
     esac
   fi
   rm -rf conftest*
   ;;

 *-*-sco3.2v5*)
   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
   CFLAGS="$CFLAGS -belf"
   ;;
 esac

 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
 LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
 || AC_MSG_ERROR([libtool configure failed])
 ])

 # AM_ENABLE_SHARED - implement the --enable-shared flag
 # Usage: AM_ENABLE_SHARED[(DEFAULT)]
 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 #   `yes'.
 AC_DEFUN(AM_ENABLE_SHARED,
 [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(shared,
 changequote(<<, >>)dnl
 <<  --enable-shared         build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT]
 changequote([, ])dnl
 [  --enable-shared=PKGS    only build shared libraries if the current package
                           appears as an element in the PKGS list],
 [p=${PACKAGE-default}
 case "$enableval" in
 yes) enable_shared=yes ;;
 no) enable_shared=no ;;
 *)
   enable_shared=no
   # Look at the argument we got.  We use all the common list separators.
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
   for pkg in $enableval; do
     if test "X$pkg" = "X$p"; then
       enable_shared=yes
     fi
   done
   IFS="$ac_save_ifs"
   ;;
 esac],
 enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl
 ])

 # AM_DISABLE_SHARED - set the default shared flag to --disable-shared
 AC_DEFUN(AM_DISABLE_SHARED,
 [AM_ENABLE_SHARED(no)])

 # AM_DISABLE_STATIC - set the default static flag to --disable-static
 AC_DEFUN(AM_DISABLE_STATIC,
 [AM_ENABLE_STATIC(no)])

 # AM_ENABLE_STATIC - implement the --enable-static flag
 # Usage: AM_ENABLE_STATIC[(DEFAULT)]
 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 #   `yes'.
 AC_DEFUN(AM_ENABLE_STATIC,
 [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(static,
 changequote(<<, >>)dnl
 <<  --enable-static         build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT]
 changequote([, ])dnl
 [  --enable-static=PKGS    only build shared libraries if the current package
                           appears as an element in the PKGS list],
 [p=${PACKAGE-default}
 case "$enableval" in
 yes) enable_static=yes ;;
 no) enable_static=no ;;
 *)
   enable_static=no
   # Look at the argument we got.  We use all the common list separators.
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
   for pkg in $enableval; do
     if test "X$pkg" = "X$p"; then
       enable_static=yes
     fi
   done
   IFS="$ac_save_ifs"
   ;;
 esac],
 enable_static=AM_ENABLE_STATIC_DEFAULT)dnl
 ])


 # AM_PROG_LD - find the path to the GNU or non-GNU linker
 AC_DEFUN(AM_PROG_LD,
 [AC_ARG_WITH(gnu-ld,
 [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 AC_REQUIRE([AC_PROG_CC])
 ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   AC_MSG_CHECKING([for ld used by GCC])
   ac_prog=`($CC -print-prog-name=ld) 2>&5`
   case "$ac_prog" in
   # Accept absolute paths.
   /* | [A-Za-z]:\\*)
     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 "$with_gnu_ld" = yes; then
   AC_MSG_CHECKING([for GNU ld])
 else
   AC_MSG_CHECKING([for non-GNU ld])
 fi
 AC_CACHE_VAL(ac_cv_path_LD,
 [if test -z "$LD"; then
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
   for ac_dir in $PATH; do
     test -z "$ac_dir" && ac_dir=.
     if test -f "$ac_dir/$ac_prog"; then
       ac_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 "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
 	test "$with_gnu_ld" != no && break
       else
         test "$with_gnu_ld" != yes && break
       fi
     fi
   done
   IFS="$ac_save_ifs"
 else
   ac_cv_path_LD="$LD" # Let the user override the test with a path.
 fi])
 LD="$ac_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_SUBST(LD)
 AM_PROG_LD_GNU
 ])

 AC_DEFUN(AM_PROG_LD_GNU,
 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_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
   ac_cv_prog_gnu_ld=yes
 else
   ac_cv_prog_gnu_ld=no
 fi])
 ])

 # AM_PROG_NM - find the path to a BSD-compatible name lister
 AC_DEFUN(AM_PROG_NM,
 [AC_MSG_CHECKING([for BSD-compatible nm])
 AC_CACHE_VAL(ac_cv_path_NM,
 [case "$NM" in
 /* | [A-Za-z]:\\*)
   ac_cv_path_NM="$NM" # Let the user override the test with a path.
   ;;
 *)
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
   for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/nm; then
       # Check to see if the nm accepts a BSD-compat flag.
       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
       #   nm: unknown option "B" ignored
       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
         ac_cv_path_NM="$ac_dir/nm -B"
       elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
         ac_cv_path_NM="$ac_dir/nm -p"
       else
         ac_cv_path_NM="$ac_dir/nm"
       fi
       break
     fi
   done
   IFS="$ac_save_ifs"
   test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
   ;;
 esac])
 NM="$ac_cv_path_NM"
 AC_MSG_RESULT([$NM])
 AC_SUBST(NM)
 ])
	## libtool.m4 - Configure libtool for the target system. --Shell-script--
	## Copyright (C) 1996-1998 Free Software Foundation, Inc.
	## Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
	##
	## 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 2 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, write to the Free Software
	## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	##
	## As a special exception to the GNU General Public License, if you
	## distribute this file as part of a program that contains a
	## configuration script generated by Autoconf, you may include it under
	## the same distribution terms that you use for the rest of that program.

	# serial 24 AM_PROG_LIBTOOL
	AC_DEFUN(AM_PROG_LIBTOOL,
	[AC_REQUIRE([AM_ENABLE_SHARED])dnl
	AC_REQUIRE([AM_ENABLE_STATIC])dnl
	AC_REQUIRE([AC_CANONICAL_HOST])dnl
	AC_REQUIRE([AC_PROG_RANLIB])dnl
	AC_REQUIRE([AC_PROG_CC])dnl
	AC_REQUIRE([AM_PROG_LD])dnl
	AC_REQUIRE([AM_PROG_NM])dnl
	AC_REQUIRE([AC_PROG_LN_S])dnl
	dnl
	# Always use our own libtool.
	LIBTOOL='$(SHELL) $(top_builddir)/libtool'
	AC_SUBST(LIBTOOL)dnl

	# Check for any special flags to pass to ltconfig.
	libtool_flags=
	test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
	test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
	test "$silent" = yes && libtool_flags="$libtool_flags --silent"
	test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
	test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"

	# Some flags need to be propagated to the compiler or linker for good
	# libtool support.
	case "$host" in
	--irix6*)
	# Find out which ABI we are using.
	echo '[#]line __oline__ "configure"' > conftest.$ac_ext
	if AC_TRY_EVAL(ac_compile); then
	case "`/usr/bin/file conftest.o`" in
	32-bit)
	LD="${LD-ld} -32"
	;;
	N32)
	LD="${LD-ld} -n32"
	;;
	64-bit)
	LD="${LD-ld} -64"
	;;
	esac
	fi
	rm -rf conftest*
	;;

	--sco3.2v5*)
	# On SCO OpenServer 5, we need -belf to get full-featured binaries.
	CFLAGS="$CFLAGS -belf"
	;;
	esac

	# Actually configure libtool. ac_aux_dir is where install-sh is found.
	CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
	LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
	${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
	$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
	\|\| AC_MSG_ERROR([libtool configure failed])
	])

	# AM_ENABLE_SHARED - implement the --enable-shared flag
	# Usage: AM_ENABLE_SHARED[(DEFAULT)]
	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
	# `yes'.
	AC_DEFUN(AM_ENABLE_SHARED,
	[define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
	AC_ARG_ENABLE(shared,
	changequote(<<, >>)dnl
	<< --enable-shared build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT]
	changequote([, ])dnl
	[ --enable-shared=PKGS only build shared libraries if the current package
	appears as an element in the PKGS list],
	[p=${PACKAGE-default}
	case "$enableval" in
	yes) enable_shared=yes ;;
	no) enable_shared=no ;;
	*)
	enable_shared=no
	# Look at the argument we got. We use all the common list separators.
	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
	for pkg in $enableval; do
	if test "X$pkg" = "X$p"; then
	enable_shared=yes
	fi
	done
	IFS="$ac_save_ifs"
	;;
	esac],
	enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl
	])

	# AM_DISABLE_SHARED - set the default shared flag to --disable-shared
	AC_DEFUN(AM_DISABLE_SHARED,
	[AM_ENABLE_SHARED(no)])

	# AM_DISABLE_STATIC - set the default static flag to --disable-static
	AC_DEFUN(AM_DISABLE_STATIC,
	[AM_ENABLE_STATIC(no)])

	# AM_ENABLE_STATIC - implement the --enable-static flag
	# Usage: AM_ENABLE_STATIC[(DEFAULT)]
	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
	# `yes'.
	AC_DEFUN(AM_ENABLE_STATIC,
	[define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
	AC_ARG_ENABLE(static,
	changequote(<<, >>)dnl
	<< --enable-static build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT]
	changequote([, ])dnl
	[ --enable-static=PKGS only build shared libraries if the current package
	appears as an element in the PKGS list],
	[p=${PACKAGE-default}
	case "$enableval" in
	yes) enable_static=yes ;;
	no) enable_static=no ;;
	*)
	enable_static=no
	# Look at the argument we got. We use all the common list separators.
	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
	for pkg in $enableval; do
	if test "X$pkg" = "X$p"; then
	enable_static=yes
	fi
	done
	IFS="$ac_save_ifs"
	;;
	esac],
	enable_static=AM_ENABLE_STATIC_DEFAULT)dnl
	])


	# AM_PROG_LD - find the path to the GNU or non-GNU linker
	AC_DEFUN(AM_PROG_LD,
	[AC_ARG_WITH(gnu-ld,
	[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
	test "$withval" = no \|\| with_gnu_ld=yes, with_gnu_ld=no)
	AC_REQUIRE([AC_PROG_CC])
	ac_prog=ld
	if test "$ac_cv_prog_gcc" = yes; then
	# Check if gcc -print-prog-name=ld gives a path.
	AC_MSG_CHECKING([for ld used by GCC])
	ac_prog=`($CC -print-prog-name=ld) 2>&5`
	case "$ac_prog" in
	# Accept absolute paths.
	/* \| [A-Za-z]:\\*)
	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 "$with_gnu_ld" = yes; then
	AC_MSG_CHECKING([for GNU ld])
	else
	AC_MSG_CHECKING([for non-GNU ld])
	fi
	AC_CACHE_VAL(ac_cv_path_LD,
	[if test -z "$LD"; then
	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
	for ac_dir in $PATH; do
	test -z "$ac_dir" && ac_dir=.
	if test -f "$ac_dir/$ac_prog"; then
	ac_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 "$ac_cv_path_LD" -v 2>&1 < /dev/null \| egrep '(GNU\|with BFD)' > /dev/null; then
	test "$with_gnu_ld" != no && break
	else
	test "$with_gnu_ld" != yes && break
	fi
	fi
	done
	IFS="$ac_save_ifs"
	else
	ac_cv_path_LD="$LD" # Let the user override the test with a path.
	fi])
	LD="$ac_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_SUBST(LD)
	AM_PROG_LD_GNU
	])

	AC_DEFUN(AM_PROG_LD_GNU,
	[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_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
	ac_cv_prog_gnu_ld=yes
	else
	ac_cv_prog_gnu_ld=no
	fi])
	])

	# AM_PROG_NM - find the path to a BSD-compatible name lister
	AC_DEFUN(AM_PROG_NM,
	[AC_MSG_CHECKING([for BSD-compatible nm])
	AC_CACHE_VAL(ac_cv_path_NM,
	[case "$NM" in
	/* \| [A-Za-z]:\\*)
	ac_cv_path_NM="$NM" # Let the user override the test with a path.
	;;
	*)
	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
	for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
	test -z "$ac_dir" && ac_dir=.
	if test -f $ac_dir/nm; then
	# Check to see if the nm accepts a BSD-compat flag.
	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
	# nm: unknown option "B" ignored
	if ($ac_dir/nm -B /dev/null 2>&1 \| sed '1q'; exit 0) \| egrep /dev/null >/dev/null; then
	ac_cv_path_NM="$ac_dir/nm -B"
	elif ($ac_dir/nm -p /dev/null 2>&1 \| sed '1q'; exit 0) \| egrep /dev/null >/dev/null; then
	ac_cv_path_NM="$ac_dir/nm -p"
	else
	ac_cv_path_NM="$ac_dir/nm"
	fi
	break
	fi
	done
	IFS="$ac_save_ifs"
	test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
	;;
	esac])
	NM="$ac_cv_path_NM"
	AC_MSG_RESULT([$NM])
	AC_SUBST(NM)
	])