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## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
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## Copyright (C) 1996-1999 Free Software Foundation, Inc.
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## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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## This program is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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## General Public License for more details.
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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## As a special exception to the GNU General Public License, if you
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## distribute this file as part of a program that contains a
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## configuration script generated by Autoconf, you may include it under
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## the same distribution terms that you use for the rest of that program.
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## 1.4.2 modified by BMSIII - Mar2004 - to eliminate 1.5.2 whines about
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## underquoted AC _ DEFUN 's
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# serial 40 AC_PROG_LIBTOOL
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AC_DEFUN([AC_PROG_LIBTOOL],
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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# Save cache, so that ltconfig can load it
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# Actually configure libtool. ac_aux_dir is where install-sh is found.
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CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
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LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
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LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
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DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
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${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
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$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
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|| AC_MSG_ERROR([libtool configure failed])
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# Reload cache, that may have been modified by ltconfig
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# This can be used to rebuild libtool when needed
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LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
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# Always use our own libtool.
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LIBTOOL='$(SHELL) $(top_builddir)/libtool'
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# Redirect the config.log output again, so that the ltconfig log is not
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# clobbered by the next message.
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AC_DEFUN([AC_LIBTOOL_SETUP],
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AC_REQUIRE([AC_ENABLE_SHARED])dnl
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AC_REQUIRE([AC_ENABLE_STATIC])dnl
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AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([AC_CANONICAL_BUILD])dnl
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AC_REQUIRE([AC_PROG_RANLIB])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_PROG_LD])dnl
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AC_REQUIRE([AC_PROG_NM])dnl
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AC_REQUIRE([AC_PROG_LN_S])dnl
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# Check for any special flags to pass to ltconfig.
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libtool_flags="--cache-file=$cache_file"
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test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
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test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
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test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
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test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
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test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
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ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
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[libtool_flags="$libtool_flags --enable-dlopen"])
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[libtool_flags="$libtool_flags --enable-win32-dll"])
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AC_ARG_ENABLE(libtool-lock,
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[ --disable-libtool-lock avoid locking (might break parallel builds)])
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test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
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test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
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# Some flags need to be propagated to the compiler or linker for good
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# Find out which ABI we are using.
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echo '[#]line __oline__ "configure"' > conftest.$ac_ext
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if AC_TRY_EVAL(ac_compile); then
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case "`/usr/bin/file conftest.o`" in
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# On SCO OpenServer 5, we need -belf to get full-featured binaries.
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -belf"
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AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
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[AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
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if test x"$lt_cv_cc_needs_belf" != x"yes"; then
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# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
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CFLAGS="$SAVE_CFLAGS"
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[*-*-cygwin* | *-*-mingw*)
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AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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AC_CHECK_TOOL(AS, as, false)
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AC_CHECK_TOOL(OBJDUMP, objdump, false)
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# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
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AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
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# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
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AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
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# AC_ENABLE_SHARED - implement the --enable-shared flag
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# Usage: AC_ENABLE_SHARED[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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AC_DEFUN([AC_ENABLE_SHARED], [dnl
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define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(shared,
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changequote(<<, >>)dnl
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<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
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[p=${PACKAGE-default}
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yes) enable_shared=yes ;;
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no) enable_shared=no ;;
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# Look at the argument we got. We use all the common list separators.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
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if test "X$pkg" = "X$p"; then
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enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
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# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
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AC_DEFUN([AC_DISABLE_SHARED], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_SHARED(no)])
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# AC_ENABLE_STATIC - implement the --enable-static flag
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# Usage: AC_ENABLE_STATIC[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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AC_DEFUN([AC_ENABLE_STATIC], [dnl
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define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(static,
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changequote(<<, >>)dnl
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<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
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[p=${PACKAGE-default}
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yes) enable_static=yes ;;
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no) enable_static=no ;;
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# Look at the argument we got. We use all the common list separators.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
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if test "X$pkg" = "X$p"; then
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enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
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# AC_DISABLE_STATIC - set the default static flag to --disable-static
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AC_DEFUN([AC_DISABLE_STATIC], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_STATIC(no)])
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# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
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# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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AC_DEFUN([AC_ENABLE_FAST_INSTALL], [dnl
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define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(fast-install,
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changequote(<<, >>)dnl
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<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
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[p=${PACKAGE-default}
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yes) enable_fast_install=yes ;;
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no) enable_fast_install=no ;;
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enable_fast_install=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
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if test "X$pkg" = "X$p"; then
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enable_fast_install=yes
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enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
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# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
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AC_DEFUN([AC_DISABLE_FAST_INSTALL], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_FAST_INSTALL(no)])
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# AC_PROG_LD - find the path to the GNU or non-GNU linker
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AC_DEFUN([AC_PROG_LD],
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[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
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test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([AC_CANONICAL_BUILD])dnl
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if test "$ac_cv_prog_gcc" = yes; then
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# Check if gcc -print-prog-name=ld gives a path.
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AC_MSG_CHECKING([for ld used by GCC])
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ac_prog=`($CC -print-prog-name=ld) 2>&5`
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# Accept absolute paths.
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[\\/]* | [A-Za-z]:[\\/]*)
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re_direlt='/[^/][^/]*/\.\./'
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# Canonicalize the path of ld
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ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
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while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
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ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
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test -z "$LD" && LD="$ac_prog"
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# If it fails, then pretend we aren't using GCC.
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# If it is relative, then search for the first ld in PATH.
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elif test "$with_gnu_ld" = yes; then
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AC_MSG_CHECKING([for GNU ld])
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AC_MSG_CHECKING([for non-GNU ld])
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AC_CACHE_VAL(ac_cv_path_LD,
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[if test -z "$LD"; then
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
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for ac_dir in $PATH; do
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test -z "$ac_dir" && ac_dir=.
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if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
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ac_cv_path_LD="$ac_dir/$ac_prog"
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# Check to see if the program is GNU ld. I'd rather use --version,
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# but apparently some GNU ld's only accept -v.
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# Break only if it was the GNU/non-GNU ld that we prefer.
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if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
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test "$with_gnu_ld" != no && break
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test "$with_gnu_ld" != yes && break
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ac_cv_path_LD="$LD" # Let the user override the test with a path.
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if test -n "$LD"; then
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test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
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AC_DEFUN([AC_PROG_LD_GNU],
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[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
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[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
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if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
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ac_cv_prog_gnu_ld=yes
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# AC_PROG_NM - find the path to a BSD-compatible name lister
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AC_DEFUN([AC_PROG_NM],
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[AC_MSG_CHECKING([for BSD-compatible nm])
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AC_CACHE_VAL(ac_cv_path_NM,
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[if test -n "$NM"; then
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# Let the user override the test.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
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for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
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test -z "$ac_dir" && ac_dir=.
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if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
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# Check to see if the nm accepts a BSD-compat flag.
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# Adding the `sed 1q' prevents false positives on HP-UX, which says:
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# nm: unknown option "B" ignored
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if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
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ac_cv_path_NM="$ac_dir/nm -B"
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elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
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ac_cv_path_NM="$ac_dir/nm -p"
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ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
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continue # so that we can try to find one that supports BSD flags
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test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
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# AC_CHECK_LIBM - check for math library
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AC_DEFUN([AC_CHECK_LIBM],
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[AC_REQUIRE([AC_CANONICAL_HOST])dnl
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*-*-beos* | *-*-cygwin*)
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# These system don't have libm
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AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
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AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
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AC_CHECK_LIB(m, main, LIBM="-lm")
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# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
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# the libltdl convenience library, adds --enable-ltdl-convenience to
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# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
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# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
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# to be `${top_builddir}/libltdl'. Make sure you start DIR with
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# '${top_builddir}/' (note the single quotes!) if your package is not
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# flat, and, if you're not using automake, define top_builddir as
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# appropriate in the Makefiles.
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AC_DEFUN([AC_LIBLTDL_CONVENIENCE], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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case "$enable_ltdl_convenience" in
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no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
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"") enable_ltdl_convenience=yes
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ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
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LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
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INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
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# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
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# the libltdl installable library, and adds --enable-ltdl-install to
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# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
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# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
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# to be `${top_builddir}/libltdl'. Make sure you start DIR with
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# '${top_builddir}/' (note the single quotes!) if your package is not
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# flat, and, if you're not using automake, define top_builddir as
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# appropriate in the Makefiles.
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# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
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AC_DEFUN([AC_LIBLTDL_INSTALLABLE], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_CHECK_LIB(ltdl, main,
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[test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
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[if test x"$enable_ltdl_install" = xno; then
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AC_MSG_WARN([libltdl not installed, but installation disabled])
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enable_ltdl_install=yes
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if test x"$enable_ltdl_install" = x"yes"; then
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ac_configure_args="$ac_configure_args --enable-ltdl-install"
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LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
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INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
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ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
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AC_DEFUN([AM_PROG_LIBTOOL], [indir([AC_PROG_LIBTOOL])])dnl
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AC_DEFUN([AM_ENABLE_SHARED], [indir([AC_ENABLE_SHARED], $@)])dnl
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AC_DEFUN([AM_ENABLE_STATIC], [indir([AC_ENABLE_STATIC], $@)])dnl
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AC_DEFUN([AM_DISABLE_SHARED], [indir([AC_DISABLE_SHARED], $@)])dnl
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AC_DEFUN([AM_DISABLE_STATIC], [indir([AC_DISABLE_STATIC], $@)])dnl
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AC_DEFUN([AM_PROG_LD], [indir([AC_PROG_LD])])dnl
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AC_DEFUN([AM_PROG_NM], [indir([AC_PROG_NM])])dnl
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dnl This is just to silence aclocal about the macro not being used
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ifelse([AC_DISABLE_FAST_INSTALL])dnl
added
removed
libtool.m4.in
