## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- ## Copyright (C) 1996-1999 Free Software Foundation, Inc. ## Originally by Gordon Matzigkeit , 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 40 AC_PROG_LIBTOOL AC_DEFUN(AC_PROG_LIBTOOL, [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl # Save cache, so that ltconfig can load it AC_CACHE_SAVE # Actually configure libtool. ac_aux_dir is where install-sh is found. CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \ DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \ ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \ || AC_MSG_ERROR([libtool configure failed]) # Reload cache, that may have been modified by ltconfig AC_CACHE_LOAD # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl # Redirect the config.log output again, so that the ltconfig log is not # clobbered by the next message. exec 5>>./config.log ]) AC_DEFUN(AC_LIBTOOL_SETUP, [AC_PREREQ(2.13)dnl AC_REQUIRE([AC_ENABLE_SHARED])dnl AC_REQUIRE([AC_ENABLE_STATIC])dnl AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_LD])dnl AC_REQUIRE([AC_PROG_NM])dnl AC_REQUIRE([AC_PROG_LN_S])dnl dnl case "$target" in NONE) lt_target="$host" ;; *) lt_target="$target" ;; esac # Check for any special flags to pass to ltconfig. # # the following will cause an existing older ltconfig to fail, so # we ignore this at the expense of the cache file... Checking this # will just take longer ... bummer! #libtool_flags="--cache-file=$cache_file" # test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], [libtool_flags="$libtool_flags --enable-dlopen"]) ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], [libtool_flags="$libtool_flags --enable-win32-dll"]) AC_ARG_ENABLE(libtool-lock, [ --disable-libtool-lock avoid locking (might break parallel builds)]) test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" # Some flags need to be propagated to the compiler or linker for good # libtool support. case "$lt_target" 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. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], [*-*-cygwin* | *-*-mingw*) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; ]) esac ]) # AC_LIBTOOL_DLOPEN - enable checks for dlopen support AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. AC_DEFUN(AC_ENABLE_SHARED, [dnl define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(shared, changequote(<<, >>)dnl << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], changequote([, ])dnl [p=${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=AC_ENABLE_SHARED_DEFAULT)dnl ]) # AC_DISABLE_SHARED - set the default shared flag to --disable-shared AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl AC_ENABLE_SHARED(no)]) # AC_ENABLE_STATIC - implement the --enable-static flag # Usage: AC_ENABLE_STATIC[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. AC_DEFUN(AC_ENABLE_STATIC, [dnl define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(static, changequote(<<, >>)dnl << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], changequote([, ])dnl [p=${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=AC_ENABLE_STATIC_DEFAULT)dnl ]) # AC_DISABLE_STATIC - set the default static flag to --disable-static AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl AC_ENABLE_STATIC(no)]) # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(fast-install, changequote(<<, >>)dnl << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], changequote([, ])dnl [p=${PACKAGE-default} case "$enableval" in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," for pkg in $enableval; do if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS="$ac_save_ifs" ;; esac], enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl ]) # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl AC_ENABLE_FAST_INSTALL(no)]) # AC_PROG_LD - find the path to the GNU or non-GNU linker AC_DEFUN(AC_PROG_LD, [AC_ARG_WITH(gnu-ld, [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl 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. changequote(,)dnl [\\/]* | [A-Za-z]:[\\/]*) re_direlt='/[^/][^/]*/\.\./' changequote([,])dnl # 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 "$with_gnu_ld" = yes; then AC_MSG_CHECKING([for GNU ld]) else AC_MSG_CHECKING([for non-GNU ld]) fi AC_CACHE_VAL(ac_cv_path_LD, [if test -z "$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$ac_exeext"; then ac_cv_path_LD="$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_PROG_LD_GNU ]) AC_DEFUN(AC_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 $LD -v 2>&1 &5; then ac_cv_prog_gnu_ld=yes else ac_cv_prog_gnu_ld=no fi]) ]) # AC_PROG_NM - find the path to a BSD-compatible name lister AC_DEFUN(AC_PROG_NM, [AC_MSG_CHECKING([for BSD-compatible nm]) AC_CACHE_VAL(ac_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. ac_cv_path_NM="$NM" else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; 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" break 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" break else ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags fi fi done IFS="$ac_save_ifs" test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm fi]) NM="$ac_cv_path_NM" AC_MSG_RESULT([$NM]) ]) # AC_CHECK_LIBM - check for math library AC_DEFUN(AC_CHECK_LIBM, [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case "$lt_target" in *-*-beos* | *-*-cygwin*) # These system don't have libm ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, main, LIBM="-lm") ;; esac ]) # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for # the libltdl convenience library, adds --enable-ltdl-convenience to # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed # to be `${top_builddir}/libltdl'. Make sure you start DIR with # '${top_builddir}/' (note the single quotes!) if your package is not # flat, and, if you're not using automake, define top_builddir as # appropriate in the Makefiles. AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl case "$enable_ltdl_convenience" in no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; "") enable_ltdl_convenience=yes ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; esac LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) ]) # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for # the libltdl installable library, and adds --enable-ltdl-install to # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed # to be `${top_builddir}/libltdl'. Make sure you start DIR with # '${top_builddir}/' (note the single quotes!) if your package is not # flat, and, if you're not using automake, define top_builddir as # appropriate in the Makefiles. # In the future, this macro may have to be called after AC_PROG_LIBTOOL. AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl AC_CHECK_LIB(ltdl, main, [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], [if test x"$enable_ltdl_install" = xno; then AC_MSG_WARN([libltdl not installed, but installation disabled]) else enable_ltdl_install=yes fi ]) if test x"$enable_ltdl_install" = x"yes"; then ac_configure_args="$ac_configure_args --enable-ltdl-install" LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) else ac_configure_args="$ac_configure_args --enable-ltdl-install=no" LIBLTDL="-lltdl" INCLTDL= fi ]) dnl old names AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl dnl This is just to silence aclocal about the macro not being used ifelse([AC_DISABLE_FAST_INSTALL])dnl