## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- ## Copyright (C) 1996-1998 Free Software Foundation, Inc. ## 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 25 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 --no-reexec \ $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ || AC_MSG_ERROR([libtool configure failed]) # Redirect the config.log output again, so that the ltconfig log is not # clobbered by the next message. exec 5>>./config.log ]) # 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($1, no, no, yes))dnl AC_ARG_ENABLE(shared, changequote(<<, >>)dnl << --enable-shared[=PKGS] build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT], changequote([, ])dnl [p=${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=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($1, no, no, yes))dnl AC_ARG_ENABLE(static, changequote(<<, >>)dnl << --enable-static[=PKGS] build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT], changequote([, ])dnl [p=${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=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. changequote(,)dnl /* | [A-Za-z]:\\*) changequote([,])dnl 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 $LD -v 2>&1 &5; then ac_cv_prog_gnu_ld=yes else ac_cv_prog_gnu_ld=no fi]) ]) # AM_PROG_NM - find the path to a BSD-compatible name lister AC_DEFUN(AM_PROG_NM, [AC_MSG_CHECKING([for BSD-compatible nm]) AC_CACHE_VAL(ac_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. ac_cv_path_NM="$NM" else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" 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 fi]) NM="$ac_cv_path_NM" AC_MSG_RESULT([$NM]) AC_SUBST(NM) ])