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114 lines
3.9 KiB
Bash
114 lines
3.9 KiB
Bash
## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
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## Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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## Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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##
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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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##
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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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##
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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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##
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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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# serial 7 AM_PROG_LIBTOOL
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AC_DEFUN(AM_PROG_LIBTOOL,
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[AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([AC_PROG_RANLIB])
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AC_REQUIRE([AM_PATH_PROG_LD])
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# Always use our own libtool.
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LIBTOOL='$(top_builddir)/libtool'
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AC_SUBST(LIBTOOL)
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dnl Allow the --disable-shared flag to stop us from building shared libs.
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AC_ARG_ENABLE(shared,
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[ --enable-shared build shared libraries [default=yes]],
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test "$enableval" = no && libtool_shared=" --disable-shared",
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libtool_shared=)
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dnl Allow the --disable-static flag to stop us from building static libs.
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AC_ARG_ENABLE(static,
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[ --enable-static build static libraries [default=yes]],
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test "$enableval" = no && libtool_static=" --disable-static",
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libtool_static=)
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libtool_flags="$libtool_shared$libtool_static"
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test "$silent" = yes && libtool_flags="$libtool_flags --silent"
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test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
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# Some flags need to be propagated to the compiler or linker for good
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# libtool support.
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[case "$host" in
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*-*-irix6*)
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for f in '-32' '-64' '-cckr' '-n32' '-mips1' '-mips2' '-mips3' '-mips4'; do
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if echo " $CC $CFLAGS " | egrep -e "[ ]$f[ ]" > /dev/null; then
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LD="${LD-ld} $f"
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fi
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done
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;;
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*-*-sco3.2v5*)
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# On SCO OpenServer 5, we need -belf to get full-featured binaries.
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CFLAGS="$CFLAGS -belf"
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;;
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esac]
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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="$CPPFLAGS" LD="$LD" RANLIB="$RANLIB" \
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${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \
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$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
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|| AC_MSG_ERROR([libtool configure failed])
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])
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# AM_PATH_PROG_LD - find out which linker is being used by the C compiler
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AC_DEFUN(AM_PATH_PROG_LD,
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[AC_REQUIRE([AC_PROG_CC])
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AC_MSG_CHECKING([for ld used by the C compiler ($CC $CFLAGS $LDFLAGS)])
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AC_CACHE_VAL(am_cv_path_LD,
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[case "$LD" in
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/*)
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ac_cv_path_LD="$LD" # Let the user override the test with a path.
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;;
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*)
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
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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 "$ac_dir/ld"; then
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# Check to see if the program is GNU ld. I'd rather use --version,
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# but apparently some GNU ld's only accept -v.
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if "$ac_dir/ld" -v 2>&1 < /dev/null | egrep '(GNU ld|with BFD)' > /dev/null; then
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# If it was GNU ld, only accept it if we're using GCC.
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am_cv_path_LD="$ac_dir/ld"
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test "$ac_cv_prog_gcc" = yes && break
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else
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# If it was not GNU ld, and we are not using GCC, then accept it.
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am_cv_path_LD="$ac_dir/ld"
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break
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fi
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac])
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LD="$am_cv_path_LD"
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if test -n "$LD"; then
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AC_MSG_RESULT($LD)
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else
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AC_MSG_RESULT(no)
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fi
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test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
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AC_SUBST(LD)
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])
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