mirror of git://gcc.gnu.org/git/gcc.git
1290 lines
41 KiB
Bash
1290 lines
41 KiB
Bash
## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-
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## Copyright (C) 1996-1999,2000 Free Software Foundation, Inc.
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## Originally by 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 45 AC_PROG_LIBTOOL
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AC_DEFUN(AC_PROG_LIBTOOL,[AC_REQUIRE([_AC_PROG_LIBTOOL])
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dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
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dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
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AC_PROVIDE_IFELSE([AC_PROG_CXX],
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[AC_LIBTOOL_CXX],
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[define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
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])])
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dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
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dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
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dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
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AC_PROVIDE_IFELSE([AC_PROG_GCJ],
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[AC_LIBTOOL_GCJ],
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[AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
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[AC_LIBTOOL_GCJ],
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[ifdef([AC_PROG_GCJ],
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[define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ
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])])
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ifdef([A][M_PROG_GCJ],
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[define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ
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])])])])])
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AC_DEFUN(_AC_PROG_LIBTOOL,
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
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# Save cache, so that ltconfig can load it
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AC_CACHE_SAVE
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# Actually configure libtool. ac_aux_dir is where install-sh is found.
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AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
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MAGIC="$MAGIC" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
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LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
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AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
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objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
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deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
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${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
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$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \
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|| AC_MSG_ERROR([libtool configure failed])
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# Reload cache, that may have been modified by ltconfig
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AC_CACHE_LOAD
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# This can be used to rebuild libtool when needed
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LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh"
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# Always use our own libtool.
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LIBTOOL='$(SHELL) $(top_builddir)/libtool'
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AC_SUBST(LIBTOOL)dnl
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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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exec 5>>./config.log
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])
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AC_DEFUN(AC_LIBTOOL_SETUP,
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[AC_PREREQ(2.13)dnl
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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_CC])dnl
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AC_REQUIRE([AC_PROG_LD])dnl
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AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])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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AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
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# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
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AC_REQUIRE([AC_OBJEXT])dnl
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AC_REQUIRE([AC_EXEEXT])dnl
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dnl
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# Only perform the check for file, if the check method requires it
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case "$deplibs_check_method" in
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file_magic*)
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if test "$file_magic_cmd" = '${MAGIC}'; then
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AC_PATH_MAGIC
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fi
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;;
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esac
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_CHECK_TOOL(STRIP, strip, :)
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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="$libtool_flags --silent"
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AC_ARG_WITH(pic,
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[ --with-pic try to use only PIC/non-PIC objects [default=use both]],
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pic_mode="$withval", pic_mode=default)
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test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
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test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
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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 "$host" in
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*-*-irix6*)
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# Find out which ABI we are using.
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echo '[#]line __oline__ "configure"' > conftest.$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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*32-bit*)
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LD="${LD-ld} -32"
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;;
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*N32*)
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LD="${LD-ld} -n32"
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;;
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*64-bit*)
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LD="${LD-ld} -64"
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;;
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esac
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fi
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rm -rf conftest*
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;;
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*-*-sco3.2v5*)
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# On SCO OpenServer 5, we need -belf to get full-featured binaries.
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -belf"
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AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
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[AC_LANG_SAVE
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AC_LANG_C
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AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
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AC_LANG_RESTORE])
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if test x"$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="$SAVE_CFLAGS"
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fi
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;;
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[*-*-cygwin* | *-*-mingw*)
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AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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AC_CHECK_TOOL(AS, as, false)
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AC_CHECK_TOOL(OBJDUMP, objdump, false)
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# recent cygwin and mingw systems supply a stub DllMain which the user
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# can override, but on older systems we have to supply one
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AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
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[AC_TRY_LINK([],
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[extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
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DllMain (0, 0, 0);],
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[lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
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case "$host/$CC" in
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*-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
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# old mingw systems require "-dll" to link a DLL, while more recent ones
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# require "-mdll"
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -mdll"
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AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
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[AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
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CFLAGS="$SAVE_CFLAGS" ;;
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*-*-cygwin*)
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# cygwin systems need to pass --dll to the linker, and not link
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# crt.o which will require a WinMain@16 definition.
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lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
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esac
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;;
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])
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esac
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])
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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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# `yes'.
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AC_DEFUN(AC_ENABLE_SHARED, [dnl
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define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(shared,
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changequote(<<, >>)dnl
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<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_shared=yes ;;
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no) enable_shared=no ;;
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*)
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enable_shared=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${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$p"; then
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enable_shared=yes
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac],
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enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
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])
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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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# `yes'.
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AC_DEFUN(AC_ENABLE_STATIC, [dnl
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define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(static,
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changequote(<<, >>)dnl
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<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_static=yes ;;
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no) enable_static=no ;;
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*)
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enable_static=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${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$p"; then
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enable_static=yes
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac],
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enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
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])
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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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# `yes'.
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AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
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define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(fast-install,
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changequote(<<, >>)dnl
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<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_fast_install=yes ;;
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no) enable_fast_install=no ;;
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*)
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enable_fast_install=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${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$p"; then
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enable_fast_install=yes
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac],
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enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
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])
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# AC_DISABLE_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_LIBTOOL_PICMODE - implement the --with-pic flag
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# Usage: AC_LIBTOOL_PICMODE[(MODE)]
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# Where MODE is either `yes' or `no'. If omitted, it defaults to
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# `both'.
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AC_DEFUN(AC_LIBTOOL_PICMODE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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pic_mode=ifelse($#,1,$1,default)])
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# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
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AC_DEFUN(AC_PATH_TOOL_PREFIX,
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[AC_MSG_CHECKING([for $1])
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AC_CACHE_VAL(lt_cv_path_MAGIC,
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[case "$MAGIC" in
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/*)
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lt_cv_path_MAGIC="$MAGIC" # Let the user override the test with a path.
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;;
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?:/*)
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ac_cv_path_MAGIC="$MAGIC" # Let the user override the test with a dos path.
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;;
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*)
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ac_save_MAGIC="$MAGIC"
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
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dnl $ac_dummy forces splitting on constant user-supplied paths.
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dnl POSIX.2 word splitting is done only on the output of word expansions,
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dnl not every word. This closes a longstanding sh security hole.
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ac_dummy="ifelse([$2], , $PATH, [$2])"
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for ac_dir in $ac_dummy; do
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test -z "$ac_dir" && ac_dir=.
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if test -f $ac_dir/$1; then
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lt_cv_path_MAGIC="$ac_dir/$1"
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if test -n "$file_magic_test_file"; then
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case "$deplibs_check_method" in
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"file_magic "*)
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file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
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MAGIC="$lt_cv_path_MAGIC"
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if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
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egrep "$file_magic_regex" > /dev/null; then
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:
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else
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cat <<EOF 1>&2
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*** Warning: the command libtool uses to detect shared libraries,
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*** $file_magic_cmd, produces output that libtool cannot recognize.
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*** The result is that libtool may fail to recognize shared libraries
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*** as such. This will affect the creation of libtool libraries that
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*** depend on shared libraries, but programs linked with such libtool
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*** libraries will work regardless of this problem. Nevertheless, you
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*** may want to report the problem to your system manager and/or to
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*** bug-libtool@gnu.org
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EOF
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fi ;;
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esac
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fi
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break
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fi
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done
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IFS="$ac_save_ifs"
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MAGIC="$ac_save_MAGIC"
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;;
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esac])
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MAGIC="$lt_cv_path_MAGIC"
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if test -n "$MAGIC"; then
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AC_MSG_RESULT($MAGIC)
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else
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AC_MSG_RESULT(no)
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fi
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])
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# AC_PATH_MAGIC - find a file program which can recognise a shared library
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AC_DEFUN(AC_PATH_MAGIC,
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[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
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AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
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if test -z "$lt_cv_path_MAGIC"; then
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if test -n "$ac_tool_prefix"; then
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AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
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else
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MAGIC=:
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fi
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fi
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])
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# AC_PROG_LD - find the path to the GNU or non-GNU linker
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AC_DEFUN(AC_PROG_LD,
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[AC_ARG_WITH(gnu-ld,
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[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
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test "$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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ac_prog=ld
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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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case $host in
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*-*-mingw*)
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# gcc leaves a trailing carriage return which upsets mingw
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ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
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*)
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ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
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|
esac
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case "$ac_prog" in
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# Accept absolute paths.
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changequote(,)dnl
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[\\/]* | [A-Za-z]:[\\/]*)
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re_direlt='/[^/][^/]*/\.\./'
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changequote([,])dnl
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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
|
|
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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
|
|
ac_cv_prog_gnu_ld=yes
|
|
else
|
|
ac_cv_prog_gnu_ld=no
|
|
fi])
|
|
with_gnu_ld=$ac_cv_prog_gnu_ld
|
|
])
|
|
|
|
# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
|
|
# -- PORTME Some linkers may need a different reload flag.
|
|
AC_DEFUN(AC_PROG_LD_RELOAD_FLAG,
|
|
[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
|
|
[lt_cv_ld_reload_flag='-r'])
|
|
reload_flag=$lt_cv_ld_reload_flag
|
|
test -n "$reload_flag" && reload_flag=" $reload_flag"
|
|
])
|
|
|
|
# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
|
|
# -- PORTME fill in with the dynamic library characteristics
|
|
AC_DEFUN(AC_DEPLIBS_CHECK_METHOD,
|
|
[AC_CACHE_CHECK([how to recognise dependant libraries],
|
|
lt_cv_deplibs_check_method,
|
|
[lt_cv_file_magic_cmd='${MAGIC}'
|
|
lt_cv_file_magic_test_file=
|
|
lt_cv_deplibs_check_method='unknown'
|
|
# Need to set the preceding variable on all platforms that support
|
|
# interlibrary dependencies.
|
|
# 'none' -- dependencies not supported.
|
|
# `unknown' -- same as none, but documents that we really don't know.
|
|
# 'pass_all' -- all dependencies passed with no checks.
|
|
# 'test_compile' -- check by making test program.
|
|
# 'file_magic [regex]' -- check by looking for files in library path
|
|
# which responds to the $file_magic_cmd with a given egrep regex.
|
|
# If you have `file' or equivalent on your system and you're not sure
|
|
# whether `pass_all' will *always* work, you probably want this one.
|
|
|
|
case "$host_os" in
|
|
aix4*)
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
|
|
beos*)
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
|
|
bsdi4*)
|
|
changequote(,)dnl
|
|
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
|
|
changequote([, ])dnl
|
|
lt_cv_file_magic_cmd='/usr/bin/file -L'
|
|
lt_cv_file_magic_test_file=/shlib/libc.so
|
|
;;
|
|
|
|
cygwin* | mingw*)
|
|
lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
|
|
lt_cv_file_magic_cmd='${OBJDUMP} -f'
|
|
;;
|
|
|
|
freebsd* )
|
|
if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
|
|
case "$host_cpu" in
|
|
i*86 )
|
|
# Not sure whether the presence of OpenBSD here was a mistake.
|
|
# Let's accept both of them until this is cleared up.
|
|
changequote(,)dnl
|
|
lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library'
|
|
changequote([, ])dnl
|
|
lt_cv_file_magic_cmd=/usr/bin/file
|
|
lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
|
|
;;
|
|
esac
|
|
else
|
|
lt_cv_deplibs_check_method=pass_all
|
|
fi
|
|
;;
|
|
|
|
gnu*)
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
|
|
hpux10.20*)
|
|
# TODO: Does this work for hpux-11 too?
|
|
lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
|
|
lt_cv_file_magic_cmd=/usr/bin/file
|
|
lt_cv_file_magic_test_file=/usr/lib/libc.sl
|
|
;;
|
|
|
|
irix5* | irix6*)
|
|
case "$host_os" in
|
|
irix5*)
|
|
# this will be overridden with pass_all, but let us keep it just in case
|
|
lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
|
|
;;
|
|
*)
|
|
case "$LD" in
|
|
*-32|*"-32 ") libmagic=32-bit;;
|
|
*-n32|*"-n32 ") libmagic=N32;;
|
|
*-64|*"-64 ") libmagic=64-bit;;
|
|
*) libmagic=never-match;;
|
|
esac
|
|
# this will be overridden with pass_all, but let us keep it just in case
|
|
changequote(,)dnl
|
|
lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
|
|
changequote([, ])dnl
|
|
;;
|
|
esac
|
|
lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
|
|
# This must be Linux ELF.
|
|
linux-gnu*)
|
|
case "$host_cpu" in
|
|
alpha* | i*86 | powerpc* | sparc* | ia64* )
|
|
lt_cv_deplibs_check_method=pass_all ;;
|
|
*)
|
|
# glibc up to 2.1.1 does not perform some relocations on ARM
|
|
changequote(,)dnl
|
|
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
|
|
changequote([, ])dnl
|
|
esac
|
|
lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
|
|
;;
|
|
|
|
netbsd*)
|
|
if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then :
|
|
else
|
|
changequote(,)dnl
|
|
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
|
|
changequote([, ])dnl
|
|
lt_cv_file_magic_cmd='/usr/bin/file -L'
|
|
lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
|
|
fi
|
|
;;
|
|
|
|
osf3* | osf4* | osf5*)
|
|
# this will be overridden with pass_all, but let us keep it just in case
|
|
lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
|
|
lt_cv_file_magic_test_file=/shlib/libc.so
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
|
|
sco3.2v5*)
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
|
|
solaris*)
|
|
lt_cv_deplibs_check_method=pass_all
|
|
lt_cv_file_magic_test_file=/lib/libc.so
|
|
;;
|
|
|
|
sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
|
|
case "$host_vendor" in
|
|
ncr)
|
|
lt_cv_deplibs_check_method=pass_all
|
|
;;
|
|
motorola)
|
|
changequote(,)dnl
|
|
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
|
|
changequote([, ])dnl
|
|
lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
])
|
|
file_magic_cmd=$lt_cv_file_magic_cmd
|
|
deplibs_check_method=$lt_cv_deplibs_check_method
|
|
])
|
|
|
|
|
|
# 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=.
|
|
tmp_nm=$ac_dir/${ac_tool_prefix}nm
|
|
if test -f $tmp_nm || test -f $tmp_nm$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
|
|
# Tru64's nm complains that /dev/null is an invalid object file
|
|
if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
|
|
ac_cv_path_NM="$tmp_nm -B"
|
|
break
|
|
elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
|
|
ac_cv_path_NM="$tmp_nm -p"
|
|
break
|
|
else
|
|
ac_cv_path_NM=${ac_cv_path_NM="$tmp_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 "$host" in
|
|
*-*-beos* | *-*-cygwin*)
|
|
# These system don't have libm
|
|
;;
|
|
*-ncr-sysv4.3*)
|
|
AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
|
|
AC_CHECK_LIB(m, main, LIBM="$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 and INCLTDL to the include flags for
|
|
# the libltdl header and adds --enable-ltdl-convenience to the
|
|
# configure arguments. Note that LIBLTDL and INCLTDL are not
|
|
# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
|
|
# provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
|
|
# with '${top_builddir}/' and INCLTDL will be prefixed with
|
|
# '${top_srcdir}/' (note the single quotes!). If your package is not
|
|
# flat and you're not using automake, define top_builddir and
|
|
# top_srcdir appropriately 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="$ac_configure_args --enable-ltdl-convenience" ;;
|
|
esac
|
|
LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
|
|
INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
|
|
])
|
|
|
|
# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
|
|
# the libltdl installable library and INCLTDL to the include flags for
|
|
# the libltdl header and adds --enable-ltdl-install to the configure
|
|
# arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
|
|
# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
|
|
# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
|
|
# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
|
|
# with '${top_srcdir}/' (note the single quotes!). If your package is
|
|
# not flat and you're not using automake, define top_builddir and
|
|
# top_srcdir appropriately 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="$ac_configure_args --enable-ltdl-install"
|
|
LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
|
|
INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
|
|
else
|
|
ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
|
|
LIBLTDL="-lltdl"
|
|
INCLTDL=
|
|
fi
|
|
])
|
|
|
|
# If this macro is not defined by Autoconf, define it here.
|
|
ifdef([AC_PROVIDE_IFELSE],
|
|
[],
|
|
[define([AC_PROVIDE_IFELSE],
|
|
[ifdef([AC_PROVIDE_$1],
|
|
[$2], [$3])])])
|
|
|
|
# AC_LIBTOOL_CXX - enable support for C++ libraries
|
|
AC_DEFUN(AC_LIBTOOL_CXX,[AC_REQUIRE([_AC_LIBTOOL_CXX])])
|
|
AC_DEFUN(_AC_LIBTOOL_CXX,
|
|
[AC_REQUIRE([AC_PROG_LIBTOOL])
|
|
AC_REQUIRE([AC_PROG_CXX])
|
|
AC_REQUIRE([AC_PROG_CXXCPP])
|
|
LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
|
|
lt_save_CC="$CC"
|
|
lt_save_CFLAGS="$CFLAGS"
|
|
dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
|
|
dnl is set to the C++ compiler.
|
|
AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
|
|
MAGIC="$MAGIC" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
|
|
LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
|
|
AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
|
|
objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
|
|
deplibs_check_method="$deplibs_check_method" \
|
|
file_magic_cmd="$file_magic_cmd" \
|
|
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
|
|
--build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
|
|
|| AC_MSG_ERROR([libtool tag configuration failed])
|
|
CC="$lt_save_CC"
|
|
CFLAGS="$lt_save_CFLAGS"
|
|
|
|
# Redirect the config.log output again, so that the ltconfig log is not
|
|
# clobbered by the next message.
|
|
exec 5>>./config.log
|
|
])
|
|
|
|
# AC_LIBTOOL_GCJ - enable support for GCJ libraries
|
|
AC_DEFUN(AC_LIBTOOL_GCJ,[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
|
|
AC_DEFUN(_AC_LIBTOOL_GCJ,
|
|
[AC_REQUIRE([AC_PROG_LIBTOOL])
|
|
AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
|
|
[AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
|
|
[ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
|
|
[ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
|
|
[AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])
|
|
LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
|
|
lt_save_CC="$CC"
|
|
lt_save_CFLAGS="$CFLAGS"
|
|
dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
|
|
dnl is set to the C++ compiler.
|
|
AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="" \
|
|
MAGIC="$MAGIC" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
|
|
LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
|
|
AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
|
|
objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
|
|
deplibs_check_method="$deplibs_check_method" \
|
|
file_magic_cmd="$file_magic_cmd" \
|
|
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
|
|
--build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
|
|
|| AC_MSG_ERROR([libtool tag configuration failed])
|
|
CC="$lt_save_CC"
|
|
CFLAGS="$lt_save_CFLAGS"
|
|
|
|
# Redirect the config.log output again, so that the ltconfig log is not
|
|
# clobbered by the next message.
|
|
exec 5>>./config.log
|
|
])
|
|
|
|
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], $@)])dnl
|
|
AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
|
|
AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
|
|
|
|
dnl This is just to silence aclocal about the macro not being used
|
|
ifelse([AC_DISABLE_FAST_INSTALL])dnl
|
|
|
|
AC_DEFUN([LT_AC_PROG_GCJ],[
|
|
AC_CHECK_TOOL(GCJ, gcj, no)
|
|
test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
|
|
AC_SUBST(GCJFLAGS)
|
|
])
|
|
## ltdl.m4 - Configure ltdl for the target system. -*-Shell-script-*-
|
|
## Copyright (C) 1999-2000 Free Software Foundation, Inc.
|
|
##
|
|
## 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 1 AC_LIB_LTDL
|
|
|
|
AC_DEFUN(AC_LIB_LTDL,
|
|
[AC_PREREQ(2.13)dnl
|
|
AC_REQUIRE([AC_PROG_CC])dnl
|
|
AC_REQUIRE([AC_C_CONST])dnl
|
|
AC_REQUIRE([AC_C_INLINE])dnl
|
|
|
|
dnl AC_LIB_LTDL must perform all the checks necessary for compilation
|
|
dnl of the ltdl objects -- including compiler checks (above) and header
|
|
dnl checks (below).
|
|
AC_REQUIRE([AC_HEADER_STDC])dnl
|
|
|
|
AC_CHECK_HEADERS(malloc.h memory.h stdlib.h stdio.h ctype.h dlfcn.h dl.h dld.h)
|
|
AC_CHECK_HEADERS(string.h strings.h, break)
|
|
AC_CHECK_FUNCS(strchr index, break)
|
|
AC_CHECK_FUNCS(strrchr rindex, break)
|
|
AC_CHECK_FUNCS(strcmp)
|
|
|
|
AC_REQUIRE([AC_LTDL_ENABLE_INSTALL])dnl
|
|
AC_REQUIRE([AC_LTDL_SHLIBEXT])dnl
|
|
AC_REQUIRE([AC_LTDL_SHLIBPATH])dnl
|
|
AC_REQUIRE([AC_LTDL_SYSSEARCHPATH])dnl
|
|
AC_REQUIRE([AC_LTDL_OBJDIR])dnl
|
|
AC_REQUIRE([AC_LTDL_DLPREOPEN])dnl
|
|
AC_REQUIRE([AC_LTDL_DLLIB])dnl
|
|
AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_ENABLE_INSTALL,
|
|
[AC_ARG_ENABLE(ltdl-install,
|
|
[ --enable-ltdl-install install libltdl])
|
|
|
|
AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno)
|
|
AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno)
|
|
])])
|
|
|
|
|
|
AC_DEFUN(AC_LTDL_SNARF_CONFIG,
|
|
[# Read the libtool configuration
|
|
rm -f conftest
|
|
./libtool --config > conftest
|
|
. ./conftest
|
|
rm -f conftest
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_SHLIBEXT,
|
|
[AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl
|
|
AC_CACHE_CHECK([which extension is used for shared libraries],
|
|
libltdl_cv_shlibext, [dnl
|
|
(
|
|
last=
|
|
for spec in $library_names_spec; do
|
|
last="$spec"
|
|
done
|
|
changequote(, )
|
|
echo "$last" | sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//' > conftest
|
|
changequote([, ])
|
|
)
|
|
libltdl_cv_shlibext=`cat conftest`
|
|
rm -f conftest
|
|
])
|
|
if test -n "$libltdl_cv_shlibext"; then
|
|
AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext",
|
|
[Define to the extension used for shared libraries, say, ".so". ])
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_SHLIBPATH,
|
|
[AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl
|
|
AC_CACHE_CHECK([which variable specifies run-time library path],
|
|
libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"])
|
|
if test -n "$libltdl_cv_shlibpath_var"; then
|
|
AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var",
|
|
[Define to the name of the environment variable that determines the dynamic library search path. ])
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_SYSSEARCHPATH,
|
|
[AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl
|
|
AC_CACHE_CHECK([for the default library search path],
|
|
libltdl_cv_sys_search_path, [libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"])
|
|
if test -n "$libltdl_cv_sys_search_path"; then
|
|
case "$host" in
|
|
*-*-mingw*) pathsep=";" ;;
|
|
*) pathsep=":" ;;
|
|
esac
|
|
sys_search_path=
|
|
for dir in $libltdl_cv_sys_search_path; do
|
|
if test -z "$sys_search_path"; then
|
|
sys_search_path="$dir"
|
|
else
|
|
sys_search_path="$sys_search_path$pathsep$dir"
|
|
fi
|
|
done
|
|
AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path",
|
|
[Define to the system default library search path. ])
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_OBJDIR,
|
|
[AC_CACHE_CHECK([for objdir],
|
|
libltdl_cv_objdir, [libltdl_cv_objdir="$objdir"
|
|
if test -n "$objdir"; then
|
|
:
|
|
else
|
|
rm -f .libs 2>/dev/null
|
|
mkdir .libs 2>/dev/null
|
|
if test -d .libs; then
|
|
libltdl_cv_objdir=.libs
|
|
else
|
|
# MS-DOS does not allow filenames that begin with a dot.
|
|
libltdl_cv_objdir=_libs
|
|
fi
|
|
rmdir .libs 2>/dev/null
|
|
fi])
|
|
AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/",
|
|
[Define to the sub-directory in which libtool stores uninstalled libraries. ])
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_DLPREOPEN,
|
|
[AC_REQUIRE([AC_LTDL_GLOBAL_SYMBOL_PIPE])dnl
|
|
AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen],
|
|
libltdl_cv_preloaded_symbols, [dnl
|
|
if test -n "$global_symbol_pipe"; then
|
|
libltdl_cv_preloaded_symbols=yes
|
|
else
|
|
libltdl_cv_preloaded_symbols=no
|
|
fi
|
|
])
|
|
if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then
|
|
AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1,
|
|
[Define if libtool can extract symbol lists from object files. ])
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_DLLIB,
|
|
[LIBADD_DL=
|
|
AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
|
[Define if you have the libdl library or equivalent. ]) LIBADD_DL="-ldl"],
|
|
[AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
|
[Define if you have the libdl library or equivalent.])],
|
|
[AC_CHECK_LIB(svld, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
|
[Define if you have the libdl library or equivalent.]) LIBADD_DL="-lsvld"]
|
|
)])])
|
|
AC_CHECK_FUNC(shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1,
|
|
[Define if you have the shl_load function.])],
|
|
[AC_CHECK_LIB(dld, shl_load,
|
|
[AC_DEFINE(HAVE_SHL_LOAD, 1,
|
|
[Define if you have the shl_load function.])
|
|
LIBADD_DL="$LIBADD_DL -ldld"])
|
|
])
|
|
AC_CHECK_LIB(dld, dld_link, [AC_DEFINE(HAVE_DLD, 1,
|
|
[Define if you have the GNU dld library.])dnl
|
|
test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"])
|
|
AC_SUBST(LIBADD_DL)
|
|
|
|
if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then
|
|
LIBS_SAVE="$LIBS"
|
|
LIBS="$LIBS $LIBADD_DL"
|
|
AC_CHECK_FUNCS(dlerror)
|
|
LIBS="$LIBS_SAVE"
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_GLOBAL_SYMBOL_PIPE,
|
|
[dnl Check for command to grab the raw symbol name followed
|
|
dnl by C symbol name from nm.
|
|
AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|
AC_REQUIRE([AC_PROG_NM])dnl
|
|
# Check for command to grab the raw symbol name followed by C symbol from nm.
|
|
AC_MSG_CHECKING([command to parse $NM output])
|
|
AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe,
|
|
[# These are sane defaults that work on at least a few old systems.
|
|
# {They come from Ultrix. What could be older than Ultrix?!! ;)}
|
|
|
|
changequote(,)dnl
|
|
# Character class describing NM global symbol codes.
|
|
ac_symcode='[BCDEGRST]'
|
|
|
|
# Regexp to match symbols that can be accessed directly from C.
|
|
ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
|
|
|
|
# Transform the above into a raw symbol and a C symbol.
|
|
ac_symxfrm='\1 \2\3 \3'
|
|
|
|
# Transform an extracted symbol line into a proper C declaration
|
|
ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
|
|
|
|
# Define system-specific variables.
|
|
case "$host_os" in
|
|
aix*)
|
|
ac_symcode='[BCDT]'
|
|
;;
|
|
cygwin* | mingw*)
|
|
ac_symcode='[ABCDGISTW]'
|
|
;;
|
|
hpux*)
|
|
ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
|
|
;;
|
|
irix*)
|
|
ac_symcode='[BCDEGRST]'
|
|
;;
|
|
solaris*)
|
|
ac_symcode='[BDT]'
|
|
;;
|
|
esac
|
|
|
|
# If we're using GNU nm, then use its standard symbol codes.
|
|
if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
|
|
ac_symcode='[ABCDGISTW]'
|
|
fi
|
|
changequote([,])dnl
|
|
|
|
# Try without a prefix undercore, then with it.
|
|
for ac_symprfx in "" "_"; do
|
|
|
|
ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'"
|
|
|
|
# Check to see that the pipe works correctly.
|
|
ac_pipe_works=no
|
|
rm -f conftest.$ac_ext
|
|
cat > conftest.$ac_ext <<EOF
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
char nm_test_var;
|
|
void nm_test_func(){}
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
int main(){nm_test_var='a';nm_test_func;return 0;}
|
|
EOF
|
|
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
# Now try to grab the symbols.
|
|
ac_nlist=conftest.nm
|
|
|
|
if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
|
|
|
|
# Try sorting and uniquifying the output.
|
|
if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
|
|
mv -f "$ac_nlist"T "$ac_nlist"
|
|
else
|
|
rm -f "$ac_nlist"T
|
|
fi
|
|
|
|
# Make sure that we snagged all the symbols we need.
|
|
if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then
|
|
if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then
|
|
cat <<EOF > conftest.c
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
EOF
|
|
# Now generate the symbol file.
|
|
eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c'
|
|
|
|
cat <<EOF >> conftest.c
|
|
#if defined (__STDC__) && __STDC__
|
|
# define lt_ptr_t void *
|
|
#else
|
|
# define lt_ptr_t char *
|
|
# define const
|
|
#endif
|
|
|
|
/* The mapping between symbol names and symbols. */
|
|
const struct {
|
|
const char *name;
|
|
lt_ptr_t address;
|
|
}
|
|
changequote(,)dnl
|
|
lt_preloaded_symbols[] =
|
|
changequote([,])dnl
|
|
{
|
|
EOF
|
|
sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c
|
|
cat <<\EOF >> conftest.c
|
|
{0, (lt_ptr_t) 0}
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
EOF
|
|
# Now try linking the two files.
|
|
mv conftest.$ac_objext conftstm.$ac_objext
|
|
ac_save_LIBS="$LIBS"
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
LIBS="conftstm.$ac_objext"
|
|
CFLAGS="$CFLAGS$no_builtin_flag"
|
|
if AC_TRY_EVAL(ac_link) && test -s conftest; then
|
|
ac_pipe_works=yes
|
|
else
|
|
echo "configure: failed program was:" >&AC_FD_CC
|
|
cat conftest.c >&AC_FD_CC
|
|
fi
|
|
LIBS="$ac_save_LIBS"
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
else
|
|
echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
|
|
fi
|
|
else
|
|
echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC
|
|
fi
|
|
else
|
|
echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
|
|
fi
|
|
else
|
|
echo "$progname: failed program was:" >&AC_FD_CC
|
|
cat conftest.c >&AC_FD_CC
|
|
fi
|
|
rm -rf conftest* conftst*
|
|
|
|
# Do not use the global_symbol_pipe unless it works.
|
|
if test "$ac_pipe_works" = yes; then
|
|
if test x"$ac_symprfx" = x"_"; then
|
|
ac_cv_sys_symbol_underscore=yes
|
|
else
|
|
ac_cv_sys_symbol_underscore=no
|
|
fi
|
|
break
|
|
else
|
|
ac_cv_sys_global_symbol_pipe=
|
|
fi
|
|
done
|
|
])
|
|
|
|
ac_result=yes
|
|
if test -z "$ac_cv_sys_global_symbol_pipe"; then
|
|
ac_result=no
|
|
fi
|
|
AC_MSG_RESULT($ac_result)
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_SYMBOL_USCORE,
|
|
[dnl does the compiler prefix global symbols with an underscore?
|
|
AC_REQUIRE([AC_LTDL_GLOBAL_SYMBOL_PIPE])dnl
|
|
AC_MSG_CHECKING([for _ prefix in compiled symbols])
|
|
AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
|
|
[ac_cv_sys_symbol_underscore=no
|
|
cat > conftest.$ac_ext <<EOF
|
|
void nm_test_func(){}
|
|
int main(){nm_test_func;return 0;}
|
|
EOF
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
# Now try to grab the symbols.
|
|
ac_nlist=conftest.nm
|
|
if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
|
|
# See whether the symbols have a leading underscore.
|
|
if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
|
|
ac_cv_sys_symbol_underscore=yes
|
|
else
|
|
if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
|
|
:
|
|
else
|
|
echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
|
|
fi
|
|
fi
|
|
else
|
|
echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
|
|
fi
|
|
else
|
|
echo "configure: failed program was:" >&AC_FD_CC
|
|
cat conftest.c >&AC_FD_CC
|
|
fi
|
|
rm -rf conftest*
|
|
])
|
|
AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
|
|
AC_LTDL_DLSYM_USCORE
|
|
])
|
|
|
|
AC_DEFUN(AC_LTDL_DLSYM_USCORE,
|
|
[AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
|
|
if test x"$ac_cv_sys_symbol_underscore" = xyes; then
|
|
if test x"$ac_cv_func_dlopen" = xyes ||
|
|
test x"$ac_cv_lib_dl_dlopen" = xyes ; then
|
|
AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
|
|
libltdl_cv_need_uscore, [dnl
|
|
AC_TRY_RUN([
|
|
#if HAVE_DLFCN_H
|
|
#include <dlfcn.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifdef RTLD_GLOBAL
|
|
# define LTDL_GLOBAL RTLD_GLOBAL
|
|
#else
|
|
# ifdef DL_GLOBAL
|
|
# define LTDL_GLOBAL DL_GLOBAL
|
|
# else
|
|
# define LTDL_GLOBAL 0
|
|
# endif
|
|
#endif
|
|
|
|
/* We may have to define LTDL_LAZY_OR_NOW in the command line if we
|
|
find out it does not work in some platform. */
|
|
#ifndef LTDL_LAZY_OR_NOW
|
|
# ifdef RTLD_LAZY
|
|
# define LTDL_LAZY_OR_NOW RTLD_LAZY
|
|
# else
|
|
# ifdef DL_LAZY
|
|
# define LTDL_LAZY_OR_NOW DL_LAZY
|
|
# else
|
|
# ifdef RTLD_NOW
|
|
# define LTDL_LAZY_OR_NOW RTLD_NOW
|
|
# else
|
|
# ifdef DL_NOW
|
|
# define LTDL_LAZY_OR_NOW DL_NOW
|
|
# else
|
|
# define LTDL_LAZY_OR_NOW 0
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
fnord() { int i=42;}
|
|
main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
|
|
if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
|
|
if(ptr1 && !ptr2) { dlclose(self); exit(0); } } exit(1); }
|
|
], libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes,
|
|
libltdl_cv_need_uscore=cross
|
|
)])
|
|
fi
|
|
fi
|
|
|
|
if test x"$libltdl_cv_need_uscore" = xyes; then
|
|
AC_DEFINE(NEED_USCORE, 1,
|
|
[Define if dlsym() requires a leading underscode in symbol names. ])
|
|
fi
|
|
])
|