| 1 | ## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-
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| 2 | ## Copyright (C) 1996-1999,2000 Free Software Foundation, Inc.
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| 3 | ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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| 4 | ##
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| 5 | ## This program is free software; you can redistribute it and/or modify
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| 6 | ## it under the terms of the GNU General Public License as published by
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| 7 | ## the Free Software Foundation; either version 2 of the License, or
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| 8 | ## (at your option) any later version.
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| 9 | ##
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| 10 | ## This program is distributed in the hope that it will be useful, but
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| 11 | ## WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | ## General Public License for more details.
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| 14 | ##
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| 15 | ## You should have received a copy of the GNU General Public License
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| 16 | ## along with this program; if not, write to the Free Software
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| 17 | ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 18 | ##
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| 19 | ## As a special exception to the GNU General Public License, if you
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| 20 | ## distribute this file as part of a program that contains a
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| 21 | ## configuration script generated by Autoconf, you may include it under
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| 22 | ## the same distribution terms that you use for the rest of that program.
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| 23 |
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| 24 | # serial 45 AC_PROG_LIBTOOL
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| 25 | AC_DEFUN(AC_PROG_LIBTOOL,[AC_REQUIRE([_AC_PROG_LIBTOOL])
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| 26 | dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
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| 27 | dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
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| 28 | AC_PROVIDE_IFELSE([AC_PROG_CXX],
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| 29 | [AC_LIBTOOL_CXX],
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| 30 | [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
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| 31 | ])])
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| 32 |
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| 33 | dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
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| 34 | dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
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| 35 | dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
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| 36 | AC_PROVIDE_IFELSE([AC_PROG_GCJ],
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| 37 | [AC_LIBTOOL_GCJ],
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| 38 | [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
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| 39 | [AC_LIBTOOL_GCJ],
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| 40 | [ifdef([AC_PROG_GCJ],
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| 41 | [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ
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| 42 | ])])
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| 43 | ifdef([A][M_PROG_GCJ],
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| 44 | [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ
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| 45 | ])])])])])
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| 46 |
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| 47 | AC_DEFUN(_AC_PROG_LIBTOOL,
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| 48 | [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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| 49 | AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
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| 50 | AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
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| 51 |
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| 52 | # Save cache, so that ltconfig can load it
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| 53 | AC_CACHE_SAVE
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| 54 |
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| 55 | # Actually configure libtool. ac_aux_dir is where install-sh is found.
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| 56 | AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
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| 57 | MAGIC="$MAGIC" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
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| 58 | LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
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| 59 | AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
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| 60 | objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
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| 61 | deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
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| 62 | ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
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| 63 | $libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \
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| 64 | || AC_MSG_ERROR([libtool configure failed])
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| 65 |
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| 66 | # Reload cache, that may have been modified by ltconfig
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| 67 | AC_CACHE_LOAD
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| 68 |
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| 69 | # This can be used to rebuild libtool when needed
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| 70 | LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh"
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| 71 |
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| 72 | # Always use our own libtool.
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| 73 | LIBTOOL='$(SHELL) $(top_builddir)/libtool'
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| 74 | AC_SUBST(LIBTOOL)dnl
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| 75 |
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| 76 | # Redirect the config.log output again, so that the ltconfig log is not
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| 77 | # clobbered by the next message.
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| 78 | exec 5>>./config.log
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| 79 | ])
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| 80 |
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| 81 | AC_DEFUN(AC_LIBTOOL_SETUP,
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| 82 | [AC_PREREQ(2.13)dnl
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| 83 | AC_REQUIRE([AC_ENABLE_SHARED])dnl
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| 84 | AC_REQUIRE([AC_ENABLE_STATIC])dnl
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| 85 | AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
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| 86 | AC_REQUIRE([AC_CANONICAL_HOST])dnl
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| 87 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl
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| 88 | AC_REQUIRE([AC_PROG_CC])dnl
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| 89 | AC_REQUIRE([AC_PROG_LD])dnl
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| 90 | AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
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| 91 | AC_REQUIRE([AC_PROG_NM])dnl
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| 92 | AC_REQUIRE([AC_PROG_LN_S])dnl
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| 93 | AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
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| 94 | # Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
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| 95 | AC_REQUIRE([AC_OBJEXT])dnl
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| 96 | AC_REQUIRE([AC_EXEEXT])dnl
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| 97 | dnl
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| 98 |
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| 99 | # Only perform the check for file, if the check method requires it
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| 100 | case "$deplibs_check_method" in
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| 101 | file_magic*)
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| 102 | if test "$file_magic_cmd" = '${MAGIC}'; then
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| 103 | AC_PATH_MAGIC
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| 104 | fi
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| 105 | ;;
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| 106 | esac
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| 107 |
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| 108 | AC_CHECK_TOOL(RANLIB, ranlib, :)
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| 109 | AC_CHECK_TOOL(STRIP, strip, :)
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| 110 |
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| 111 | # Check for any special flags to pass to ltconfig.
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| 112 | libtool_flags="--cache-file=$cache_file"
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| 113 | test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
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| 114 | test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
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| 115 | test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
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| 116 | test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
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| 117 | test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
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| 118 | ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
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| 119 | [libtool_flags="$libtool_flags --enable-dlopen"])
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| 120 | ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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| 121 | [libtool_flags="$libtool_flags --enable-win32-dll"])
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| 122 | AC_ARG_ENABLE(libtool-lock,
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| 123 | [ --disable-libtool-lock avoid locking (might break parallel builds)])
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| 124 | test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
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| 125 | test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
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| 126 |
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| 127 | AC_ARG_WITH(pic,
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| 128 | [ --with-pic try to use only PIC/non-PIC objects [default=use both]],
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| 129 | pic_mode="$withval", pic_mode=default)
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| 130 | test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
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| 131 | test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
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| 132 |
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| 133 | # Some flags need to be propagated to the compiler or linker for good
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| 134 | # libtool support.
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| 135 | case "$host" in
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| 136 | *-*-irix6*)
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| 137 | # Find out which ABI we are using.
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| 138 | echo '[#]line __oline__ "configure"' > conftest.$ac_ext
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| 139 | if AC_TRY_EVAL(ac_compile); then
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| 140 | case "`/usr/bin/file conftest.o`" in
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| 141 | *32-bit*)
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| 142 | LD="${LD-ld} -32"
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| 143 | ;;
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| 144 | *N32*)
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| 145 | LD="${LD-ld} -n32"
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| 146 | ;;
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| 147 | *64-bit*)
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| 148 | LD="${LD-ld} -64"
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| 149 | ;;
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| 150 | esac
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| 151 | fi
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| 152 | rm -rf conftest*
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| 153 | ;;
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| 154 |
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| 155 | *-*-sco3.2v5*)
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| 156 | # On SCO OpenServer 5, we need -belf to get full-featured binaries.
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| 157 | SAVE_CFLAGS="$CFLAGS"
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| 158 | CFLAGS="$CFLAGS -belf"
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| 159 | AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
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| 160 | [AC_LANG_SAVE
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| 161 | AC_LANG_C
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| 162 | AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
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| 163 | AC_LANG_RESTORE])
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| 164 | if test x"$lt_cv_cc_needs_belf" != x"yes"; then
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| 165 | # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
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| 166 | CFLAGS="$SAVE_CFLAGS"
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| 167 | fi
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| 168 | ;;
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| 169 |
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| 170 | ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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| 171 | [*-*-cygwin* | *-*-mingw*)
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| 172 | AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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| 173 | AC_CHECK_TOOL(AS, as, false)
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| 174 | AC_CHECK_TOOL(OBJDUMP, objdump, false)
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| 175 |
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| 176 | # recent cygwin and mingw systems supply a stub DllMain which the user
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| 177 | # can override, but on older systems we have to supply one
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| 178 | AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
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| 179 | [AC_TRY_LINK([],
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| 180 | [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
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| 181 | DllMain (0, 0, 0);],
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| 182 | [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
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| 183 |
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| 184 | case "$host/$CC" in
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| 185 | *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
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| 186 | # old mingw systems require "-dll" to link a DLL, while more recent ones
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| 187 | # require "-mdll"
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| 188 | SAVE_CFLAGS="$CFLAGS"
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| 189 | CFLAGS="$CFLAGS -mdll"
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| 190 | AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
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| 191 | [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
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| 192 | CFLAGS="$SAVE_CFLAGS" ;;
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| 193 | *-*-cygwin*)
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| 194 | # cygwin systems need to pass --dll to the linker, and not link
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| 195 | # crt.o which will require a WinMain@16 definition.
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| 196 | lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
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| 197 | esac
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| 198 | ;;
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| 199 | ])
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| 200 | esac
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| 201 | ])
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| 202 |
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| 203 | # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
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| 204 | AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
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| 205 |
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| 206 | # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
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| 207 | AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
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| 208 |
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| 209 | # AC_ENABLE_SHARED - implement the --enable-shared flag
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| 210 | # Usage: AC_ENABLE_SHARED[(DEFAULT)]
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| 211 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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| 212 | # `yes'.
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| 213 | AC_DEFUN(AC_ENABLE_SHARED, [dnl
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| 214 | define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
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| 215 | AC_ARG_ENABLE(shared,
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| 216 | changequote(<<, >>)dnl
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| 217 | << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
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| 218 | changequote([, ])dnl
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| 219 | [p=${PACKAGE-default}
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| 220 | case "$enableval" in
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| 221 | yes) enable_shared=yes ;;
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| 222 | no) enable_shared=no ;;
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| 223 | *)
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| 224 | enable_shared=no
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| 225 | # Look at the argument we got. We use all the common list separators.
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| 226 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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| 227 | for pkg in $enableval; do
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| 228 | if test "X$pkg" = "X$p"; then
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| 229 | enable_shared=yes
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| 230 | fi
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| 231 | done
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| 232 | IFS="$ac_save_ifs"
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| 233 | ;;
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| 234 | esac],
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| 235 | enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
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| 236 | ])
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| 237 |
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| 238 | # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
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| 239 | AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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| 240 | AC_ENABLE_SHARED(no)])
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| 241 |
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| 242 | # AC_ENABLE_STATIC - implement the --enable-static flag
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| 243 | # Usage: AC_ENABLE_STATIC[(DEFAULT)]
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| 244 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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| 245 | # `yes'.
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| 246 | AC_DEFUN(AC_ENABLE_STATIC, [dnl
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| 247 | define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
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| 248 | AC_ARG_ENABLE(static,
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| 249 | changequote(<<, >>)dnl
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| 250 | << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
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| 251 | changequote([, ])dnl
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| 252 | [p=${PACKAGE-default}
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| 253 | case "$enableval" in
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| 254 | yes) enable_static=yes ;;
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| 255 | no) enable_static=no ;;
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| 256 | *)
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| 257 | enable_static=no
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| 258 | # Look at the argument we got. We use all the common list separators.
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| 259 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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| 260 | for pkg in $enableval; do
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| 261 | if test "X$pkg" = "X$p"; then
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| 262 | enable_static=yes
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| 263 | fi
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| 264 | done
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| 265 | IFS="$ac_save_ifs"
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| 266 | ;;
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| 267 | esac],
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| 268 | enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
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| 269 | ])
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| 270 |
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| 271 | # AC_DISABLE_STATIC - set the default static flag to --disable-static
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| 272 | AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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| 273 | AC_ENABLE_STATIC(no)])
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| 274 |
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| 275 |
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| 276 | # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
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| 277 | # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
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| 278 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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| 279 | # `yes'.
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| 280 | AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
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| 281 | define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
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| 282 | AC_ARG_ENABLE(fast-install,
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| 283 | changequote(<<, >>)dnl
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| 284 | << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
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| 285 | changequote([, ])dnl
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| 286 | [p=${PACKAGE-default}
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| 287 | case "$enableval" in
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| 288 | yes) enable_fast_install=yes ;;
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| 289 | no) enable_fast_install=no ;;
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| 290 | *)
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| 291 | enable_fast_install=no
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| 292 | # Look at the argument we got. We use all the common list separators.
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| 293 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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| 294 | for pkg in $enableval; do
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| 295 | if test "X$pkg" = "X$p"; then
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| 296 | enable_fast_install=yes
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| 297 | fi
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| 298 | done
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| 299 | IFS="$ac_save_ifs"
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| 300 | ;;
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| 301 | esac],
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| 302 | enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
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| 303 | ])
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| 304 |
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| 305 | # AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
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| 306 | AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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| 307 | AC_ENABLE_FAST_INSTALL(no)])
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| 308 |
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| 309 | # AC_LIBTOOL_PICMODE - implement the --with-pic flag
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| 310 | # Usage: AC_LIBTOOL_PICMODE[(MODE)]
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| 311 | # Where MODE is either `yes' or `no'. If omitted, it defaults to
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| 312 | # `both'.
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| 313 | AC_DEFUN(AC_LIBTOOL_PICMODE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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| 314 | pic_mode=ifelse($#,1,$1,default)])
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| 315 |
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| 316 |
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| 317 | # AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
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| 318 | AC_DEFUN(AC_PATH_TOOL_PREFIX,
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| 319 | [AC_MSG_CHECKING([for $1])
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| 320 | AC_CACHE_VAL(lt_cv_path_MAGIC,
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| 321 | [case "$MAGIC" in
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| 322 | /*)
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| 323 | lt_cv_path_MAGIC="$MAGIC" # Let the user override the test with a path.
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| 324 | ;;
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| 325 | ?:/*)
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| 326 | ac_cv_path_MAGIC="$MAGIC" # Let the user override the test with a dos path.
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| 327 | ;;
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| 328 | *)
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| 329 | ac_save_MAGIC="$MAGIC"
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| 330 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
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| 331 | dnl $ac_dummy forces splitting on constant user-supplied paths.
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| 332 | dnl POSIX.2 word splitting is done only on the output of word expansions,
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| 333 | dnl not every word. This closes a longstanding sh security hole.
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| 334 | ac_dummy="ifelse([$2], , $PATH, [$2])"
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| 335 | for ac_dir in $ac_dummy; do
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| 336 | test -z "$ac_dir" && ac_dir=.
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| 337 | if test -f $ac_dir/$1; then
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| 338 | lt_cv_path_MAGIC="$ac_dir/$1"
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| 339 | if test -n "$file_magic_test_file"; then
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|---|
| 340 | case "$deplibs_check_method" in
|
|---|
| 341 | "file_magic "*)
|
|---|
| 342 | file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
|
|---|
| 343 | MAGIC="$lt_cv_path_MAGIC"
|
|---|
| 344 | if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
|
|---|
| 345 | egrep "$file_magic_regex" > /dev/null; then
|
|---|
| 346 | :
|
|---|
| 347 | else
|
|---|
| 348 | cat <<EOF 1>&2
|
|---|
| 349 |
|
|---|
| 350 | *** Warning: the command libtool uses to detect shared libraries,
|
|---|
| 351 | *** $file_magic_cmd, produces output that libtool cannot recognize.
|
|---|
| 352 | *** The result is that libtool may fail to recognize shared libraries
|
|---|
| 353 | *** as such. This will affect the creation of libtool libraries that
|
|---|
| 354 | *** depend on shared libraries, but programs linked with such libtool
|
|---|
| 355 | *** libraries will work regardless of this problem. Nevertheless, you
|
|---|
| 356 | *** may want to report the problem to your system manager and/or to
|
|---|
| 357 | *** bug-libtool@gnu.org
|
|---|
| 358 |
|
|---|
| 359 | EOF
|
|---|
| 360 | fi ;;
|
|---|
| 361 | esac
|
|---|
| 362 | fi
|
|---|
| 363 | break
|
|---|
| 364 | fi
|
|---|
| 365 | done
|
|---|
| 366 | IFS="$ac_save_ifs"
|
|---|
| 367 | MAGIC="$ac_save_MAGIC"
|
|---|
| 368 | ;;
|
|---|
| 369 | esac])
|
|---|
| 370 | MAGIC="$lt_cv_path_MAGIC"
|
|---|
| 371 | if test -n "$MAGIC"; then
|
|---|
| 372 | AC_MSG_RESULT($MAGIC)
|
|---|
| 373 | else
|
|---|
| 374 | AC_MSG_RESULT(no)
|
|---|
| 375 | fi
|
|---|
| 376 | ])
|
|---|
| 377 |
|
|---|
| 378 |
|
|---|
| 379 | # AC_PATH_MAGIC - find a file program which can recognise a shared library
|
|---|
| 380 | AC_DEFUN(AC_PATH_MAGIC,
|
|---|
| 381 | [AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
|
|---|
| 382 | AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
|
|---|
| 383 | if test -z "$lt_cv_path_MAGIC"; then
|
|---|
| 384 | if test -n "$ac_tool_prefix"; then
|
|---|
| 385 | AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
|
|---|
| 386 | else
|
|---|
| 387 | MAGIC=:
|
|---|
| 388 | fi
|
|---|
| 389 | fi
|
|---|
| 390 | ])
|
|---|
| 391 |
|
|---|
| 392 |
|
|---|
| 393 | # AC_PROG_LD - find the path to the GNU or non-GNU linker
|
|---|
| 394 | AC_DEFUN(AC_PROG_LD,
|
|---|
| 395 | [AC_ARG_WITH(gnu-ld,
|
|---|
| 396 | [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
|
|---|
| 397 | test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
|
|---|
| 398 | AC_REQUIRE([AC_PROG_CC])dnl
|
|---|
| 399 | AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|---|
| 400 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl
|
|---|
| 401 | ac_prog=ld
|
|---|
| 402 | if test "$ac_cv_prog_gcc" = yes; then
|
|---|
| 403 | # Check if gcc -print-prog-name=ld gives a path.
|
|---|
| 404 | AC_MSG_CHECKING([for ld used by GCC])
|
|---|
| 405 | case $host in
|
|---|
| 406 | *-*-mingw*)
|
|---|
| 407 | # gcc leaves a trailing carriage return which upsets mingw
|
|---|
| 408 | ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
|
|---|
| 409 | *)
|
|---|
| 410 | ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
|
|---|
| 411 | esac
|
|---|
| 412 | case "$ac_prog" in
|
|---|
| 413 | # Accept absolute paths.
|
|---|
| 414 | changequote(,)dnl
|
|---|
| 415 | [\\/]* | [A-Za-z]:[\\/]*)
|
|---|
| 416 | re_direlt='/[^/][^/]*/\.\./'
|
|---|
| 417 | changequote([,])dnl
|
|---|
| 418 | # Canonicalize the path of ld
|
|---|
| 419 | ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
|
|---|
| 420 | while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
|
|---|
| 421 | ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
|
|---|
| 422 | done
|
|---|
| 423 | test -z "$LD" && LD="$ac_prog"
|
|---|
| 424 | ;;
|
|---|
| 425 | "")
|
|---|
| 426 | # If it fails, then pretend we aren't using GCC.
|
|---|
| 427 | ac_prog=ld
|
|---|
| 428 | ;;
|
|---|
| 429 | *)
|
|---|
| 430 | # If it is relative, then search for the first ld in PATH.
|
|---|
| 431 | with_gnu_ld=unknown
|
|---|
| 432 | ;;
|
|---|
| 433 | esac
|
|---|
| 434 | elif test "$with_gnu_ld" = yes; then
|
|---|
| 435 | AC_MSG_CHECKING([for GNU ld])
|
|---|
| 436 | else
|
|---|
| 437 | AC_MSG_CHECKING([for non-GNU ld])
|
|---|
| 438 | fi
|
|---|
| 439 | AC_CACHE_VAL(ac_cv_path_LD,
|
|---|
| 440 | [if test -z "$LD"; then
|
|---|
| 441 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
|
|---|
| 442 | for ac_dir in $PATH; do
|
|---|
| 443 | test -z "$ac_dir" && ac_dir=.
|
|---|
| 444 | if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
|
|---|
| 445 | ac_cv_path_LD="$ac_dir/$ac_prog"
|
|---|
| 446 | # Check to see if the program is GNU ld. I'd rather use --version,
|
|---|
| 447 | # but apparently some GNU ld's only accept -v.
|
|---|
| 448 | # Break only if it was the GNU/non-GNU ld that we prefer.
|
|---|
| 449 | if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
|
|---|
| 450 | test "$with_gnu_ld" != no && break
|
|---|
| 451 | else
|
|---|
| 452 | test "$with_gnu_ld" != yes && break
|
|---|
| 453 | fi
|
|---|
| 454 | fi
|
|---|
| 455 | done
|
|---|
| 456 | IFS="$ac_save_ifs"
|
|---|
| 457 | else
|
|---|
| 458 | ac_cv_path_LD="$LD" # Let the user override the test with a path.
|
|---|
| 459 | fi])
|
|---|
| 460 | LD="$ac_cv_path_LD"
|
|---|
| 461 | if test -n "$LD"; then
|
|---|
| 462 | AC_MSG_RESULT($LD)
|
|---|
| 463 | else
|
|---|
| 464 | AC_MSG_RESULT(no)
|
|---|
| 465 | fi
|
|---|
| 466 | test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
|
|---|
| 467 | AC_PROG_LD_GNU
|
|---|
| 468 | ])
|
|---|
| 469 |
|
|---|
| 470 | AC_DEFUN(AC_PROG_LD_GNU,
|
|---|
| 471 | [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
|
|---|
| 472 | [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
|
|---|
| 473 | if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
|
|---|
| 474 | ac_cv_prog_gnu_ld=yes
|
|---|
| 475 | else
|
|---|
| 476 | ac_cv_prog_gnu_ld=no
|
|---|
| 477 | fi])
|
|---|
| 478 | with_gnu_ld=$ac_cv_prog_gnu_ld
|
|---|
| 479 | ])
|
|---|
| 480 |
|
|---|
| 481 | # AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
|
|---|
| 482 | # -- PORTME Some linkers may need a different reload flag.
|
|---|
| 483 | AC_DEFUN(AC_PROG_LD_RELOAD_FLAG,
|
|---|
| 484 | [AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
|
|---|
| 485 | [lt_cv_ld_reload_flag='-r'])
|
|---|
| 486 | reload_flag=$lt_cv_ld_reload_flag
|
|---|
| 487 | test -n "$reload_flag" && reload_flag=" $reload_flag"
|
|---|
| 488 | ])
|
|---|
| 489 |
|
|---|
| 490 | # AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
|
|---|
| 491 | # -- PORTME fill in with the dynamic library characteristics
|
|---|
| 492 | AC_DEFUN(AC_DEPLIBS_CHECK_METHOD,
|
|---|
| 493 | [AC_CACHE_CHECK([how to recognise dependant libraries],
|
|---|
| 494 | lt_cv_deplibs_check_method,
|
|---|
| 495 | [lt_cv_file_magic_cmd='${MAGIC}'
|
|---|
| 496 | lt_cv_file_magic_test_file=
|
|---|
| 497 | lt_cv_deplibs_check_method='unknown'
|
|---|
| 498 | # Need to set the preceding variable on all platforms that support
|
|---|
| 499 | # interlibrary dependencies.
|
|---|
| 500 | # 'none' -- dependencies not supported.
|
|---|
| 501 | # `unknown' -- same as none, but documents that we really don't know.
|
|---|
| 502 | # 'pass_all' -- all dependencies passed with no checks.
|
|---|
| 503 | # 'test_compile' -- check by making test program.
|
|---|
| 504 | # 'file_magic [regex]' -- check by looking for files in library path
|
|---|
| 505 | # which responds to the $file_magic_cmd with a given egrep regex.
|
|---|
| 506 | # If you have `file' or equivalent on your system and you're not sure
|
|---|
| 507 | # whether `pass_all' will *always* work, you probably want this one.
|
|---|
| 508 |
|
|---|
| 509 | case "$host_os" in
|
|---|
| 510 | aix4*)
|
|---|
| 511 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 512 | ;;
|
|---|
| 513 |
|
|---|
| 514 | beos*)
|
|---|
| 515 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 516 | ;;
|
|---|
| 517 |
|
|---|
| 518 | bsdi4*)
|
|---|
| 519 | changequote(,)dnl
|
|---|
| 520 | lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
|
|---|
| 521 | changequote([, ])dnl
|
|---|
| 522 | lt_cv_file_magic_cmd='/usr/bin/file -L'
|
|---|
| 523 | lt_cv_file_magic_test_file=/shlib/libc.so
|
|---|
| 524 | ;;
|
|---|
| 525 |
|
|---|
| 526 | cygwin* | mingw*)
|
|---|
| 527 | lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
|
|---|
| 528 | lt_cv_file_magic_cmd='${OBJDUMP} -f'
|
|---|
| 529 | ;;
|
|---|
| 530 |
|
|---|
| 531 | freebsd* )
|
|---|
| 532 | if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
|
|---|
| 533 | case "$host_cpu" in
|
|---|
| 534 | i*86 )
|
|---|
| 535 | # Not sure whether the presence of OpenBSD here was a mistake.
|
|---|
| 536 | # Let's accept both of them until this is cleared up.
|
|---|
| 537 | changequote(,)dnl
|
|---|
| 538 | lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library'
|
|---|
| 539 | changequote([, ])dnl
|
|---|
| 540 | lt_cv_file_magic_cmd=/usr/bin/file
|
|---|
| 541 | lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
|
|---|
| 542 | ;;
|
|---|
| 543 | esac
|
|---|
| 544 | else
|
|---|
| 545 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 546 | fi
|
|---|
| 547 | ;;
|
|---|
| 548 |
|
|---|
| 549 | gnu*)
|
|---|
| 550 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 551 | ;;
|
|---|
| 552 |
|
|---|
| 553 | hpux10.20*)
|
|---|
| 554 | # TODO: Does this work for hpux-11 too?
|
|---|
| 555 | lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
|
|---|
| 556 | lt_cv_file_magic_cmd=/usr/bin/file
|
|---|
| 557 | lt_cv_file_magic_test_file=/usr/lib/libc.sl
|
|---|
| 558 | ;;
|
|---|
| 559 |
|
|---|
| 560 | irix5* | irix6*)
|
|---|
| 561 | case "$host_os" in
|
|---|
| 562 | irix5*)
|
|---|
| 563 | # this will be overridden with pass_all, but let us keep it just in case
|
|---|
| 564 | lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
|
|---|
| 565 | ;;
|
|---|
| 566 | *)
|
|---|
| 567 | case "$LD" in
|
|---|
| 568 | *-32|*"-32 ") libmagic=32-bit;;
|
|---|
| 569 | *-n32|*"-n32 ") libmagic=N32;;
|
|---|
| 570 | *-64|*"-64 ") libmagic=64-bit;;
|
|---|
| 571 | *) libmagic=never-match;;
|
|---|
| 572 | esac
|
|---|
| 573 | # this will be overridden with pass_all, but let us keep it just in case
|
|---|
| 574 | changequote(,)dnl
|
|---|
| 575 | lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
|
|---|
| 576 | changequote([, ])dnl
|
|---|
| 577 | ;;
|
|---|
| 578 | esac
|
|---|
| 579 | lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
|
|---|
| 580 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 581 | ;;
|
|---|
| 582 |
|
|---|
| 583 | # This must be Linux ELF.
|
|---|
| 584 | linux-gnu*)
|
|---|
| 585 | case "$host_cpu" in
|
|---|
| 586 | alpha* | i*86 | powerpc* | sparc* | ia64* )
|
|---|
| 587 | lt_cv_deplibs_check_method=pass_all ;;
|
|---|
| 588 | *)
|
|---|
| 589 | # glibc up to 2.1.1 does not perform some relocations on ARM
|
|---|
| 590 | changequote(,)dnl
|
|---|
| 591 | lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
|
|---|
| 592 | changequote([, ])dnl
|
|---|
| 593 | esac
|
|---|
| 594 | lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
|
|---|
| 595 | ;;
|
|---|
| 596 |
|
|---|
| 597 | netbsd*)
|
|---|
| 598 | if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then :
|
|---|
| 599 | else
|
|---|
| 600 | changequote(,)dnl
|
|---|
| 601 | lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
|
|---|
| 602 | changequote([, ])dnl
|
|---|
| 603 | lt_cv_file_magic_cmd='/usr/bin/file -L'
|
|---|
| 604 | lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
|
|---|
| 605 | fi
|
|---|
| 606 | ;;
|
|---|
| 607 |
|
|---|
| 608 | osf3* | osf4* | osf5*)
|
|---|
| 609 | # this will be overridden with pass_all, but let us keep it just in case
|
|---|
| 610 | lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
|
|---|
| 611 | lt_cv_file_magic_test_file=/shlib/libc.so
|
|---|
| 612 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 613 | ;;
|
|---|
| 614 |
|
|---|
| 615 | sco3.2v5*)
|
|---|
| 616 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 617 | ;;
|
|---|
| 618 |
|
|---|
| 619 | solaris*)
|
|---|
| 620 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 621 | lt_cv_file_magic_test_file=/lib/libc.so
|
|---|
| 622 | ;;
|
|---|
| 623 |
|
|---|
| 624 | sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
|
|---|
| 625 | case "$host_vendor" in
|
|---|
| 626 | ncr)
|
|---|
| 627 | lt_cv_deplibs_check_method=pass_all
|
|---|
| 628 | ;;
|
|---|
| 629 | motorola)
|
|---|
| 630 | changequote(,)dnl
|
|---|
| 631 | 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]'
|
|---|
| 632 | changequote([, ])dnl
|
|---|
| 633 | lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
|
|---|
| 634 | ;;
|
|---|
| 635 | esac
|
|---|
| 636 | ;;
|
|---|
| 637 | esac
|
|---|
| 638 | ])
|
|---|
| 639 | file_magic_cmd=$lt_cv_file_magic_cmd
|
|---|
| 640 | deplibs_check_method=$lt_cv_deplibs_check_method
|
|---|
| 641 | ])
|
|---|
| 642 |
|
|---|
| 643 |
|
|---|
| 644 | # AC_PROG_NM - find the path to a BSD-compatible name lister
|
|---|
| 645 | AC_DEFUN(AC_PROG_NM,
|
|---|
| 646 | [AC_MSG_CHECKING([for BSD-compatible nm])
|
|---|
| 647 | AC_CACHE_VAL(ac_cv_path_NM,
|
|---|
| 648 | [if test -n "$NM"; then
|
|---|
| 649 | # Let the user override the test.
|
|---|
| 650 | ac_cv_path_NM="$NM"
|
|---|
| 651 | else
|
|---|
| 652 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
|
|---|
| 653 | for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
|
|---|
| 654 | test -z "$ac_dir" && ac_dir=.
|
|---|
| 655 | tmp_nm=$ac_dir/${ac_tool_prefix}nm
|
|---|
| 656 | if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
|
|---|
| 657 | # Check to see if the nm accepts a BSD-compat flag.
|
|---|
| 658 | # Adding the `sed 1q' prevents false positives on HP-UX, which says:
|
|---|
| 659 | # nm: unknown option "B" ignored
|
|---|
| 660 | # Tru64's nm complains that /dev/null is an invalid object file
|
|---|
| 661 | if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
|
|---|
| 662 | ac_cv_path_NM="$tmp_nm -B"
|
|---|
| 663 | break
|
|---|
| 664 | elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
|
|---|
| 665 | ac_cv_path_NM="$tmp_nm -p"
|
|---|
| 666 | break
|
|---|
| 667 | else
|
|---|
| 668 | ac_cv_path_NM=${ac_cv_path_NM="$tmp_nm"} # keep the first match, but
|
|---|
| 669 | continue # so that we can try to find one that supports BSD flags
|
|---|
| 670 | fi
|
|---|
| 671 | fi
|
|---|
| 672 | done
|
|---|
| 673 | IFS="$ac_save_ifs"
|
|---|
| 674 | test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
|
|---|
| 675 | fi])
|
|---|
| 676 | NM="$ac_cv_path_NM"
|
|---|
| 677 | AC_MSG_RESULT([$NM])
|
|---|
| 678 | ])
|
|---|
| 679 |
|
|---|
| 680 | # AC_CHECK_LIBM - check for math library
|
|---|
| 681 | AC_DEFUN(AC_CHECK_LIBM,
|
|---|
| 682 | [AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|---|
| 683 | LIBM=
|
|---|
| 684 | case "$host" in
|
|---|
| 685 | *-*-beos* | *-*-cygwin*)
|
|---|
| 686 | # These system don't have libm
|
|---|
| 687 | ;;
|
|---|
| 688 | *-ncr-sysv4.3*)
|
|---|
| 689 | AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
|
|---|
| 690 | AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
|
|---|
| 691 | ;;
|
|---|
| 692 | *)
|
|---|
| 693 | AC_CHECK_LIB(m, main, LIBM="-lm")
|
|---|
| 694 | ;;
|
|---|
| 695 | esac
|
|---|
| 696 | ])
|
|---|
| 697 |
|
|---|
| 698 | # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
|
|---|
| 699 | # the libltdl convenience library and INCLTDL to the include flags for
|
|---|
| 700 | # the libltdl header and adds --enable-ltdl-convenience to the
|
|---|
| 701 | # configure arguments. Note that LIBLTDL and INCLTDL are not
|
|---|
| 702 | # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
|
|---|
| 703 | # provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
|
|---|
| 704 | # with '${top_builddir}/' and INCLTDL will be prefixed with
|
|---|
| 705 | # '${top_srcdir}/' (note the single quotes!). If your package is not
|
|---|
| 706 | # flat and you're not using automake, define top_builddir and
|
|---|
| 707 | # top_srcdir appropriately in the Makefiles.
|
|---|
| 708 | AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
|
|---|
| 709 | case "$enable_ltdl_convenience" in
|
|---|
| 710 | no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
|
|---|
| 711 | "") enable_ltdl_convenience=yes
|
|---|
| 712 | ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
|
|---|
| 713 | esac
|
|---|
| 714 | LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
|
|---|
| 715 | INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
|
|---|
| 716 | ])
|
|---|
| 717 |
|
|---|
| 718 | # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
|
|---|
| 719 | # the libltdl installable library and INCLTDL to the include flags for
|
|---|
| 720 | # the libltdl header and adds --enable-ltdl-install to the configure
|
|---|
| 721 | # arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
|
|---|
| 722 | # AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
|
|---|
| 723 | # libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
|
|---|
| 724 | # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
|
|---|
| 725 | # with '${top_srcdir}/' (note the single quotes!). If your package is
|
|---|
| 726 | # not flat and you're not using automake, define top_builddir and
|
|---|
| 727 | # top_srcdir appropriately in the Makefiles.
|
|---|
| 728 | # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
|
|---|
| 729 | AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
|
|---|
| 730 | AC_CHECK_LIB(ltdl, main,
|
|---|
| 731 | [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
|
|---|
| 732 | [if test x"$enable_ltdl_install" = xno; then
|
|---|
| 733 | AC_MSG_WARN([libltdl not installed, but installation disabled])
|
|---|
| 734 | else
|
|---|
| 735 | enable_ltdl_install=yes
|
|---|
| 736 | fi
|
|---|
| 737 | ])
|
|---|
| 738 | if test x"$enable_ltdl_install" = x"yes"; then
|
|---|
| 739 | ac_configure_args="$ac_configure_args --enable-ltdl-install"
|
|---|
| 740 | LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
|
|---|
| 741 | INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
|
|---|
| 742 | else
|
|---|
| 743 | ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
|
|---|
| 744 | LIBLTDL="-lltdl"
|
|---|
| 745 | INCLTDL=
|
|---|
| 746 | fi
|
|---|
| 747 | ])
|
|---|
| 748 |
|
|---|
| 749 | # If this macro is not defined by Autoconf, define it here.
|
|---|
| 750 | ifdef([AC_PROVIDE_IFELSE],
|
|---|
| 751 | [],
|
|---|
| 752 | [define([AC_PROVIDE_IFELSE],
|
|---|
| 753 | [ifdef([AC_PROVIDE_$1],
|
|---|
| 754 | [$2], [$3])])])
|
|---|
| 755 |
|
|---|
| 756 | # AC_LIBTOOL_CXX - enable support for C++ libraries
|
|---|
| 757 | AC_DEFUN(AC_LIBTOOL_CXX,[AC_REQUIRE([_AC_LIBTOOL_CXX])])
|
|---|
| 758 | AC_DEFUN(_AC_LIBTOOL_CXX,
|
|---|
| 759 | [AC_REQUIRE([AC_PROG_LIBTOOL])
|
|---|
| 760 | AC_REQUIRE([AC_PROG_CXX])
|
|---|
| 761 | AC_REQUIRE([AC_PROG_CXXCPP])
|
|---|
| 762 | LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
|
|---|
| 763 | lt_save_CC="$CC"
|
|---|
| 764 | lt_save_CFLAGS="$CFLAGS"
|
|---|
| 765 | dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
|
|---|
| 766 | dnl is set to the C++ compiler.
|
|---|
| 767 | AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
|
|---|
| 768 | MAGIC="$MAGIC" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
|
|---|
| 769 | LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
|
|---|
| 770 | AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
|
|---|
| 771 | objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
|
|---|
| 772 | deplibs_check_method="$deplibs_check_method" \
|
|---|
| 773 | file_magic_cmd="$file_magic_cmd" \
|
|---|
| 774 | ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
|
|---|
| 775 | --build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
|
|---|
| 776 | || AC_MSG_ERROR([libtool tag configuration failed])
|
|---|
| 777 | CC="$lt_save_CC"
|
|---|
| 778 | CFLAGS="$lt_save_CFLAGS"
|
|---|
| 779 |
|
|---|
| 780 | # Redirect the config.log output again, so that the ltconfig log is not
|
|---|
| 781 | # clobbered by the next message.
|
|---|
| 782 | exec 5>>./config.log
|
|---|
| 783 | ])
|
|---|
| 784 |
|
|---|
| 785 | # AC_LIBTOOL_GCJ - enable support for GCJ libraries
|
|---|
| 786 | AC_DEFUN(AC_LIBTOOL_GCJ,[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
|
|---|
| 787 | AC_DEFUN(_AC_LIBTOOL_GCJ,
|
|---|
| 788 | [AC_REQUIRE([AC_PROG_LIBTOOL])
|
|---|
| 789 | AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
|
|---|
| 790 | [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
|
|---|
| 791 | [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
|
|---|
| 792 | [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
|
|---|
| 793 | [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])
|
|---|
| 794 | LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
|
|---|
| 795 | lt_save_CC="$CC"
|
|---|
| 796 | lt_save_CFLAGS="$CFLAGS"
|
|---|
| 797 | dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
|
|---|
| 798 | dnl is set to the C++ compiler.
|
|---|
| 799 | AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="" \
|
|---|
| 800 | MAGIC="$MAGIC" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
|
|---|
| 801 | LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
|
|---|
| 802 | AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
|
|---|
| 803 | objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
|
|---|
| 804 | deplibs_check_method="$deplibs_check_method" \
|
|---|
| 805 | file_magic_cmd="$file_magic_cmd" \
|
|---|
| 806 | ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
|
|---|
| 807 | --build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
|
|---|
| 808 | || AC_MSG_ERROR([libtool tag configuration failed])
|
|---|
| 809 | CC="$lt_save_CC"
|
|---|
| 810 | CFLAGS="$lt_save_CFLAGS"
|
|---|
| 811 |
|
|---|
| 812 | # Redirect the config.log output again, so that the ltconfig log is not
|
|---|
| 813 | # clobbered by the next message.
|
|---|
| 814 | exec 5>>./config.log
|
|---|
| 815 | ])
|
|---|
| 816 |
|
|---|
| 817 | dnl old names
|
|---|
| 818 | AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
|
|---|
| 819 | AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
|
|---|
| 820 | AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
|
|---|
| 821 | AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
|
|---|
| 822 | AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
|
|---|
| 823 | AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
|
|---|
| 824 | AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
|
|---|
| 825 |
|
|---|
| 826 | dnl This is just to silence aclocal about the macro not being used
|
|---|
| 827 | ifelse([AC_DISABLE_FAST_INSTALL])dnl
|
|---|
| 828 |
|
|---|
| 829 | AC_DEFUN([LT_AC_PROG_GCJ],[
|
|---|
| 830 | AC_CHECK_TOOL(GCJ, gcj, no)
|
|---|
| 831 | test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
|
|---|
| 832 | AC_SUBST(GCJFLAGS)
|
|---|
| 833 | ])
|
|---|
| 834 | ## ltdl.m4 - Configure ltdl for the target system. -*-Shell-script-*-
|
|---|
| 835 | ## Copyright (C) 1999-2000 Free Software Foundation, Inc.
|
|---|
| 836 | ##
|
|---|
| 837 | ## This program is free software; you can redistribute it and/or modify
|
|---|
| 838 | ## it under the terms of the GNU General Public License as published by
|
|---|
| 839 | ## the Free Software Foundation; either version 2 of the License, or
|
|---|
| 840 | ## (at your option) any later version.
|
|---|
| 841 | ##
|
|---|
| 842 | ## This program is distributed in the hope that it will be useful, but
|
|---|
| 843 | ## WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 844 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 845 | ## General Public License for more details.
|
|---|
| 846 | ##
|
|---|
| 847 | ## You should have received a copy of the GNU General Public License
|
|---|
| 848 | ## along with this program; if not, write to the Free Software
|
|---|
| 849 | ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|---|
| 850 | ##
|
|---|
| 851 | ## As a special exception to the GNU General Public License, if you
|
|---|
| 852 | ## distribute this file as part of a program that contains a
|
|---|
| 853 | ## configuration script generated by Autoconf, you may include it under
|
|---|
| 854 | ## the same distribution terms that you use for the rest of that program.
|
|---|
| 855 |
|
|---|
| 856 | # serial 1 AC_LIB_LTDL
|
|---|
| 857 |
|
|---|
| 858 | AC_DEFUN(AC_LIB_LTDL,
|
|---|
| 859 | [AC_PREREQ(2.13)dnl
|
|---|
| 860 | AC_REQUIRE([AC_PROG_CC])dnl
|
|---|
| 861 | AC_REQUIRE([AC_C_CONST])dnl
|
|---|
| 862 | AC_REQUIRE([AC_C_INLINE])dnl
|
|---|
| 863 |
|
|---|
| 864 | dnl AC_LIB_LTDL must perform all the checks necessary for compilation
|
|---|
| 865 | dnl of the ltdl objects -- including compiler checks (above) and header
|
|---|
| 866 | dnl checks (below).
|
|---|
| 867 | AC_REQUIRE([AC_HEADER_STDC])dnl
|
|---|
| 868 |
|
|---|
| 869 | AC_CHECK_HEADERS(malloc.h memory.h stdlib.h stdio.h ctype.h dlfcn.h dl.h dld.h)
|
|---|
| 870 | AC_CHECK_HEADERS(string.h strings.h, break)
|
|---|
| 871 | AC_CHECK_FUNCS(strchr index, break)
|
|---|
| 872 | AC_CHECK_FUNCS(strrchr rindex, break)
|
|---|
| 873 | AC_CHECK_FUNCS(strcmp)
|
|---|
| 874 |
|
|---|
| 875 | AC_REQUIRE([AC_LTDL_ENABLE_INSTALL])dnl
|
|---|
| 876 | AC_REQUIRE([AC_LTDL_SHLIBEXT])dnl
|
|---|
| 877 | AC_REQUIRE([AC_LTDL_SHLIBPATH])dnl
|
|---|
| 878 | AC_REQUIRE([AC_LTDL_SYSSEARCHPATH])dnl
|
|---|
| 879 | AC_REQUIRE([AC_LTDL_OBJDIR])dnl
|
|---|
| 880 | AC_REQUIRE([AC_LTDL_DLPREOPEN])dnl
|
|---|
| 881 | AC_REQUIRE([AC_LTDL_DLLIB])dnl
|
|---|
| 882 | AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
|
|---|
| 883 | ])
|
|---|
| 884 |
|
|---|
| 885 | AC_DEFUN(AC_LTDL_ENABLE_INSTALL,
|
|---|
| 886 | [AC_ARG_ENABLE(ltdl-install,
|
|---|
| 887 | [ --enable-ltdl-install install libltdl])
|
|---|
| 888 |
|
|---|
| 889 | AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno)
|
|---|
| 890 | AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno)
|
|---|
| 891 | ])])
|
|---|
| 892 |
|
|---|
| 893 |
|
|---|
| 894 | AC_DEFUN(AC_LTDL_SNARF_CONFIG,
|
|---|
| 895 | [# Read the libtool configuration
|
|---|
| 896 | rm -f conftest
|
|---|
| 897 | ./libtool --config > conftest
|
|---|
| 898 | . ./conftest
|
|---|
| 899 | rm -f conftest
|
|---|
| 900 | ])
|
|---|
| 901 |
|
|---|
| 902 | AC_DEFUN(AC_LTDL_SHLIBEXT,
|
|---|
| 903 | [AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl
|
|---|
| 904 | AC_CACHE_CHECK([which extension is used for shared libraries],
|
|---|
| 905 | libltdl_cv_shlibext, [dnl
|
|---|
| 906 | (
|
|---|
| 907 | last=
|
|---|
| 908 | for spec in $library_names_spec; do
|
|---|
| 909 | last="$spec"
|
|---|
| 910 | done
|
|---|
| 911 | changequote(, )
|
|---|
| 912 | echo "$last" | sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//' > conftest
|
|---|
| 913 | changequote([, ])
|
|---|
| 914 | )
|
|---|
| 915 | libltdl_cv_shlibext=`cat conftest`
|
|---|
| 916 | rm -f conftest
|
|---|
| 917 | ])
|
|---|
| 918 | if test -n "$libltdl_cv_shlibext"; then
|
|---|
| 919 | AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext",
|
|---|
| 920 | [Define to the extension used for shared libraries, say, ".so". ])
|
|---|
| 921 | fi
|
|---|
| 922 | ])
|
|---|
| 923 |
|
|---|
| 924 | AC_DEFUN(AC_LTDL_SHLIBPATH,
|
|---|
| 925 | [AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl
|
|---|
| 926 | AC_CACHE_CHECK([which variable specifies run-time library path],
|
|---|
| 927 | libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"])
|
|---|
| 928 | if test -n "$libltdl_cv_shlibpath_var"; then
|
|---|
| 929 | AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var",
|
|---|
| 930 | [Define to the name of the environment variable that determines the dynamic library search path. ])
|
|---|
| 931 | fi
|
|---|
| 932 | ])
|
|---|
| 933 |
|
|---|
| 934 | AC_DEFUN(AC_LTDL_SYSSEARCHPATH,
|
|---|
| 935 | [AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl
|
|---|
| 936 | AC_CACHE_CHECK([for the default library search path],
|
|---|
| 937 | libltdl_cv_sys_search_path, [libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"])
|
|---|
| 938 | if test -n "$libltdl_cv_sys_search_path"; then
|
|---|
| 939 | case "$host" in
|
|---|
| 940 | *-*-mingw*) pathsep=";" ;;
|
|---|
| 941 | *) pathsep=":" ;;
|
|---|
| 942 | esac
|
|---|
| 943 | sys_search_path=
|
|---|
| 944 | for dir in $libltdl_cv_sys_search_path; do
|
|---|
| 945 | if test -z "$sys_search_path"; then
|
|---|
| 946 | sys_search_path="$dir"
|
|---|
| 947 | else
|
|---|
| 948 | sys_search_path="$sys_search_path$pathsep$dir"
|
|---|
| 949 | fi
|
|---|
| 950 | done
|
|---|
| 951 | AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path",
|
|---|
| 952 | [Define to the system default library search path. ])
|
|---|
| 953 | fi
|
|---|
| 954 | ])
|
|---|
| 955 |
|
|---|
| 956 | AC_DEFUN(AC_LTDL_OBJDIR,
|
|---|
| 957 | [AC_CACHE_CHECK([for objdir],
|
|---|
| 958 | libltdl_cv_objdir, [libltdl_cv_objdir="$objdir"
|
|---|
| 959 | if test -n "$objdir"; then
|
|---|
| 960 | :
|
|---|
| 961 | else
|
|---|
| 962 | rm -f .libs 2>/dev/null
|
|---|
| 963 | mkdir .libs 2>/dev/null
|
|---|
| 964 | if test -d .libs; then
|
|---|
| 965 | libltdl_cv_objdir=.libs
|
|---|
| 966 | else
|
|---|
| 967 | # MS-DOS does not allow filenames that begin with a dot.
|
|---|
| 968 | libltdl_cv_objdir=_libs
|
|---|
| 969 | fi
|
|---|
| 970 | rmdir .libs 2>/dev/null
|
|---|
| 971 | fi])
|
|---|
| 972 | AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/",
|
|---|
| 973 | [Define to the sub-directory in which libtool stores uninstalled libraries. ])
|
|---|
| 974 | ])
|
|---|
| 975 |
|
|---|
| 976 | AC_DEFUN(AC_LTDL_DLPREOPEN,
|
|---|
| 977 | [AC_REQUIRE([AC_LTDL_GLOBAL_SYMBOL_PIPE])dnl
|
|---|
| 978 | AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen],
|
|---|
| 979 | libltdl_cv_preloaded_symbols, [dnl
|
|---|
| 980 | if test -n "$global_symbol_pipe"; then
|
|---|
| 981 | libltdl_cv_preloaded_symbols=yes
|
|---|
| 982 | else
|
|---|
| 983 | libltdl_cv_preloaded_symbols=no
|
|---|
| 984 | fi
|
|---|
| 985 | ])
|
|---|
| 986 | if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then
|
|---|
| 987 | AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1,
|
|---|
| 988 | [Define if libtool can extract symbol lists from object files. ])
|
|---|
| 989 | fi
|
|---|
| 990 | ])
|
|---|
| 991 |
|
|---|
| 992 | AC_DEFUN(AC_LTDL_DLLIB,
|
|---|
| 993 | [LIBADD_DL=
|
|---|
| 994 | AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
|---|
| 995 | [Define if you have the libdl library or equivalent. ]) LIBADD_DL="-ldl"],
|
|---|
| 996 | [AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
|---|
| 997 | [Define if you have the libdl library or equivalent.])],
|
|---|
| 998 | [AC_CHECK_LIB(svld, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
|---|
| 999 | [Define if you have the libdl library or equivalent.]) LIBADD_DL="-lsvld"]
|
|---|
| 1000 | )])])
|
|---|
| 1001 | AC_CHECK_FUNC(shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1,
|
|---|
| 1002 | [Define if you have the shl_load function.])],
|
|---|
| 1003 | [AC_CHECK_LIB(dld, shl_load,
|
|---|
| 1004 | [AC_DEFINE(HAVE_SHL_LOAD, 1,
|
|---|
| 1005 | [Define if you have the shl_load function.])
|
|---|
| 1006 | LIBADD_DL="$LIBADD_DL -ldld"])
|
|---|
| 1007 | ])
|
|---|
| 1008 | AC_CHECK_LIB(dld, dld_link, [AC_DEFINE(HAVE_DLD, 1,
|
|---|
| 1009 | [Define if you have the GNU dld library.])dnl
|
|---|
| 1010 | test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"])
|
|---|
| 1011 | AC_SUBST(LIBADD_DL)
|
|---|
| 1012 |
|
|---|
| 1013 | if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then
|
|---|
| 1014 | LIBS_SAVE="$LIBS"
|
|---|
| 1015 | LIBS="$LIBS $LIBADD_DL"
|
|---|
| 1016 | AC_CHECK_FUNCS(dlerror)
|
|---|
| 1017 | LIBS="$LIBS_SAVE"
|
|---|
| 1018 | fi
|
|---|
| 1019 | ])
|
|---|
| 1020 |
|
|---|
| 1021 | AC_DEFUN(AC_LTDL_GLOBAL_SYMBOL_PIPE,
|
|---|
| 1022 | [dnl Check for command to grab the raw symbol name followed
|
|---|
| 1023 | dnl by C symbol name from nm.
|
|---|
| 1024 | AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|---|
| 1025 | AC_REQUIRE([AC_PROG_NM])dnl
|
|---|
| 1026 | # Check for command to grab the raw symbol name followed by C symbol from nm.
|
|---|
| 1027 | AC_MSG_CHECKING([command to parse $NM output])
|
|---|
| 1028 | AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe,
|
|---|
| 1029 | [# These are sane defaults that work on at least a few old systems.
|
|---|
| 1030 | # {They come from Ultrix. What could be older than Ultrix?!! ;)}
|
|---|
| 1031 |
|
|---|
| 1032 | changequote(,)dnl
|
|---|
| 1033 | # Character class describing NM global symbol codes.
|
|---|
| 1034 | ac_symcode='[BCDEGRST]'
|
|---|
| 1035 |
|
|---|
| 1036 | # Regexp to match symbols that can be accessed directly from C.
|
|---|
| 1037 | ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
|
|---|
| 1038 |
|
|---|
| 1039 | # Transform the above into a raw symbol and a C symbol.
|
|---|
| 1040 | ac_symxfrm='\1 \2\3 \3'
|
|---|
| 1041 |
|
|---|
| 1042 | # Transform an extracted symbol line into a proper C declaration
|
|---|
| 1043 | ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
|
|---|
| 1044 |
|
|---|
| 1045 | # Define system-specific variables.
|
|---|
| 1046 | case "$host_os" in
|
|---|
| 1047 | aix*)
|
|---|
| 1048 | ac_symcode='[BCDT]'
|
|---|
| 1049 | ;;
|
|---|
| 1050 | cygwin* | mingw*)
|
|---|
| 1051 | ac_symcode='[ABCDGISTW]'
|
|---|
| 1052 | ;;
|
|---|
| 1053 | hpux*)
|
|---|
| 1054 | ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
|
|---|
| 1055 | ;;
|
|---|
| 1056 | irix*)
|
|---|
| 1057 | ac_symcode='[BCDEGRST]'
|
|---|
| 1058 | ;;
|
|---|
| 1059 | solaris*)
|
|---|
| 1060 | ac_symcode='[BDT]'
|
|---|
| 1061 | ;;
|
|---|
| 1062 | esac
|
|---|
| 1063 |
|
|---|
| 1064 | # If we're using GNU nm, then use its standard symbol codes.
|
|---|
| 1065 | if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
|
|---|
| 1066 | ac_symcode='[ABCDGISTW]'
|
|---|
| 1067 | fi
|
|---|
| 1068 | changequote([,])dnl
|
|---|
| 1069 |
|
|---|
| 1070 | # Try without a prefix undercore, then with it.
|
|---|
| 1071 | for ac_symprfx in "" "_"; do
|
|---|
| 1072 |
|
|---|
| 1073 | ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'"
|
|---|
| 1074 |
|
|---|
| 1075 | # Check to see that the pipe works correctly.
|
|---|
| 1076 | ac_pipe_works=no
|
|---|
| 1077 | rm -f conftest.$ac_ext
|
|---|
| 1078 | cat > conftest.$ac_ext <<EOF
|
|---|
| 1079 | #ifdef __cplusplus
|
|---|
| 1080 | extern "C" {
|
|---|
| 1081 | #endif
|
|---|
| 1082 | char nm_test_var;
|
|---|
| 1083 | void nm_test_func(){}
|
|---|
| 1084 | #ifdef __cplusplus
|
|---|
| 1085 | }
|
|---|
| 1086 | #endif
|
|---|
| 1087 | int main(){nm_test_var='a';nm_test_func;return 0;}
|
|---|
| 1088 | EOF
|
|---|
| 1089 |
|
|---|
| 1090 | if AC_TRY_EVAL(ac_compile); then
|
|---|
| 1091 | # Now try to grab the symbols.
|
|---|
| 1092 | ac_nlist=conftest.nm
|
|---|
| 1093 |
|
|---|
| 1094 | if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
|
|---|
| 1095 |
|
|---|
| 1096 | # Try sorting and uniquifying the output.
|
|---|
| 1097 | if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
|
|---|
| 1098 | mv -f "$ac_nlist"T "$ac_nlist"
|
|---|
| 1099 | else
|
|---|
| 1100 | rm -f "$ac_nlist"T
|
|---|
| 1101 | fi
|
|---|
| 1102 |
|
|---|
| 1103 | # Make sure that we snagged all the symbols we need.
|
|---|
| 1104 | if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then
|
|---|
| 1105 | if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then
|
|---|
| 1106 | cat <<EOF > conftest.c
|
|---|
| 1107 | #ifdef __cplusplus
|
|---|
| 1108 | extern "C" {
|
|---|
| 1109 | #endif
|
|---|
| 1110 |
|
|---|
| 1111 | EOF
|
|---|
| 1112 | # Now generate the symbol file.
|
|---|
| 1113 | eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c'
|
|---|
| 1114 |
|
|---|
| 1115 | cat <<EOF >> conftest.c
|
|---|
| 1116 | #if defined (__STDC__) && __STDC__
|
|---|
| 1117 | # define lt_ptr_t void *
|
|---|
| 1118 | #else
|
|---|
| 1119 | # define lt_ptr_t char *
|
|---|
| 1120 | # define const
|
|---|
| 1121 | #endif
|
|---|
| 1122 |
|
|---|
| 1123 | /* The mapping between symbol names and symbols. */
|
|---|
| 1124 | const struct {
|
|---|
| 1125 | const char *name;
|
|---|
| 1126 | lt_ptr_t address;
|
|---|
| 1127 | }
|
|---|
| 1128 | changequote(,)dnl
|
|---|
| 1129 | lt_preloaded_symbols[] =
|
|---|
| 1130 | changequote([,])dnl
|
|---|
| 1131 | {
|
|---|
| 1132 | EOF
|
|---|
| 1133 | sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c
|
|---|
| 1134 | cat <<\EOF >> conftest.c
|
|---|
| 1135 | {0, (lt_ptr_t) 0}
|
|---|
| 1136 | };
|
|---|
| 1137 |
|
|---|
| 1138 | #ifdef __cplusplus
|
|---|
| 1139 | }
|
|---|
| 1140 | #endif
|
|---|
| 1141 | EOF
|
|---|
| 1142 | # Now try linking the two files.
|
|---|
| 1143 | mv conftest.$ac_objext conftstm.$ac_objext
|
|---|
| 1144 | ac_save_LIBS="$LIBS"
|
|---|
| 1145 | ac_save_CFLAGS="$CFLAGS"
|
|---|
| 1146 | LIBS="conftstm.$ac_objext"
|
|---|
| 1147 | CFLAGS="$CFLAGS$no_builtin_flag"
|
|---|
| 1148 | if AC_TRY_EVAL(ac_link) && test -s conftest; then
|
|---|
| 1149 | ac_pipe_works=yes
|
|---|
| 1150 | else
|
|---|
| 1151 | echo "configure: failed program was:" >&AC_FD_CC
|
|---|
| 1152 | cat conftest.c >&AC_FD_CC
|
|---|
| 1153 | fi
|
|---|
| 1154 | LIBS="$ac_save_LIBS"
|
|---|
| 1155 | CFLAGS="$ac_save_CFLAGS"
|
|---|
| 1156 | else
|
|---|
| 1157 | echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
|
|---|
| 1158 | fi
|
|---|
| 1159 | else
|
|---|
| 1160 | echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC
|
|---|
| 1161 | fi
|
|---|
| 1162 | else
|
|---|
| 1163 | echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
|
|---|
| 1164 | fi
|
|---|
| 1165 | else
|
|---|
| 1166 | echo "$progname: failed program was:" >&AC_FD_CC
|
|---|
| 1167 | cat conftest.c >&AC_FD_CC
|
|---|
| 1168 | fi
|
|---|
| 1169 | rm -rf conftest* conftst*
|
|---|
| 1170 |
|
|---|
| 1171 | # Do not use the global_symbol_pipe unless it works.
|
|---|
| 1172 | if test "$ac_pipe_works" = yes; then
|
|---|
| 1173 | if test x"$ac_symprfx" = x"_"; then
|
|---|
| 1174 | ac_cv_sys_symbol_underscore=yes
|
|---|
| 1175 | else
|
|---|
| 1176 | ac_cv_sys_symbol_underscore=no
|
|---|
| 1177 | fi
|
|---|
| 1178 | break
|
|---|
| 1179 | else
|
|---|
| 1180 | ac_cv_sys_global_symbol_pipe=
|
|---|
| 1181 | fi
|
|---|
| 1182 | done
|
|---|
| 1183 | ])
|
|---|
| 1184 |
|
|---|
| 1185 | ac_result=yes
|
|---|
| 1186 | if test -z "$ac_cv_sys_global_symbol_pipe"; then
|
|---|
| 1187 | ac_result=no
|
|---|
| 1188 | fi
|
|---|
| 1189 | AC_MSG_RESULT($ac_result)
|
|---|
| 1190 | ])
|
|---|
| 1191 |
|
|---|
| 1192 | AC_DEFUN(AC_LTDL_SYMBOL_USCORE,
|
|---|
| 1193 | [dnl does the compiler prefix global symbols with an underscore?
|
|---|
| 1194 | AC_REQUIRE([AC_LTDL_GLOBAL_SYMBOL_PIPE])dnl
|
|---|
| 1195 | AC_MSG_CHECKING([for _ prefix in compiled symbols])
|
|---|
| 1196 | AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
|
|---|
| 1197 | [ac_cv_sys_symbol_underscore=no
|
|---|
| 1198 | cat > conftest.$ac_ext <<EOF
|
|---|
| 1199 | void nm_test_func(){}
|
|---|
| 1200 | int main(){nm_test_func;return 0;}
|
|---|
| 1201 | EOF
|
|---|
| 1202 | if AC_TRY_EVAL(ac_compile); then
|
|---|
| 1203 | # Now try to grab the symbols.
|
|---|
| 1204 | ac_nlist=conftest.nm
|
|---|
| 1205 | if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
|
|---|
| 1206 | # See whether the symbols have a leading underscore.
|
|---|
| 1207 | if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
|
|---|
| 1208 | ac_cv_sys_symbol_underscore=yes
|
|---|
| 1209 | else
|
|---|
| 1210 | if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
|
|---|
| 1211 | :
|
|---|
| 1212 | else
|
|---|
| 1213 | echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
|
|---|
| 1214 | fi
|
|---|
| 1215 | fi
|
|---|
| 1216 | else
|
|---|
| 1217 | echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
|
|---|
| 1218 | fi
|
|---|
| 1219 | else
|
|---|
| 1220 | echo "configure: failed program was:" >&AC_FD_CC
|
|---|
| 1221 | cat conftest.c >&AC_FD_CC
|
|---|
| 1222 | fi
|
|---|
| 1223 | rm -rf conftest*
|
|---|
| 1224 | ])
|
|---|
| 1225 | AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
|
|---|
| 1226 | AC_LTDL_DLSYM_USCORE
|
|---|
| 1227 | ])
|
|---|
| 1228 |
|
|---|
| 1229 | AC_DEFUN(AC_LTDL_DLSYM_USCORE,
|
|---|
| 1230 | [AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
|
|---|
| 1231 | if test x"$ac_cv_sys_symbol_underscore" = xyes; then
|
|---|
| 1232 | if test x"$ac_cv_func_dlopen" = xyes ||
|
|---|
| 1233 | test x"$ac_cv_lib_dl_dlopen" = xyes ; then
|
|---|
| 1234 | AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
|
|---|
| 1235 | libltdl_cv_need_uscore, [dnl
|
|---|
| 1236 | AC_TRY_RUN([
|
|---|
| 1237 | #if HAVE_DLFCN_H
|
|---|
| 1238 | #include <dlfcn.h>
|
|---|
| 1239 | #endif
|
|---|
| 1240 |
|
|---|
| 1241 | #include <stdio.h>
|
|---|
| 1242 |
|
|---|
| 1243 | #ifdef RTLD_GLOBAL
|
|---|
| 1244 | # define LTDL_GLOBAL RTLD_GLOBAL
|
|---|
| 1245 | #else
|
|---|
| 1246 | # ifdef DL_GLOBAL
|
|---|
| 1247 | # define LTDL_GLOBAL DL_GLOBAL
|
|---|
| 1248 | # else
|
|---|
| 1249 | # define LTDL_GLOBAL 0
|
|---|
| 1250 | # endif
|
|---|
| 1251 | #endif
|
|---|
| 1252 |
|
|---|
| 1253 | /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
|
|---|
| 1254 | find out it does not work in some platform. */
|
|---|
| 1255 | #ifndef LTDL_LAZY_OR_NOW
|
|---|
| 1256 | # ifdef RTLD_LAZY
|
|---|
| 1257 | # define LTDL_LAZY_OR_NOW RTLD_LAZY
|
|---|
| 1258 | # else
|
|---|
| 1259 | # ifdef DL_LAZY
|
|---|
| 1260 | # define LTDL_LAZY_OR_NOW DL_LAZY
|
|---|
| 1261 | # else
|
|---|
| 1262 | # ifdef RTLD_NOW
|
|---|
| 1263 | # define LTDL_LAZY_OR_NOW RTLD_NOW
|
|---|
| 1264 | # else
|
|---|
| 1265 | # ifdef DL_NOW
|
|---|
| 1266 | # define LTDL_LAZY_OR_NOW DL_NOW
|
|---|
| 1267 | # else
|
|---|
| 1268 | # define LTDL_LAZY_OR_NOW 0
|
|---|
| 1269 | # endif
|
|---|
| 1270 | # endif
|
|---|
| 1271 | # endif
|
|---|
| 1272 | # endif
|
|---|
| 1273 | #endif
|
|---|
| 1274 |
|
|---|
| 1275 | fnord() { int i=42;}
|
|---|
| 1276 | main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
|
|---|
| 1277 | if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
|
|---|
| 1278 | if(ptr1 && !ptr2) { dlclose(self); exit(0); } } exit(1); }
|
|---|
| 1279 | ], libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes,
|
|---|
| 1280 | libltdl_cv_need_uscore=cross
|
|---|
| 1281 | )])
|
|---|
| 1282 | fi
|
|---|
| 1283 | fi
|
|---|
| 1284 |
|
|---|
| 1285 | if test x"$libltdl_cv_need_uscore" = xyes; then
|
|---|
| 1286 | AC_DEFINE(NEED_USCORE, 1,
|
|---|
| 1287 | [Define if dlsym() requires a leading underscode in symbol names. ])
|
|---|
| 1288 | fi
|
|---|
| 1289 | ])
|
|---|
