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![Rémi Denis-Courmont](/assets/img/avatar_default.png)
The whole point of keeping the m4 and po/Makefile.in.in is to not need to have the same version all over the place anyway, otherwise we might as well put all these files to .gitignore... Remove some old m4 macros as well.
710 lines
29 KiB
Plaintext
710 lines
29 KiB
Plaintext
# lib-link.m4 serial 13 (gettext-0.17)
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dnl Copyright (C) 2001-2007 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Bruno Haible.
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AC_PREREQ(2.54)
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dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
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dnl the libraries corresponding to explicit and implicit dependencies.
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dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
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dnl augments the CPPFLAGS variable.
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dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
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dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
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AC_DEFUN([AC_LIB_LINKFLAGS],
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[
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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AC_REQUIRE([AC_LIB_RPATH])
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define([Name],[translit([$1],[./-], [___])])
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define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
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AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
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AC_LIB_LINKFLAGS_BODY([$1], [$2])
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ac_cv_lib[]Name[]_libs="$LIB[]NAME"
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ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
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ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
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ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
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])
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LIB[]NAME="$ac_cv_lib[]Name[]_libs"
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LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
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INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
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LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
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AC_SUBST([LIB]NAME)
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AC_SUBST([LTLIB]NAME)
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AC_SUBST([LIB]NAME[_PREFIX])
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dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
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dnl results of this search when this library appears as a dependency.
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HAVE_LIB[]NAME=yes
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undefine([Name])
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undefine([NAME])
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])
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dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
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dnl searches for libname and the libraries corresponding to explicit and
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dnl implicit dependencies, together with the specified include files and
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dnl the ability to compile and link the specified testcode. If found, it
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dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
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dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
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dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
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dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
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dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
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dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
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AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
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[
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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AC_REQUIRE([AC_LIB_RPATH])
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define([Name],[translit([$1],[./-], [___])])
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define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
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dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
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dnl accordingly.
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AC_LIB_LINKFLAGS_BODY([$1], [$2])
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dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
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dnl because if the user has installed lib[]Name and not disabled its use
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dnl via --without-lib[]Name-prefix, he wants to use it.
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ac_save_CPPFLAGS="$CPPFLAGS"
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
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AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
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ac_save_LIBS="$LIBS"
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LIBS="$LIBS $LIB[]NAME"
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AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
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LIBS="$ac_save_LIBS"
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])
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if test "$ac_cv_lib[]Name" = yes; then
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HAVE_LIB[]NAME=yes
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AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
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AC_MSG_CHECKING([how to link with lib[]$1])
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AC_MSG_RESULT([$LIB[]NAME])
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else
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HAVE_LIB[]NAME=no
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dnl If $LIB[]NAME didn't lead to a usable library, we don't need
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dnl $INC[]NAME either.
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CPPFLAGS="$ac_save_CPPFLAGS"
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LIB[]NAME=
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LTLIB[]NAME=
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LIB[]NAME[]_PREFIX=
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fi
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AC_SUBST([HAVE_LIB]NAME)
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AC_SUBST([LIB]NAME)
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AC_SUBST([LTLIB]NAME)
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AC_SUBST([LIB]NAME[_PREFIX])
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undefine([Name])
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undefine([NAME])
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])
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dnl Determine the platform dependent parameters needed to use rpath:
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dnl acl_libext,
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dnl acl_shlibext,
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dnl acl_hardcode_libdir_flag_spec,
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dnl acl_hardcode_libdir_separator,
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dnl acl_hardcode_direct,
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dnl acl_hardcode_minus_L.
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AC_DEFUN([AC_LIB_RPATH],
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[
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dnl Tell automake >= 1.10 to complain if config.rpath is missing.
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m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])])
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AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
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AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
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AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
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AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
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AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
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CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
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${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
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. ./conftest.sh
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rm -f ./conftest.sh
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acl_cv_rpath=done
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])
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wl="$acl_cv_wl"
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acl_libext="$acl_cv_libext"
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acl_shlibext="$acl_cv_shlibext"
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acl_libname_spec="$acl_cv_libname_spec"
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acl_library_names_spec="$acl_cv_library_names_spec"
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acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
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acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
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acl_hardcode_direct="$acl_cv_hardcode_direct"
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acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
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dnl Determine whether the user wants rpath handling at all.
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AC_ARG_ENABLE(rpath,
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[ --disable-rpath do not hardcode runtime library paths],
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:, enable_rpath=yes)
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])
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dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
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dnl the libraries corresponding to explicit and implicit dependencies.
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dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
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dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found
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dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
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AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
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[
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AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
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define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
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dnl Autoconf >= 2.61 supports dots in --with options.
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define([N_A_M_E],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[translit([$1],[.],[_])],[$1])])
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dnl By default, look in $includedir and $libdir.
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use_additional=yes
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AC_LIB_WITH_FINAL_PREFIX([
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eval additional_includedir=\"$includedir\"
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eval additional_libdir=\"$libdir\"
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])
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AC_LIB_ARG_WITH([lib]N_A_M_E[-prefix],
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[ --with-lib]N_A_M_E[-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib
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--without-lib]N_A_M_E[-prefix don't search for lib$1 in includedir and libdir],
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[
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if test "X$withval" = "Xno"; then
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use_additional=no
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else
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if test "X$withval" = "X"; then
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AC_LIB_WITH_FINAL_PREFIX([
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eval additional_includedir=\"$includedir\"
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eval additional_libdir=\"$libdir\"
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])
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else
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additional_includedir="$withval/include"
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additional_libdir="$withval/$acl_libdirstem"
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fi
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fi
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])
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dnl Search the library and its dependencies in $additional_libdir and
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dnl $LDFLAGS. Using breadth-first-seach.
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LIB[]NAME=
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LTLIB[]NAME=
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INC[]NAME=
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LIB[]NAME[]_PREFIX=
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rpathdirs=
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ltrpathdirs=
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names_already_handled=
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names_next_round='$1 $2'
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while test -n "$names_next_round"; do
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names_this_round="$names_next_round"
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names_next_round=
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for name in $names_this_round; do
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already_handled=
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for n in $names_already_handled; do
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if test "$n" = "$name"; then
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already_handled=yes
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break
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fi
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done
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if test -z "$already_handled"; then
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names_already_handled="$names_already_handled $name"
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dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
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dnl or AC_LIB_HAVE_LINKFLAGS call.
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uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
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eval value=\"\$HAVE_LIB$uppername\"
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if test -n "$value"; then
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if test "$value" = yes; then
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eval value=\"\$LIB$uppername\"
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test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
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eval value=\"\$LTLIB$uppername\"
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test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
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else
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dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
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dnl that this library doesn't exist. So just drop it.
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:
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fi
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else
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dnl Search the library lib$name in $additional_libdir and $LDFLAGS
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dnl and the already constructed $LIBNAME/$LTLIBNAME.
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found_dir=
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found_la=
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found_so=
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found_a=
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eval libname=\"$acl_libname_spec\" # typically: libname=lib$name
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if test -n "$acl_shlibext"; then
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shrext=".$acl_shlibext" # typically: shrext=.so
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else
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shrext=
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fi
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if test $use_additional = yes; then
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dir="$additional_libdir"
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dnl The same code as in the loop below:
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dnl First look for a shared library.
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if test -n "$acl_shlibext"; then
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if test -f "$dir/$libname$shrext"; then
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found_dir="$dir"
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found_so="$dir/$libname$shrext"
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else
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if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
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ver=`(cd "$dir" && \
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for f in "$libname$shrext".*; do echo "$f"; done \
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| sed -e "s,^$libname$shrext\\\\.,," \
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| sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
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| sed 1q ) 2>/dev/null`
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if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then
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found_dir="$dir"
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found_so="$dir/$libname$shrext.$ver"
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fi
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else
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eval library_names=\"$acl_library_names_spec\"
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for f in $library_names; do
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if test -f "$dir/$f"; then
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found_dir="$dir"
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found_so="$dir/$f"
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break
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fi
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done
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fi
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fi
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fi
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dnl Then look for a static library.
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if test "X$found_dir" = "X"; then
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if test -f "$dir/$libname.$acl_libext"; then
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found_dir="$dir"
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found_a="$dir/$libname.$acl_libext"
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fi
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fi
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if test "X$found_dir" != "X"; then
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if test -f "$dir/$libname.la"; then
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found_la="$dir/$libname.la"
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fi
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fi
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fi
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if test "X$found_dir" = "X"; then
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for x in $LDFLAGS $LTLIB[]NAME; do
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AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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case "$x" in
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-L*)
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dir=`echo "X$x" | sed -e 's/^X-L//'`
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dnl First look for a shared library.
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if test -n "$acl_shlibext"; then
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if test -f "$dir/$libname$shrext"; then
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found_dir="$dir"
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found_so="$dir/$libname$shrext"
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else
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if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
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ver=`(cd "$dir" && \
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for f in "$libname$shrext".*; do echo "$f"; done \
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| sed -e "s,^$libname$shrext\\\\.,," \
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| sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
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| sed 1q ) 2>/dev/null`
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if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then
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found_dir="$dir"
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found_so="$dir/$libname$shrext.$ver"
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fi
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else
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eval library_names=\"$acl_library_names_spec\"
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for f in $library_names; do
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if test -f "$dir/$f"; then
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found_dir="$dir"
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found_so="$dir/$f"
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break
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fi
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done
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fi
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fi
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fi
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dnl Then look for a static library.
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if test "X$found_dir" = "X"; then
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if test -f "$dir/$libname.$acl_libext"; then
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found_dir="$dir"
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found_a="$dir/$libname.$acl_libext"
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fi
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fi
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if test "X$found_dir" != "X"; then
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if test -f "$dir/$libname.la"; then
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found_la="$dir/$libname.la"
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fi
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fi
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;;
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esac
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if test "X$found_dir" != "X"; then
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break
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fi
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done
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fi
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if test "X$found_dir" != "X"; then
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dnl Found the library.
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LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
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if test "X$found_so" != "X"; then
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dnl Linking with a shared library. We attempt to hardcode its
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dnl directory into the executable's runpath, unless it's the
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dnl standard /usr/lib.
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if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then
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dnl No hardcoding is needed.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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else
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dnl Use an explicit option to hardcode DIR into the resulting
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dnl binary.
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dnl Potentially add DIR to ltrpathdirs.
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dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
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haveit=
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for x in $ltrpathdirs; do
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if test "X$x" = "X$found_dir"; then
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haveit=yes
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break
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fi
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done
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if test -z "$haveit"; then
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ltrpathdirs="$ltrpathdirs $found_dir"
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fi
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dnl The hardcoding into $LIBNAME is system dependent.
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if test "$acl_hardcode_direct" = yes; then
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dnl Using DIR/libNAME.so during linking hardcodes DIR into the
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dnl resulting binary.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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else
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if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
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dnl Use an explicit option to hardcode DIR into the resulting
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dnl binary.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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dnl Potentially add DIR to rpathdirs.
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dnl The rpathdirs will be appended to $LIBNAME at the end.
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haveit=
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for x in $rpathdirs; do
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if test "X$x" = "X$found_dir"; then
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haveit=yes
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break
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fi
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done
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if test -z "$haveit"; then
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rpathdirs="$rpathdirs $found_dir"
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fi
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else
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dnl Rely on "-L$found_dir".
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dnl But don't add it if it's already contained in the LDFLAGS
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dnl or the already constructed $LIBNAME
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haveit=
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for x in $LDFLAGS $LIB[]NAME; do
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AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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if test "X$x" = "X-L$found_dir"; then
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haveit=yes
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break
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fi
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done
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if test -z "$haveit"; then
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
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fi
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if test "$acl_hardcode_minus_L" != no; then
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dnl FIXME: Not sure whether we should use
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dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
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dnl here.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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else
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dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
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dnl here, because this doesn't fit in flags passed to the
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dnl compiler. So give up. No hardcoding. This affects only
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dnl very old systems.
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dnl FIXME: Not sure whether we should use
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dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
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dnl here.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
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fi
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fi
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fi
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fi
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else
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if test "X$found_a" != "X"; then
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dnl Linking with a static library.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
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else
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dnl We shouldn't come here, but anyway it's good to have a
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dnl fallback.
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
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fi
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fi
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dnl Assume the include files are nearby.
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additional_includedir=
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case "$found_dir" in
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*/$acl_libdirstem | */$acl_libdirstem/)
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basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
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LIB[]NAME[]_PREFIX="$basedir"
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additional_includedir="$basedir/include"
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;;
|
|
esac
|
|
if test "X$additional_includedir" != "X"; then
|
|
dnl Potentially add $additional_includedir to $INCNAME.
|
|
dnl But don't add it
|
|
dnl 1. if it's the standard /usr/include,
|
|
dnl 2. if it's /usr/local/include and we are using GCC on Linux,
|
|
dnl 3. if it's already present in $CPPFLAGS or the already
|
|
dnl constructed $INCNAME,
|
|
dnl 4. if it doesn't exist as a directory.
|
|
if test "X$additional_includedir" != "X/usr/include"; then
|
|
haveit=
|
|
if test "X$additional_includedir" = "X/usr/local/include"; then
|
|
if test -n "$GCC"; then
|
|
case $host_os in
|
|
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
|
|
esac
|
|
fi
|
|
fi
|
|
if test -z "$haveit"; then
|
|
for x in $CPPFLAGS $INC[]NAME; do
|
|
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|
if test "X$x" = "X-I$additional_includedir"; then
|
|
haveit=yes
|
|
break
|
|
fi
|
|
done
|
|
if test -z "$haveit"; then
|
|
if test -d "$additional_includedir"; then
|
|
dnl Really add $additional_includedir to $INCNAME.
|
|
INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
dnl Look for dependencies.
|
|
if test -n "$found_la"; then
|
|
dnl Read the .la file. It defines the variables
|
|
dnl dlname, library_names, old_library, dependency_libs, current,
|
|
dnl age, revision, installed, dlopen, dlpreopen, libdir.
|
|
save_libdir="$libdir"
|
|
case "$found_la" in
|
|
*/* | *\\*) . "$found_la" ;;
|
|
*) . "./$found_la" ;;
|
|
esac
|
|
libdir="$save_libdir"
|
|
dnl We use only dependency_libs.
|
|
for dep in $dependency_libs; do
|
|
case "$dep" in
|
|
-L*)
|
|
additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
|
|
dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
|
|
dnl But don't add it
|
|
dnl 1. if it's the standard /usr/lib,
|
|
dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
|
|
dnl 3. if it's already present in $LDFLAGS or the already
|
|
dnl constructed $LIBNAME,
|
|
dnl 4. if it doesn't exist as a directory.
|
|
if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
|
|
haveit=
|
|
if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
|
|
if test -n "$GCC"; then
|
|
case $host_os in
|
|
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
|
|
esac
|
|
fi
|
|
fi
|
|
if test -z "$haveit"; then
|
|
haveit=
|
|
for x in $LDFLAGS $LIB[]NAME; do
|
|
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|
if test "X$x" = "X-L$additional_libdir"; then
|
|
haveit=yes
|
|
break
|
|
fi
|
|
done
|
|
if test -z "$haveit"; then
|
|
if test -d "$additional_libdir"; then
|
|
dnl Really add $additional_libdir to $LIBNAME.
|
|
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
|
|
fi
|
|
fi
|
|
haveit=
|
|
for x in $LDFLAGS $LTLIB[]NAME; do
|
|
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|
if test "X$x" = "X-L$additional_libdir"; then
|
|
haveit=yes
|
|
break
|
|
fi
|
|
done
|
|
if test -z "$haveit"; then
|
|
if test -d "$additional_libdir"; then
|
|
dnl Really add $additional_libdir to $LTLIBNAME.
|
|
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
;;
|
|
-R*)
|
|
dir=`echo "X$dep" | sed -e 's/^X-R//'`
|
|
if test "$enable_rpath" != no; then
|
|
dnl Potentially add DIR to rpathdirs.
|
|
dnl The rpathdirs will be appended to $LIBNAME at the end.
|
|
haveit=
|
|
for x in $rpathdirs; do
|
|
if test "X$x" = "X$dir"; then
|
|
haveit=yes
|
|
break
|
|
fi
|
|
done
|
|
if test -z "$haveit"; then
|
|
rpathdirs="$rpathdirs $dir"
|
|
fi
|
|
dnl Potentially add DIR to ltrpathdirs.
|
|
dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
|
|
haveit=
|
|
for x in $ltrpathdirs; do
|
|
if test "X$x" = "X$dir"; then
|
|
haveit=yes
|
|
break
|
|
fi
|
|
done
|
|
if test -z "$haveit"; then
|
|
ltrpathdirs="$ltrpathdirs $dir"
|
|
fi
|
|
fi
|
|
;;
|
|
-l*)
|
|
dnl Handle this in the next round.
|
|
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
|
|
;;
|
|
*.la)
|
|
dnl Handle this in the next round. Throw away the .la's
|
|
dnl directory; it is already contained in a preceding -L
|
|
dnl option.
|
|
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
|
|
;;
|
|
*)
|
|
dnl Most likely an immediate library name.
|
|
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
|
|
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
|
|
;;
|
|
esac
|
|
done
|
|
fi
|
|
else
|
|
dnl Didn't find the library; assume it is in the system directories
|
|
dnl known to the linker and runtime loader. (All the system
|
|
dnl directories known to the linker should also be known to the
|
|
dnl runtime loader, otherwise the system is severely misconfigured.)
|
|
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
|
|
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
|
|
fi
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
if test "X$rpathdirs" != "X"; then
|
|
if test -n "$acl_hardcode_libdir_separator"; then
|
|
dnl Weird platform: only the last -rpath option counts, the user must
|
|
dnl pass all path elements in one option. We can arrange that for a
|
|
dnl single library, but not when more than one $LIBNAMEs are used.
|
|
alldirs=
|
|
for found_dir in $rpathdirs; do
|
|
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
|
|
done
|
|
dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
|
|
acl_save_libdir="$libdir"
|
|
libdir="$alldirs"
|
|
eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|
libdir="$acl_save_libdir"
|
|
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
|
|
else
|
|
dnl The -rpath options are cumulative.
|
|
for found_dir in $rpathdirs; do
|
|
acl_save_libdir="$libdir"
|
|
libdir="$found_dir"
|
|
eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|
libdir="$acl_save_libdir"
|
|
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
|
|
done
|
|
fi
|
|
fi
|
|
if test "X$ltrpathdirs" != "X"; then
|
|
dnl When using libtool, the option that works for both libraries and
|
|
dnl executables is -R. The -R options are cumulative.
|
|
for found_dir in $ltrpathdirs; do
|
|
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
|
|
done
|
|
fi
|
|
])
|
|
|
|
dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
|
|
dnl unless already present in VAR.
|
|
dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
|
|
dnl contains two or three consecutive elements that belong together.
|
|
AC_DEFUN([AC_LIB_APPENDTOVAR],
|
|
[
|
|
for element in [$2]; do
|
|
haveit=
|
|
for x in $[$1]; do
|
|
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|
if test "X$x" = "X$element"; then
|
|
haveit=yes
|
|
break
|
|
fi
|
|
done
|
|
if test -z "$haveit"; then
|
|
[$1]="${[$1]}${[$1]:+ }$element"
|
|
fi
|
|
done
|
|
])
|
|
|
|
dnl For those cases where a variable contains several -L and -l options
|
|
dnl referring to unknown libraries and directories, this macro determines the
|
|
dnl necessary additional linker options for the runtime path.
|
|
dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL])
|
|
dnl sets LDADDVAR to linker options needed together with LIBSVALUE.
|
|
dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed,
|
|
dnl otherwise linking without libtool is assumed.
|
|
AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS],
|
|
[
|
|
AC_REQUIRE([AC_LIB_RPATH])
|
|
AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
|
|
$1=
|
|
if test "$enable_rpath" != no; then
|
|
if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
|
|
dnl Use an explicit option to hardcode directories into the resulting
|
|
dnl binary.
|
|
rpathdirs=
|
|
next=
|
|
for opt in $2; do
|
|
if test -n "$next"; then
|
|
dir="$next"
|
|
dnl No need to hardcode the standard /usr/lib.
|
|
if test "X$dir" != "X/usr/$acl_libdirstem"; then
|
|
rpathdirs="$rpathdirs $dir"
|
|
fi
|
|
next=
|
|
else
|
|
case $opt in
|
|
-L) next=yes ;;
|
|
-L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
|
|
dnl No need to hardcode the standard /usr/lib.
|
|
if test "X$dir" != "X/usr/$acl_libdirstem"; then
|
|
rpathdirs="$rpathdirs $dir"
|
|
fi
|
|
next= ;;
|
|
*) next= ;;
|
|
esac
|
|
fi
|
|
done
|
|
if test "X$rpathdirs" != "X"; then
|
|
if test -n ""$3""; then
|
|
dnl libtool is used for linking. Use -R options.
|
|
for dir in $rpathdirs; do
|
|
$1="${$1}${$1:+ }-R$dir"
|
|
done
|
|
else
|
|
dnl The linker is used for linking directly.
|
|
if test -n "$acl_hardcode_libdir_separator"; then
|
|
dnl Weird platform: only the last -rpath option counts, the user
|
|
dnl must pass all path elements in one option.
|
|
alldirs=
|
|
for dir in $rpathdirs; do
|
|
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
|
|
done
|
|
acl_save_libdir="$libdir"
|
|
libdir="$alldirs"
|
|
eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|
libdir="$acl_save_libdir"
|
|
$1="$flag"
|
|
else
|
|
dnl The -rpath options are cumulative.
|
|
for dir in $rpathdirs; do
|
|
acl_save_libdir="$libdir"
|
|
libdir="$dir"
|
|
eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|
libdir="$acl_save_libdir"
|
|
$1="${$1}${$1:+ }$flag"
|
|
done
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
AC_SUBST([$1])
|
|
])
|