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@@ -0,0 +1,800 @@
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+# lib-link.m4 serial 31
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+dnl Copyright (C) 2001-2020 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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+
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+dnl From Bruno Haible.
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+
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+AC_PREREQ([2.61])
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+
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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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+ pushdef([Name],[m4_translit([$1],[./+-], [____])])
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+ pushdef([NAME],[m4_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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+ popdef([NAME])
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+ popdef([Name])
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+])
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+
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+dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message])
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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. The missing-message
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+dnl defaults to 'no' and may contain additional hints for the user.
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+dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME}
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+dnl and 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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+ pushdef([Name],[m4_translit([$1],[./+-], [____])])
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+ pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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+
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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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+
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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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+
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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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+ dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS,
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+ dnl because these -l options might require -L options that are present in
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+ dnl LIBS. -l options benefit only from the -L options listed before it.
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+ dnl Otherwise, add it to the front of LIBS, because it may be a static
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+ dnl library that depends on another static library that is present in LIBS.
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+ dnl Static libraries benefit only from the static libraries listed after
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+ dnl it.
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+ case " $LIB[]NAME" in
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+ *" -l"*) LIBS="$LIBS $LIB[]NAME" ;;
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+ *) LIBS="$LIB[]NAME $LIBS" ;;
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+ esac
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+ AC_LINK_IFELSE(
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+ [AC_LANG_PROGRAM([[$3]], [[$4]])],
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+ [ac_cv_lib[]Name=yes],
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+ [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
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+ LIBS="$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 lib][$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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+ popdef([NAME])
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+ popdef([Name])
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+])
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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_libname_spec,
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+dnl acl_library_names_spec,
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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 Complain if config.rpath is missing.
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+ 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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+
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+dnl AC_LIB_FROMPACKAGE(name, package)
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+dnl declares that libname comes from the given package. The configure file
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+dnl will then not have a --with-libname-prefix option but a
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+dnl --with-package-prefix option. Several libraries can come from the same
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+dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar
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+dnl macro call that searches for libname.
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+AC_DEFUN([AC_LIB_FROMPACKAGE],
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+[
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+ pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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+ define([acl_frompackage_]NAME, [$2])
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+ popdef([NAME])
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+ pushdef([PACK],[$2])
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+ pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
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+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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+ define([acl_libsinpackage_]PACKUP,
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+ m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1])
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+ popdef([PACKUP])
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+ popdef([PACK])
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+])
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+
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+dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
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+dnl the libraries corresponding to explicit and implicit dependencies.
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+dnl Sets the LIB${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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+ pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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+ pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
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+ pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
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+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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+ pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$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=\"$libdir\"
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+ eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
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+ eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
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+ ])
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+ AC_ARG_WITH(PACK[-prefix],
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+[[ --with-]]PACK[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib
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+ --without-]]PACK[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]],
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+[
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+ if test "X$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=\"$libdir\"
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+ eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
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+ eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
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+ ])
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+ else
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+ additional_includedir="$withval/include"
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+ additional_libdir="$withval/$acl_libdirstem"
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+ additional_libdir2="$withval/$acl_libdirstem2"
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+ additional_libdir3="$withval/$acl_libdirstem3"
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+ fi
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+ fi
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+])
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+ if test "X$additional_libdir2" = "X$additional_libdir"; then
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+ additional_libdir2=
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+ fi
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+ if test "X$additional_libdir3" = "X$additional_libdir"; then
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+ additional_libdir3=
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+ fi
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+ dnl Search the library and its dependencies in $additional_libdir and
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+ dnl $LDFLAGS. Using breadth-first-seach.
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+ LIB[]NAME=
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+ LTLIB[]NAME=
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+ INC[]NAME=
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+ LIB[]NAME[]_PREFIX=
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+ dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been
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+ dnl computed. So it has to be reset here.
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+ HAVE_LIB[]NAME=
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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 $use_additional = yes; then
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+ for additional_libdir_variable in additional_libdir additional_libdir2 additional_libdir3; do
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+ if test "X$found_dir" = "X"; then
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+ eval dir=\$$additional_libdir_variable
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+ if test -n "$dir"; then
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+ dnl The same code as in the loop below:
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+ dnl First look for a shared library.
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+ if test -n "$acl_shlibext"; then
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+ if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$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.$ver" && acl_is_expected_elfclass < "$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/$f" && acl_is_expected_elfclass < "$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" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; 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/$libname.la"
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+ fi
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+ fi
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+ fi
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+ fi
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+ done
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+ fi
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+ if test "X$found_dir" = "X"; then
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+ 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//'`
|
|
|
+ dnl First look for a shared library.
|
|
|
+ if test -n "$acl_shlibext"; then
|
|
|
+ if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
|
|
|
+ found_dir="$dir"
|
|
|
+ found_so="$dir/$libname$shrext"
|
|
|
+ else
|
|
|
+ if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
|
|
|
+ ver=`(cd "$dir" && \
|
|
|
+ for f in "$libname$shrext".*; do echo "$f"; done \
|
|
|
+ | sed -e "s,^$libname$shrext\\\\.,," \
|
|
|
+ | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
|
|
|
+ | sed 1q ) 2>/dev/null`
|
|
|
+ if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
|
|
|
+ found_dir="$dir"
|
|
|
+ found_so="$dir/$libname$shrext.$ver"
|
|
|
+ fi
|
|
|
+ else
|
|
|
+ eval library_names=\"$acl_library_names_spec\"
|
|
|
+ for f in $library_names; do
|
|
|
+ if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
|
|
|
+ found_dir="$dir"
|
|
|
+ found_so="$dir/$f"
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ dnl Then look for a static library.
|
|
|
+ if test "X$found_dir" = "X"; then
|
|
|
+ if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
|
|
|
+ found_dir="$dir"
|
|
|
+ found_a="$dir/$libname.$acl_libext"
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ if test "X$found_dir" != "X"; then
|
|
|
+ if test -f "$dir/$libname.la"; then
|
|
|
+ found_la="$dir/$libname.la"
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ ;;
|
|
|
+ esac
|
|
|
+ if test "X$found_dir" != "X"; then
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ fi
|
|
|
+ if test "X$found_dir" != "X"; then
|
|
|
+ dnl Found the library.
|
|
|
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
|
|
|
+ if test "X$found_so" != "X"; then
|
|
|
+ dnl Linking with a shared library. We attempt to hardcode its
|
|
|
+ dnl directory into the executable's runpath, unless it's the
|
|
|
+ dnl standard /usr/lib.
|
|
|
+ if test "$enable_rpath" = no \
|
|
|
+ || test "X$found_dir" = "X/usr/$acl_libdirstem" \
|
|
|
+ || test "X$found_dir" = "X/usr/$acl_libdirstem2" \
|
|
|
+ || test "X$found_dir" = "X/usr/$acl_libdirstem3"; then
|
|
|
+ dnl No hardcoding is needed.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|
|
+ else
|
|
|
+ dnl Use an explicit option to hardcode DIR into the resulting
|
|
|
+ dnl binary.
|
|
|
+ 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$found_dir"; then
|
|
|
+ haveit=yes
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ if test -z "$haveit"; then
|
|
|
+ ltrpathdirs="$ltrpathdirs $found_dir"
|
|
|
+ fi
|
|
|
+ dnl The hardcoding into $LIBNAME is system dependent.
|
|
|
+ if test "$acl_hardcode_direct" = yes; then
|
|
|
+ dnl Using DIR/libNAME.so during linking hardcodes DIR into the
|
|
|
+ dnl resulting binary.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|
|
+ else
|
|
|
+ if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
|
|
|
+ dnl Use an explicit option to hardcode DIR into the resulting
|
|
|
+ dnl binary.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|
|
+ 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$found_dir"; then
|
|
|
+ haveit=yes
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ if test -z "$haveit"; then
|
|
|
+ rpathdirs="$rpathdirs $found_dir"
|
|
|
+ fi
|
|
|
+ else
|
|
|
+ dnl Rely on "-L$found_dir".
|
|
|
+ dnl But don't add it if it's already contained in the LDFLAGS
|
|
|
+ dnl or the already constructed $LIBNAME
|
|
|
+ haveit=
|
|
|
+ for x in $LDFLAGS $LIB[]NAME; do
|
|
|
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|
|
+ if test "X$x" = "X-L$found_dir"; then
|
|
|
+ haveit=yes
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ if test -z "$haveit"; then
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
|
|
|
+ fi
|
|
|
+ if test "$acl_hardcode_minus_L" != no; then
|
|
|
+ dnl FIXME: Not sure whether we should use
|
|
|
+ dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
|
|
|
+ dnl here.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|
|
+ else
|
|
|
+ dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
|
|
|
+ dnl here, because this doesn't fit in flags passed to the
|
|
|
+ dnl compiler. So give up. No hardcoding. This affects only
|
|
|
+ dnl very old systems.
|
|
|
+ dnl FIXME: Not sure whether we should use
|
|
|
+ dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
|
|
|
+ dnl here.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ else
|
|
|
+ if test "X$found_a" != "X"; then
|
|
|
+ dnl Linking with a static library.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
|
|
|
+ else
|
|
|
+ dnl We shouldn't come here, but anyway it's good to have a
|
|
|
+ dnl fallback.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ dnl Assume the include files are nearby.
|
|
|
+ additional_includedir=
|
|
|
+ case "$found_dir" in
|
|
|
+ */$acl_libdirstem | */$acl_libdirstem/)
|
|
|
+ basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
|
|
|
+ if test "$name" = '$1'; then
|
|
|
+ LIB[]NAME[]_PREFIX="$basedir"
|
|
|
+ fi
|
|
|
+ additional_includedir="$basedir/include"
|
|
|
+ ;;
|
|
|
+ */$acl_libdirstem2 | */$acl_libdirstem2/)
|
|
|
+ basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'`
|
|
|
+ if test "$name" = '$1'; then
|
|
|
+ LIB[]NAME[]_PREFIX="$basedir"
|
|
|
+ fi
|
|
|
+ additional_includedir="$basedir/include"
|
|
|
+ ;;
|
|
|
+ */$acl_libdirstem3 | */$acl_libdirstem3/)
|
|
|
+ basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem3/"'*$,,'`
|
|
|
+ if test "$name" = '$1'; then
|
|
|
+ LIB[]NAME[]_PREFIX="$basedir"
|
|
|
+ fi
|
|
|
+ additional_includedir="$basedir/include"
|
|
|
+ ;;
|
|
|
+ esac
|
|
|
+ if test "X$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*)
|
|
|
+ dependency_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
|
|
|
+ dnl Potentially add $dependency_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 $LIBNAME,
|
|
|
+ dnl 4. if it doesn't exist as a directory.
|
|
|
+ if test "X$dependency_libdir" != "X/usr/$acl_libdirstem" \
|
|
|
+ && test "X$dependency_libdir" != "X/usr/$acl_libdirstem2" \
|
|
|
+ && test "X$dependency_libdir" != "X/usr/$acl_libdirstem3"; then
|
|
|
+ haveit=
|
|
|
+ if test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem" \
|
|
|
+ || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem2" \
|
|
|
+ || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem3"; then
|
|
|
+ if test -n "$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$x" = "X-L$dependency_libdir"; then
|
|
|
+ haveit=yes
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ if test -z "$haveit"; then
|
|
|
+ if test -d "$dependency_libdir"; then
|
|
|
+ dnl Really add $dependency_libdir to $LIBNAME.
|
|
|
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$dependency_libdir"
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ haveit=
|
|
|
+ for x in $LDFLAGS $LTLIB[]NAME; do
|
|
|
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|
|
+ if test "X$x" = "X-L$dependency_libdir"; then
|
|
|
+ haveit=yes
|
|
|
+ break
|
|
|
+ fi
|
|
|
+ done
|
|
|
+ if test -z "$haveit"; then
|
|
|
+ if test -d "$dependency_libdir"; then
|
|
|
+ dnl Really add $dependency_libdir to $LTLIBNAME.
|
|
|
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$dependency_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
|
|
|
+ popdef([PACKLIBS])
|
|
|
+ popdef([PACKUP])
|
|
|
+ popdef([PACK])
|
|
|
+ popdef([NAME])
|
|
|
+])
|
|
|
+
|
|
|
+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/$acl_libdirstem" \
|
|
|
+ && test "X$dir" != "X/usr/$acl_libdirstem2" \
|
|
|
+ && test "X$dir" != "X/usr/$acl_libdirstem3"; then
|
|
|
+ rpathdirs="$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" \
|
|
|
+ && test "X$dir" != "X/usr/$acl_libdirstem2" \
|
|
|
+ && test "X$dir" != "X/usr/$acl_libdirstem3"; 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])
|
|
|
+])
|
OBATA Akio