|
202.3.1
by Monty Taylor
Added very initial gettextize stuff. |
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# 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 "$acl_shlibext"; then |
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278 |
if test -f "$dir/$libname$shrext"; then |
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found_dir="$dir" |
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found_so="$dir/$libname$shrext" |
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281 |
else
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282 |
if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then |
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ver=`(cd "$dir" && \ |
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284 |
for f in "$libname$shrext".*; do echo "$f"; done \ |
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285 |
| 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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287 |
| sed 1q ) 2>/dev/null`
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288 |
if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then |
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289 |
found_dir="$dir" |
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290 |
found_so="$dir/$libname$shrext.$ver" |
|
291 |
fi
|
|
292 |
else
|
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293 |
eval library_names=\"$acl_library_names_spec\" |
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294 |
for f in $library_names; do
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295 |
if test -f "$dir/$f"; then |
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296 |
found_dir="$dir" |
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297 |
found_so="$dir/$f" |
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298 |
break
|
|
299 |
fi
|
|
300 |
done
|
|
301 |
fi
|
|
302 |
fi
|
|
303 |
fi
|
|
304 |
dnl Then look for a static library.
|
|
305 |
if test "X$found_dir" = "X"; then |
|
306 |
if test -f "$dir/$libname.$acl_libext"; then |
|
307 |
found_dir="$dir" |
|
308 |
found_a="$dir/$libname.$acl_libext" |
|
309 |
fi
|
|
310 |
fi
|
|
311 |
if test "X$found_dir" != "X"; then |
|
312 |
if test -f "$dir/$libname.la"; then |
|
313 |
found_la="$dir/$libname.la" |
|
314 |
fi
|
|
315 |
fi
|
|
316 |
;;
|
|
317 |
esac
|
|
318 |
if test "X$found_dir" != "X"; then |
|
319 |
break
|
|
320 |
fi
|
|
321 |
done
|
|
322 |
fi
|
|
323 |
if test "X$found_dir" != "X"; then |
|
324 |
dnl Found the library.
|
|
325 |
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" |
|
326 |
if test "X$found_so" != "X"; then |
|
327 |
dnl Linking with a shared library. We attempt to hardcode its
|
|
328 |
dnl directory into the executable's runpath, unless it's the
|
|
329 |
dnl standard /usr/lib.
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|
330 |
if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then |
|
331 |
dnl No hardcoding is needed.
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|
332 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
|
333 |
else
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|
334 |
dnl Use an explicit option to hardcode DIR into the resulting
|
|
335 |
dnl binary.
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|
336 |
dnl Potentially add DIR to ltrpathdirs.
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|
337 |
dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
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|
338 |
haveit=
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|
339 |
for x in $ltrpathdirs; do
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|
340 |
if test "X$x" = "X$found_dir"; then |
|
341 |
haveit=yes
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|
342 |
break
|
|
343 |
fi
|
|
344 |
done
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|
345 |
if test -z "$haveit"; then |
|
346 |
ltrpathdirs="$ltrpathdirs $found_dir" |
|
347 |
fi
|
|
348 |
dnl The hardcoding into $LIBNAME is system dependent.
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|
349 |
if test "$acl_hardcode_direct" = yes; then |
|
350 |
dnl Using DIR/libNAME.so during linking hardcodes DIR into the
|
|
351 |
dnl resulting binary.
|
|
352 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
|
353 |
else
|
|
354 |
if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then |
|
355 |
dnl Use an explicit option to hardcode DIR into the resulting
|
|
356 |
dnl binary.
|
|
357 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
|
358 |
dnl Potentially add DIR to rpathdirs.
|
|
359 |
dnl The rpathdirs will be appended to $LIBNAME at the end.
|
|
360 |
haveit=
|
|
361 |
for x in $rpathdirs; do
|
|
362 |
if test "X$x" = "X$found_dir"; then |
|
363 |
haveit=yes
|
|
364 |
break
|
|
365 |
fi
|
|
366 |
done
|
|
367 |
if test -z "$haveit"; then |
|
368 |
rpathdirs="$rpathdirs $found_dir" |
|
369 |
fi
|
|
370 |
else
|
|
371 |
dnl Rely on "-L$found_dir". |
|
372 |
dnl But don't add it if it's already contained in the LDFLAGS
|
|
373 |
dnl or the already constructed $LIBNAME
|
|
374 |
haveit=
|
|
375 |
for x in $LDFLAGS $LIB[]NAME; do
|
|
376 |
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
377 |
if test "X$x" = "X-L$found_dir"; then |
|
378 |
haveit=yes
|
|
379 |
break
|
|
380 |
fi
|
|
381 |
done
|
|
382 |
if test -z "$haveit"; then |
|
383 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" |
|
384 |
fi
|
|
385 |
if test "$acl_hardcode_minus_L" != no; then |
|
386 |
dnl FIXME: Not sure whether we should use
|
|
387 |
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
|
388 |
dnl here.
|
|
389 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
|
390 |
else
|
|
391 |
dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
|
|
392 |
dnl here, because this doesn't fit in flags passed to the
|
|
393 |
dnl compiler. So give up. No hardcoding. This affects only
|
|
394 |
dnl very old systems.
|
|
395 |
dnl FIXME: Not sure whether we should use
|
|
396 |
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
|
397 |
dnl here.
|
|
398 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
|
399 |
fi
|
|
400 |
fi
|
|
401 |
fi
|
|
402 |
fi
|
|
403 |
else
|
|
404 |
if test "X$found_a" != "X"; then |
|
405 |
dnl Linking with a static library.
|
|
406 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" |
|
407 |
else
|
|
408 |
dnl We shouldn't come here, but anyway it's good to have a
|
|
409 |
dnl fallback.
|
|
410 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" |
|
411 |
fi
|
|
412 |
fi
|
|
413 |
dnl Assume the include files are nearby.
|
|
414 |
additional_includedir=
|
|
415 |
case "$found_dir" in |
|
416 |
*/$acl_libdirstem | */$acl_libdirstem/)
|
|
417 |
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` |
|
418 |
LIB[]NAME[]_PREFIX="$basedir" |
|
419 |
additional_includedir="$basedir/include" |
|
420 |
;;
|
|
421 |
esac
|
|
422 |
if test "X$additional_includedir" != "X"; then |
|
423 |
dnl Potentially add $additional_includedir to $INCNAME.
|
|
424 |
dnl But don't add it
|
|
425 |
dnl 1. if it's the standard /usr/include,
|
|
426 |
dnl 2. if it's /usr/local/include and we are using GCC on Linux,
|
|
427 |
dnl 3. if it's already present in $CPPFLAGS or the already
|
|
428 |
dnl constructed $INCNAME,
|
|
429 |
dnl 4. if it doesn't exist as a directory.
|
|
430 |
if test "X$additional_includedir" != "X/usr/include"; then |
|
431 |
haveit=
|
|
432 |
if test "X$additional_includedir" = "X/usr/local/include"; then |
|
433 |
if test -n "$GCC"; then |
|
434 |
case $host_os in
|
|
435 |
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
|
|
436 |
esac
|
|
437 |
fi
|
|
438 |
fi
|
|
439 |
if test -z "$haveit"; then |
|
440 |
for x in $CPPFLAGS $INC[]NAME; do
|
|
441 |
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
442 |
if test "X$x" = "X-I$additional_includedir"; then |
|
443 |
haveit=yes
|
|
444 |
break
|
|
445 |
fi
|
|
446 |
done
|
|
447 |
if test -z "$haveit"; then |
|
448 |
if test -d "$additional_includedir"; then |
|
449 |
dnl Really add $additional_includedir to $INCNAME.
|
|
450 |
INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" |
|
451 |
fi
|
|
452 |
fi
|
|
453 |
fi
|
|
454 |
fi
|
|
455 |
fi
|
|
456 |
dnl Look for dependencies.
|
|
457 |
if test -n "$found_la"; then |
|
458 |
dnl Read the .la file. It defines the variables
|
|
459 |
dnl dlname, library_names, old_library, dependency_libs, current,
|
|
460 |
dnl age, revision, installed, dlopen, dlpreopen, libdir.
|
|
461 |
save_libdir="$libdir" |
|
462 |
case "$found_la" in |
|
463 |
*/* | *\\*) . "$found_la" ;; |
|
464 |
*) . "./$found_la" ;; |
|
465 |
esac
|
|
466 |
libdir="$save_libdir" |
|
467 |
dnl We use only dependency_libs.
|
|
468 |
for dep in $dependency_libs; do
|
|
469 |
case "$dep" in |
|
470 |
-L*)
|
|
471 |
additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` |
|
472 |
dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
|
|
473 |
dnl But don't add it
|
|
474 |
dnl 1. if it's the standard /usr/lib,
|
|
475 |
dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
|
|
476 |
dnl 3. if it's already present in $LDFLAGS or the already
|
|
477 |
dnl constructed $LIBNAME,
|
|
478 |
dnl 4. if it doesn't exist as a directory.
|
|
479 |
if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then |
|
480 |
haveit=
|
|
481 |
if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then |
|
482 |
if test -n "$GCC"; then |
|
483 |
case $host_os in
|
|
484 |
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
|
|
485 |
esac
|
|
486 |
fi
|
|
487 |
fi
|
|
488 |
if test -z "$haveit"; then |
|
489 |
haveit=
|
|
490 |
for x in $LDFLAGS $LIB[]NAME; do
|
|
491 |
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
492 |
if test "X$x" = "X-L$additional_libdir"; then |
|
493 |
haveit=yes
|
|
494 |
break
|
|
495 |
fi
|
|
496 |
done
|
|
497 |
if test -z "$haveit"; then |
|
498 |
if test -d "$additional_libdir"; then |
|
499 |
dnl Really add $additional_libdir to $LIBNAME.
|
|
500 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" |
|
501 |
fi
|
|
502 |
fi
|
|
503 |
haveit=
|
|
504 |
for x in $LDFLAGS $LTLIB[]NAME; do
|
|
505 |
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
506 |
if test "X$x" = "X-L$additional_libdir"; then |
|
507 |
haveit=yes
|
|
508 |
break
|
|
509 |
fi
|
|
510 |
done
|
|
511 |
if test -z "$haveit"; then |
|
512 |
if test -d "$additional_libdir"; then |
|
513 |
dnl Really add $additional_libdir to $LTLIBNAME.
|
|
514 |
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" |
|
515 |
fi
|
|
516 |
fi
|
|
517 |
fi
|
|
518 |
fi
|
|
519 |
;;
|
|
520 |
-R*)
|
|
521 |
dir=`echo "X$dep" | sed -e 's/^X-R//'` |
|
522 |
if test "$enable_rpath" != no; then |
|
523 |
dnl Potentially add DIR to rpathdirs.
|
|
524 |
dnl The rpathdirs will be appended to $LIBNAME at the end.
|
|
525 |
haveit=
|
|
526 |
for x in $rpathdirs; do
|
|
527 |
if test "X$x" = "X$dir"; then |
|
528 |
haveit=yes
|
|
529 |
break
|
|
530 |
fi
|
|
531 |
done
|
|
532 |
if test -z "$haveit"; then |
|
533 |
rpathdirs="$rpathdirs $dir" |
|
534 |
fi
|
|
535 |
dnl Potentially add DIR to ltrpathdirs.
|
|
536 |
dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
|
|
537 |
haveit=
|
|
538 |
for x in $ltrpathdirs; do
|
|
539 |
if test "X$x" = "X$dir"; then |
|
540 |
haveit=yes
|
|
541 |
break
|
|
542 |
fi
|
|
543 |
done
|
|
544 |
if test -z "$haveit"; then |
|
545 |
ltrpathdirs="$ltrpathdirs $dir" |
|
546 |
fi
|
|
547 |
fi
|
|
548 |
;;
|
|
549 |
-l*)
|
|
550 |
dnl Handle this in the next round.
|
|
551 |
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` |
|
552 |
;;
|
|
553 |
*.la)
|
|
554 |
dnl Handle this in the next round. Throw away the .la's
|
|
555 |
dnl directory; it is already contained in a preceding -L
|
|
556 |
dnl option.
|
|
557 |
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` |
|
558 |
;;
|
|
559 |
*)
|
|
560 |
dnl Most likely an immediate library name.
|
|
561 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" |
|
562 |
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" |
|
563 |
;;
|
|
564 |
esac
|
|
565 |
done
|
|
566 |
fi
|
|
567 |
else
|
|
568 |
dnl Didn't find the library; assume it is in the system directories
|
|
569 |
dnl known to the linker and runtime loader. (All the system
|
|
570 |
dnl directories known to the linker should also be known to the
|
|
571 |
dnl runtime loader, otherwise the system is severely misconfigured.)
|
|
572 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
|
573 |
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" |
|
574 |
fi
|
|
575 |
fi
|
|
576 |
fi
|
|
577 |
done
|
|
578 |
done
|
|
579 |
if test "X$rpathdirs" != "X"; then |
|
580 |
if test -n "$acl_hardcode_libdir_separator"; then |
|
581 |
dnl Weird platform: only the last -rpath option counts, the user must
|
|
582 |
dnl pass all path elements in one option. We can arrange that for a
|
|
583 |
dnl single library, but not when more than one $LIBNAMEs are used.
|
|
584 |
alldirs=
|
|
585 |
for found_dir in $rpathdirs; do
|
|
586 |
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" |
|
587 |
done
|
|
588 |
dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
|
|
589 |
acl_save_libdir="$libdir" |
|
590 |
libdir="$alldirs" |
|
591 |
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|
592 |
libdir="$acl_save_libdir" |
|
593 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
|
594 |
else
|
|
595 |
dnl The -rpath options are cumulative.
|
|
596 |
for found_dir in $rpathdirs; do
|
|
597 |
acl_save_libdir="$libdir" |
|
598 |
libdir="$found_dir" |
|
599 |
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|
600 |
libdir="$acl_save_libdir" |
|
601 |
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
|
602 |
done
|
|
603 |
fi
|
|
604 |
fi
|
|
605 |
if test "X$ltrpathdirs" != "X"; then |
|
606 |
dnl When using libtool, the option that works for both libraries and
|
|
607 |
dnl executables is -R. The -R options are cumulative.
|
|
608 |
for found_dir in $ltrpathdirs; do
|
|
609 |
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" |
|
610 |
done
|
|
611 |
fi
|
|
612 |
])
|
|
613 |
||
614 |
dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
|
|
615 |
dnl unless already present in VAR.
|
|
616 |
dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
|
|
617 |
dnl contains two or three consecutive elements that belong together.
|
|
618 |
AC_DEFUN([AC_LIB_APPENDTOVAR],
|
|
619 |
[
|
|
620 |
for element in [$2]; do
|
|
621 |
haveit=
|
|
622 |
for x in $[$1]; do
|
|
623 |
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
624 |
if test "X$x" = "X$element"; then |
|
625 |
haveit=yes
|
|
626 |
break
|
|
627 |
fi
|
|
628 |
done
|
|
629 |
if test -z "$haveit"; then |
|
630 |
[$1]="${[$1]}${[$1]:+ }$element" |
|
631 |
fi
|
|
632 |
done
|
|
633 |
])
|
|
634 |
||
635 |
dnl For those cases where a variable contains several -L and -l options
|
|
636 |
dnl referring to unknown libraries and directories, this macro determines the
|
|
637 |
dnl necessary additional linker options for the runtime path.
|
|
638 |
dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL])
|
|
639 |
dnl sets LDADDVAR to linker options needed together with LIBSVALUE.
|
|
640 |
dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed,
|
|
641 |
dnl otherwise linking without libtool is assumed.
|
|
642 |
AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS],
|
|
643 |
[
|
|
644 |
AC_REQUIRE([AC_LIB_RPATH])
|
|
645 |
AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
|
|
646 |
$1=
|
|
647 |
if test "$enable_rpath" != no; then |
|
648 |
if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then |
|
649 |
dnl Use an explicit option to hardcode directories into the resulting
|
|
650 |
dnl binary.
|
|
651 |
rpathdirs=
|
|
652 |
next=
|
|
653 |
for opt in $2; do
|
|
654 |
if test -n "$next"; then |
|
655 |
dir="$next" |
|
656 |
dnl No need to hardcode the standard /usr/lib.
|
|
657 |
if test "X$dir" != "X/usr/$acl_libdirstem"; then |
|
658 |
rpathdirs="$rpathdirs $dir" |
|
659 |
fi
|
|
660 |
next=
|
|
661 |
else
|
|
662 |
case $opt in
|
|
663 |
-L) next=yes ;;
|
|
664 |
-L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` |
|
665 |
dnl No need to hardcode the standard /usr/lib.
|
|
666 |
if test "X$dir" != "X/usr/$acl_libdirstem"; then |
|
667 |
rpathdirs="$rpathdirs $dir" |
|
668 |
fi
|
|
669 |
next= ;;
|
|
670 |
*) next= ;;
|
|
671 |
esac
|
|
672 |
fi
|
|
673 |
done
|
|
674 |
if test "X$rpathdirs" != "X"; then |
|
675 |
if test -n ""$3""; then
|
|
676 |
dnl libtool is used for linking. Use -R options.
|
|
677 |
for dir in $rpathdirs; do
|
|
678 |
$1="${$1}${$1:+ }-R$dir" |
|
679 |
done
|
|
680 |
else
|
|
681 |
dnl The linker is used for linking directly.
|
|
682 |
if test -n "$acl_hardcode_libdir_separator"; then |
|
683 |
dnl Weird platform: only the last -rpath option counts, the user
|
|
684 |
dnl must pass all path elements in one option.
|
|
685 |
alldirs=
|
|
686 |
for dir in $rpathdirs; do
|
|
687 |
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" |
|
688 |
done
|
|
689 |
acl_save_libdir="$libdir" |
|
690 |
libdir="$alldirs" |
|
691 |
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|
692 |
libdir="$acl_save_libdir" |
|
693 |
$1="$flag" |
|
694 |
else
|
|
695 |
dnl The -rpath options are cumulative.
|
|
696 |
for dir in $rpathdirs; do
|
|
697 |
acl_save_libdir="$libdir" |
|
698 |
libdir="$dir" |
|
699 |
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|
700 |
libdir="$acl_save_libdir" |
|
701 |
$1="${$1}${$1:+ }$flag" |
|
702 |
done |
|
703 |
fi |
|
704 |
fi |
|
705 |
fi |
|
706 |
fi |
|
707 |
fi |
|
708 |
AC_SUBST([$1]) |
|
709 |
]) |