diff options
Diffstat (limited to 'm4/lib-prefix.m4')
| -rw-r--r-- | m4/lib-prefix.m4 | 61 |
1 files changed, 49 insertions, 12 deletions
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 index b8b79ab9..a8684e17 100644 --- a/m4/lib-prefix.m4 +++ b/m4/lib-prefix.m4 @@ -1,13 +1,18 @@ -# lib-prefix.m4 serial 1 (gettext-0.11) -dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. +# lib-prefix.m4 serial 5 (gettext-0.15) +dnl Copyright (C) 2001-2005 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. dnl From Bruno Haible. +dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and +dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't +dnl require excessive bracketing. +ifdef([AC_HELP_STRING], +[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], +[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) + dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed dnl to access previously installed libraries. The basic assumption is that dnl a user will want packages to use other packages he previously installed @@ -19,6 +24,7 @@ AC_DEFUN([AC_LIB_PREFIX], AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) dnl By default, look in $includedir and $libdir. use_additional=yes @@ -26,7 +32,7 @@ AC_DEFUN([AC_LIB_PREFIX], eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" ]) - AC_ARG_WITH([lib-prefix], + AC_LIB_ARG_WITH([lib-prefix], [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib --without-lib-prefix don't search for libraries in includedir and libdir], [ @@ -40,7 +46,7 @@ AC_DEFUN([AC_LIB_PREFIX], ]) else additional_includedir="$withval/include" - additional_libdir="$withval/lib" + additional_libdir="$withval/$acl_libdirstem" fi fi ]) @@ -64,7 +70,7 @@ AC_DEFUN([AC_LIB_PREFIX], if test "X$additional_includedir" = "X/usr/local/include"; then if test -n "$GCC"; then case $host_os in - linux*) haveit=yes;; + linux* | gnu* | k*bsd*-gnu) haveit=yes;; esac fi fi @@ -82,7 +88,7 @@ AC_DEFUN([AC_LIB_PREFIX], dnl 2. if it's already present in $LDFLAGS, dnl 3. if it's /usr/local/lib and we are using GCC on Linux, dnl 4. if it doesn't exist as a directory. - if test "X$additional_libdir" != "X/usr/lib"; then + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then haveit= for x in $LDFLAGS; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) @@ -92,7 +98,7 @@ AC_DEFUN([AC_LIB_PREFIX], fi done if test -z "$haveit"; then - if test "X$additional_libdir" = "X/usr/local/lib"; then + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then if test -n "$GCC"; then case $host_os in linux*) haveit=yes;; @@ -146,3 +152,34 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], exec_prefix="$acl_save_exec_prefix" prefix="$acl_save_prefix" ]) + +dnl AC_LIB_PREPARE_MULTILIB creates a variable acl_libdirstem, containing +dnl the basename of the libdir, either "lib" or "lib64". +AC_DEFUN([AC_LIB_PREPARE_MULTILIB], +[ + dnl There is no formal standard regarding lib and lib64. The current + dnl practice is that on a system supporting 32-bit and 64-bit instruction + dnl sets or ABIs, 64-bit libraries go under $prefix/lib64 and 32-bit + dnl libraries go under $prefix/lib. We determine the compiler's default + dnl mode by looking at the compiler's library search path. If at least + dnl of its elements ends in /lib64 or points to a directory whose absolute + dnl pathname ends in /lib64, we assume a 64-bit ABI. Otherwise we use the + dnl default, namely "lib". + acl_libdirstem=lib + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi +]) |