-# lib-link.m4 serial 2 (gettext-0.11.2)
-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-link.m4 serial 8 (gettext-0.15)
+dnl Copyright (C) 2001-2006 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.
+AC_PREREQ(2.50)
+
dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
dnl the libraries corresponding to explicit and implicit dependencies.
dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
dnl Determine the platform dependent parameters needed to use rpath:
dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
-dnl hardcode_direct, hardcode_minus_L,
-dnl sys_lib_search_path_spec, sys_lib_dlsearch_path_spec.
+dnl hardcode_direct, hardcode_minus_L.
AC_DEFUN([AC_LIB_RPATH],
[
+ dnl Tell automake >= 1.10 to complain if config.rpath is missing.
+ m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])])
AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
hardcode_direct="$acl_cv_hardcode_direct"
hardcode_minus_L="$acl_cv_hardcode_minus_L"
- sys_lib_search_path_spec="$acl_cv_sys_lib_search_path_spec"
- sys_lib_dlsearch_path_spec="$acl_cv_sys_lib_dlsearch_path_spec"
+ dnl Determine whether the user wants rpath handling at all.
+ AC_ARG_ENABLE(rpath,
+ [ --disable-rpath do not hardcode runtime library paths],
+ :, enable_rpath=yes)
])
dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
[
+ AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
dnl By default, look in $includedir and $libdir.
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
- AC_ARG_WITH([lib$1-prefix],
+ AC_LIB_ARG_WITH([lib$1-prefix],
[ --with-lib$1-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib
--without-lib$1-prefix don't search for lib$1 in includedir and libdir],
[
])
else
additional_includedir="$withval/include"
- additional_libdir="$withval/lib"
+ additional_libdir="$withval/$acl_libdirstem"
fi
fi
])
dnl Linking with a shared library. We attempt to hardcode its
dnl directory into the executable's runpath, unless it's the
dnl standard /usr/lib.
- if test "X$found_dir" = "X/usr/lib"; then
+ if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then
dnl No hardcoding is needed.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
else
dnl Assume the include files are nearby.
additional_includedir=
case "$found_dir" in
- */lib | */lib/)
- basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
+ */$acl_libdirstem | */$acl_libdirstem/)
+ basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
additional_includedir="$basedir/include"
;;
esac
if test "X$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
dnl 3. if it's already present in $LDFLAGS or the already
dnl constructed $LIBNAME,
dnl 4. if it doesn't exist as a directory.
- if test "X$additional_libdir" != "X/usr/lib"; then
+ if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
haveit=
- 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 $host_os in
- linux*) haveit=yes;;
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
;;
-R*)
dir=`echo "X$dep" | sed -e 's/^X-R//'`
- 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$dir"; then
- haveit=yes
- break
+ if test "$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 $dir"
fi
- done
- if test -z "$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
+ 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 $dir"
fi
- done
- if test -z "$haveit"; then
- ltrpathdirs="$ltrpathdirs $dir"
fi
;;
-l*)
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 "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
+ dnl Use an explicit option to hardcode directories into the resulting
+ dnl binary.
+ rpathdirs=
+ next=
+ for opt in $2; do
+ if test -n "$next"; then
+ dir="$next"
+ dnl No need to hardcode the standard /usr/lib.
+ if test "X$dir" != "X/usr/$acl_libdirstem"; then
+ rpathdirs="$rpathdirs $dir"
+ fi
+ next=
+ else
+ case $opt in
+ -L) next=yes ;;
+ -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
+ dnl No need to hardcode the standard /usr/lib.
+ if test "X$dir" != "X/usr/$acl_libdirstem"; then
+ rpathdirs="$rpathdirs $dir"
+ fi
+ next= ;;
+ *) next= ;;
+ esac
+ fi
+ done
+ if test "X$rpathdirs" != "X"; then
+ if test -n ""$3""; then
+ dnl libtool is used for linking. Use -R options.
+ for dir in $rpathdirs; do
+ $1="${$1}${$1:+ }-R$dir"
+ done
+ else
+ dnl The linker is used for linking directly.
+ if test -n "$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}${alldirs:+$hardcode_libdir_separator}$dir"
+ done
+ acl_save_libdir="$libdir"
+ libdir="$alldirs"
+ eval flag=\"$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="$dir"
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ libdir="$acl_save_libdir"
+ $1="${$1}${$1:+ }$flag"
+ done
+ fi
+ fi
+ fi
+ fi
+ fi
+ AC_SUBST([$1])
+])
projects / gnulib.git / blobdiff