--- /dev/null
+From e3460918400e04cf24fda33ff0cf9d18a95840b8 Mon Sep 17 00:00:00 2001
+From: Roberto Bagnara <bagnara@cs.unipr.it>
+Date: Tue, 12 May 2009 15:49:10 +0200
+Subject: [PATCH] Updated from Gnulib.
+
+---
+ m4/lib-ld.m4 | 14 +-
+ m4/lib-link.m4 | 352 +++++++++++++++++++++++++++++++++++++++++++-----------
+ m4/lib-prefix.m4 | 81 ++++++++++++-
+ 3 files changed, 363 insertions(+), 84 deletions(-)
+
+diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4
+index 96c4e2c..e4863f2 100644
+--- a/m4/lib-ld.m4
++++ b/m4/lib-ld.m4
+@@ -1,5 +1,5 @@
+-# lib-ld.m4 serial 3 (gettext-0.13)
+-dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
++# lib-ld.m4 serial 4 (gettext-0.18)
++dnl Copyright (C) 1996-2003, 2009 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.
+@@ -10,7 +10,7 @@ dnl with libtool.m4.
+
+ dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+ AC_DEFUN([AC_LIB_PROG_LD_GNU],
+-[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
++[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
+ [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+ case `$LD -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+@@ -23,7 +23,7 @@ with_gnu_ld=$acl_cv_prog_gnu_ld
+
+ dnl From libtool-1.4. Sets the variable LD.
+ AC_DEFUN([AC_LIB_PROG_LD],
+-[AC_ARG_WITH(gnu-ld,
++[AC_ARG_WITH([gnu-ld],
+ [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
+ test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
+ AC_REQUIRE([AC_PROG_CC])dnl
+@@ -77,7 +77,7 @@ elif test "$with_gnu_ld" = yes; then
+ else
+ AC_MSG_CHECKING([for non-GNU ld])
+ fi
+-AC_CACHE_VAL(acl_cv_path_LD,
++AC_CACHE_VAL([acl_cv_path_LD],
+ [if test -z "$LD"; then
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+ for ac_dir in $PATH; do
+@@ -101,9 +101,9 @@ else
+ fi])
+ LD="$acl_cv_path_LD"
+ if test -n "$LD"; then
+- AC_MSG_RESULT($LD)
++ AC_MSG_RESULT([$LD])
+ else
+- AC_MSG_RESULT(no)
++ AC_MSG_RESULT([no])
+ fi
+ test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+ AC_LIB_PROG_LD_GNU
+diff --git a/m4/lib-link.m4 b/m4/lib-link.m4
+index ea0b0c4..2144203 100644
+--- a/m4/lib-link.m4
++++ b/m4/lib-link.m4
+@@ -1,58 +1,66 @@
+-# lib-link.m4 serial 6 (gettext-0.14.3)
+-dnl Copyright (C) 2001-2005 Free Software Foundation, Inc.
++# lib-link.m4 serial 19 (gettext-0.18)
++dnl Copyright (C) 2001-2009 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)
++AC_PREREQ([2.54])
+
+ 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 augments the CPPFLAGS variable.
++dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
++dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
+ AC_DEFUN([AC_LIB_LINKFLAGS],
+ [
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ AC_REQUIRE([AC_LIB_RPATH])
+- define([Name],[translit([$1],[./-], [___])])
+- define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+- [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ pushdef([Name],[translit([$1],[./-], [___])])
++ pushdef([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
++ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+ AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
+ AC_LIB_LINKFLAGS_BODY([$1], [$2])
+ ac_cv_lib[]Name[]_libs="$LIB[]NAME"
+ ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
+ ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
++ ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
+ ])
+ LIB[]NAME="$ac_cv_lib[]Name[]_libs"
+ LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
+ INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
++ LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
+ AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+ AC_SUBST([LIB]NAME)
+ AC_SUBST([LTLIB]NAME)
++ AC_SUBST([LIB]NAME[_PREFIX])
+ dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
+ dnl results of this search when this library appears as a dependency.
+ HAVE_LIB[]NAME=yes
+- undefine([Name])
+- undefine([NAME])
++ popdef([NAME])
++ popdef([Name])
+ ])
+
+-dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
++dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message])
+ dnl searches for libname and the libraries corresponding to explicit and
+ dnl implicit dependencies, together with the specified include files and
+-dnl the ability to compile and link the specified testcode. If found, it
+-dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
+-dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
++dnl the ability to compile and link the specified testcode. The missing-message
++dnl defaults to 'no' and may contain additional hints for the user.
++dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME}
++dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and
+ dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
+ dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
++dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
++dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
+ AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
+ [
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+ AC_REQUIRE([AC_LIB_RPATH])
+- define([Name],[translit([$1],[./-], [___])])
+- define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+- [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ pushdef([Name],[translit([$1],[./-], [___])])
++ pushdef([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
++ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+
+ dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
+ dnl accordingly.
+@@ -67,12 +75,14 @@ AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
+ AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
+ ac_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIB[]NAME"
+- AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
++ AC_TRY_LINK([$3], [$4],
++ [ac_cv_lib[]Name=yes],
++ [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
+ LIBS="$ac_save_LIBS"
+ ])
+ if test "$ac_cv_lib[]Name" = yes; then
+ HAVE_LIB[]NAME=yes
+- AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
++ AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib[]$1 library.])
+ AC_MSG_CHECKING([how to link with lib[]$1])
+ AC_MSG_RESULT([$LIB[]NAME])
+ else
+@@ -82,17 +92,23 @@ AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LIB[]NAME=
+ LTLIB[]NAME=
++ LIB[]NAME[]_PREFIX=
+ fi
+ AC_SUBST([HAVE_LIB]NAME)
+ AC_SUBST([LIB]NAME)
+ AC_SUBST([LTLIB]NAME)
+- undefine([Name])
+- undefine([NAME])
++ AC_SUBST([LIB]NAME[_PREFIX])
++ popdef([NAME])
++ popdef([Name])
+ ])
+
+ 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 acl_libext,
++dnl acl_shlibext,
++dnl acl_hardcode_libdir_flag_spec,
++dnl acl_hardcode_libdir_separator,
++dnl acl_hardcode_direct,
++dnl acl_hardcode_minus_L.
+ AC_DEFUN([AC_LIB_RPATH],
+ [
+ dnl Tell automake >= 1.10 to complain if config.rpath is missing.
+@@ -101,7 +117,7 @@ AC_DEFUN([AC_LIB_RPATH],
+ AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
+ AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
+- AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
++ AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [
+ CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
+ ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
+ . ./conftest.sh
+@@ -109,34 +125,66 @@ AC_DEFUN([AC_LIB_RPATH],
+ acl_cv_rpath=done
+ ])
+ wl="$acl_cv_wl"
+- libext="$acl_cv_libext"
+- shlibext="$acl_cv_shlibext"
+- hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
+- hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
+- hardcode_direct="$acl_cv_hardcode_direct"
+- hardcode_minus_L="$acl_cv_hardcode_minus_L"
++ acl_libext="$acl_cv_libext"
++ acl_shlibext="$acl_cv_shlibext"
++ acl_libname_spec="$acl_cv_libname_spec"
++ acl_library_names_spec="$acl_cv_library_names_spec"
++ acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
++ acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
++ acl_hardcode_direct="$acl_cv_hardcode_direct"
++ acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
+ dnl Determine whether the user wants rpath handling at all.
+- AC_ARG_ENABLE(rpath,
++ AC_ARG_ENABLE([rpath],
+ [ --disable-rpath do not hardcode runtime library paths],
+ :, enable_rpath=yes)
+ ])
+
++dnl AC_LIB_FROMPACKAGE(name, package)
++dnl declares that libname comes from the given package. The configure file
++dnl will then not have a --with-libname-prefix option but a
++dnl --with-package-prefix option. Several libraries can come from the same
++dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar
++dnl macro call that searches for libname.
++AC_DEFUN([AC_LIB_FROMPACKAGE],
++[
++ pushdef([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
++ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ define([acl_frompackage_]NAME, [$2])
++ popdef([NAME])
++ pushdef([PACK],[$2])
++ pushdef([PACKUP],[translit(PACK,[abcdefghijklmnopqrstuvwxyz./-],
++ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ define([acl_libsinpackage_]PACKUP,
++ m4_ifdef([acl_libsinpackage_]PACKUP, [acl_libsinpackage_]PACKUP[[, ]],)[lib$1])
++ popdef([PACKUP])
++ popdef([PACK])
++])
++
+ dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
+ dnl the libraries corresponding to explicit and implicit dependencies.
+ dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
++dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found
++dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
+ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ [
+- define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+- [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
++ pushdef([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
++ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
++ pushdef([PACKUP],[translit(PACK,[abcdefghijklmnopqrstuvwxyz./-],
++ [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
++ pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])])
++ dnl Autoconf >= 2.61 supports dots in --with options.
++ pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[translit(PACK,[.],[_])],PACK)])
+ dnl By default, look in $includedir and $libdir.
+ use_additional=yes
+ AC_LIB_WITH_FINAL_PREFIX([
+ eval additional_includedir=\"$includedir\"
+ eval additional_libdir=\"$libdir\"
+ ])
+- 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$1 in includedir and libdir],
++ AC_ARG_WITH(P_A_C_K[-prefix],
++[[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib
++ --without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]],
+ [
+ if test "X$withval" = "Xno"; then
+ use_additional=no
+@@ -148,7 +196,11 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ ])
+ else
+ additional_includedir="$withval/include"
+- additional_libdir="$withval/lib"
++ additional_libdir="$withval/$acl_libdirstem"
++ if test "$acl_libdirstem2" != "$acl_libdirstem" \
++ && ! test -d "$withval/$acl_libdirstem"; then
++ additional_libdir="$withval/$acl_libdirstem2"
++ fi
+ fi
+ fi
+ ])
+@@ -157,6 +209,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ LIB[]NAME=
+ LTLIB[]NAME=
+ INC[]NAME=
++ LIB[]NAME[]_PREFIX=
+ rpathdirs=
+ ltrpathdirs=
+ names_already_handled=
+@@ -196,22 +249,55 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ found_la=
+ found_so=
+ found_a=
++ eval libname=\"$acl_libname_spec\" # typically: libname=lib$name
++ if test -n "$acl_shlibext"; then
++ shrext=".$acl_shlibext" # typically: shrext=.so
++ else
++ shrext=
++ fi
+ if test $use_additional = yes; then
+- if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
+- found_dir="$additional_libdir"
+- found_so="$additional_libdir/lib$name.$shlibext"
+- if test -f "$additional_libdir/lib$name.la"; then
+- found_la="$additional_libdir/lib$name.la"
+- fi
+- else
+- if test -f "$additional_libdir/lib$name.$libext"; then
+- found_dir="$additional_libdir"
+- found_a="$additional_libdir/lib$name.$libext"
+- if test -f "$additional_libdir/lib$name.la"; then
+- found_la="$additional_libdir/lib$name.la"
++ dir="$additional_libdir"
++ dnl The same code as in the loop below:
++ dnl First look for a shared library.
++ if test -n "$acl_shlibext"; then
++ if test -f "$dir/$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"; 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/$f"; then
++ found_dir="$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"; 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/$libname.la"
++ fi
++ fi
+ fi
+ if test "X$found_dir" = "X"; then
+ for x in $LDFLAGS $LTLIB[]NAME; do
+@@ -219,21 +305,46 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ case "$x" in
+ -L*)
+ dir=`echo "X$x" | sed -e 's/^X-L//'`
+- if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
+- found_dir="$dir"
+- found_so="$dir/lib$name.$shlibext"
+- if test -f "$dir/lib$name.la"; then
+- found_la="$dir/lib$name.la"
+- fi
+- else
+- if test -f "$dir/lib$name.$libext"; then
++ dnl First look for a shared library.
++ if test -n "$acl_shlibext"; then
++ if test -f "$dir/$libname$shrext"; then
+ found_dir="$dir"
+- found_a="$dir/lib$name.$libext"
+- if test -f "$dir/lib$name.la"; then
+- found_la="$dir/lib$name.la"
++ 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"; 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/$f"; then
++ found_dir="$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"; 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
+@@ -248,7 +359,9 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ 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/lib"; then
++ if test "$enable_rpath" = no \
++ || test "X$found_dir" = "X/usr/$acl_libdirstem" \
++ || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then
+ dnl No hardcoding is needed.
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+ else
+@@ -267,12 +380,12 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ ltrpathdirs="$ltrpathdirs $found_dir"
+ fi
+ dnl The hardcoding into $LIBNAME is system dependent.
+- if test "$hardcode_direct" = yes; then
++ 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 "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
++ 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:+ }$found_so"
+@@ -303,13 +416,13 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ if test -z "$haveit"; then
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
+ fi
+- if test "$hardcode_minus_L" != no; then
++ 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 $hardcode_runpath_var and LD_RUN_PATH
++ dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
+ dnl here, because this doesn't fit in flags passed to the
+ dnl compiler. So give up. No hardcoding. This affects only
+ dnl very old systems.
+@@ -334,8 +447,18 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ dnl Assume the include files are nearby.
+ additional_includedir=
+ case "$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/"'*$,,'`
++ if test "$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"
+ ;;
+ esac
+@@ -396,9 +519,11 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ 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" \
++ && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then
+ haveit=
+- if test "X$additional_libdir" = "X/usr/local/lib"; then
++ if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \
++ || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then
+ if test -n "$GCC"; then
+ case $host_os in
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;;
+@@ -497,18 +622,18 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ done
+ done
+ if test "X$rpathdirs" != "X"; then
+- if test -n "$hardcode_libdir_separator"; then
++ if test -n "$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}${alldirs:+$hardcode_libdir_separator}$found_dir"
++ alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
+ done
+- dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
++ dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
+ acl_save_libdir="$libdir"
+ libdir="$alldirs"
+- eval flag=\"$hardcode_libdir_flag_spec\"
++ eval flag=\"$acl_hardcode_libdir_flag_spec\"
+ libdir="$acl_save_libdir"
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+ else
+@@ -516,7 +641,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ for found_dir in $rpathdirs; do
+ acl_save_libdir="$libdir"
+ libdir="$found_dir"
+- eval flag=\"$hardcode_libdir_flag_spec\"
++ eval flag=\"$acl_hardcode_libdir_flag_spec\"
+ libdir="$acl_save_libdir"
+ LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+ done
+@@ -529,6 +654,11 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+ LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
+ done
+ fi
++ popdef([P_A_C_K])
++ popdef([PACKLIBS])
++ popdef([PACKUP])
++ popdef([PACK])
++ popdef([NAME])
+ ])
+
+ dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
+@@ -551,3 +681,81 @@ AC_DEFUN([AC_LIB_APPENDTOVAR],
+ 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/$acl_libdirstem2"; then
++ rpathdirs="$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"; 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])
++])
+diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
+index 0d895ca..4b7ee33 100644
+--- a/m4/lib-prefix.m4
++++ b/m4/lib-prefix.m4
+@@ -1,5 +1,5 @@
+-# lib-prefix.m4 serial 4 (gettext-0.14.2)
+-dnl Copyright (C) 2001-2005 Free Software Foundation, Inc.
++# lib-prefix.m4 serial 7 (gettext-0.18)
++dnl Copyright (C) 2001-2005, 2008-2009 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.
+@@ -24,6 +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 $libdir.
+ use_additional=yes
+@@ -45,7 +46,7 @@ AC_DEFUN([AC_LIB_PREFIX],
+ ])
+ else
+ additional_includedir="$withval/include"
+- additional_libdir="$withval/lib"
++ additional_libdir="$withval/$acl_libdirstem"
+ fi
+ fi
+ ])
+@@ -87,7 +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\"])
+@@ -97,7 +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 $host_os in
+ linux*) haveit=yes;;
+@@ -151,3 +152,73 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+ ])
++
++dnl AC_LIB_PREPARE_MULTILIB creates
++dnl - a variable acl_libdirstem, containing the basename of the libdir, either
++dnl "lib" or "lib64" or "lib/64",
++dnl - a variable acl_libdirstem2, as a secondary possible value for
++dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or
++dnl "lib/amd64".
++AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
++[
++ dnl There is no formal standard regarding lib and lib64.
++ dnl On glibc systems, the current practice is that on a system supporting
++ dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
++ dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine
++ dnl the compiler's default mode by looking at the compiler's library search
++ dnl path. If at least one of its elements ends in /lib64 or points to a
++ dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI.
++ dnl Otherwise we use the default, namely "lib".
++ dnl On Solaris systems, the current practice is that on a system supporting
++ dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
++ dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
++ dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
++ AC_REQUIRE([AC_CANONICAL_HOST])
++ acl_libdirstem=lib
++ acl_libdirstem2=
++ case "$host_os" in
++ solaris*)
++ dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
++ dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>.
++ dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
++ dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
++ dnl symlink is missing, so we set acl_libdirstem2 too.
++ AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit],
++ [AC_EGREP_CPP([sixtyfour bits], [
++#ifdef _LP64
++sixtyfour bits
++#endif
++ ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no])
++ ])
++ if test $gl_cv_solaris_64bit = yes; then
++ acl_libdirstem=lib/64
++ case "$host_cpu" in
++ sparc*) acl_libdirstem2=lib/sparcv9 ;;
++ i*86 | x86_64) acl_libdirstem2=lib/amd64 ;;
++ esac
++ fi
++ ;;
++ *)
++ 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 "$searchdir" in
++ */lib64/ | */lib64 ) acl_libdirstem=lib64 ;;
++ */../ | */.. )
++ # Better ignore directories of this form. They are misleading.
++ ;;
++ *) searchdir=`cd "$searchdir" && pwd`
++ case "$searchdir" in
++ */lib64 ) acl_libdirstem=lib64 ;;
++ esac ;;
++ esac
++ fi
++ done
++ IFS="$acl_save_IFS"
++ fi
++ ;;
++ esac
++ test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
++])
+--
+1.6.0.6
+
projects / ipfire-3.x.git / commitdiff
