mirror of https://github.com/yasm/yasm.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
644 lines
26 KiB
644 lines
26 KiB
# lib-link.m4 serial 9 (gettext-0.16) |
|
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 augments the CPPFLAGS variable. |
|
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___])]) |
|
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" |
|
]) |
|
LIB[]NAME="$ac_cv_lib[]Name[]_libs" |
|
LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs" |
|
INC[]NAME="$ac_cv_lib[]Name[]_cppflags" |
|
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) |
|
AC_SUBST([LIB]NAME) |
|
AC_SUBST([LTLIB]NAME) |
|
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]) |
|
]) |
|
|
|
dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode) |
|
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${NAME} variables and augments the CPPFLAGS variable, and |
|
dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs |
|
dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty. |
|
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___])]) |
|
|
|
dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME |
|
dnl accordingly. |
|
AC_LIB_LINKFLAGS_BODY([$1], [$2]) |
|
|
|
dnl Add $INC[]NAME to CPPFLAGS before performing the following checks, |
|
dnl because if the user has installed lib[]Name and not disabled its use |
|
dnl via --without-lib[]Name-prefix, he wants to use it. |
|
ac_save_CPPFLAGS="$CPPFLAGS" |
|
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) |
|
|
|
AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [ |
|
ac_save_LIBS="$LIBS" |
|
LIBS="$LIBS $LIB[]NAME" |
|
AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no]) |
|
LIBS="$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_MSG_CHECKING([how to link with lib[]$1]) |
|
AC_MSG_RESULT([$LIB[]NAME]) |
|
else |
|
HAVE_LIB[]NAME=no |
|
dnl If $LIB[]NAME didn't lead to a usable library, we don't need |
|
dnl $INC[]NAME either. |
|
CPPFLAGS="$ac_save_CPPFLAGS" |
|
LIB[]NAME= |
|
LTLIB[]NAME= |
|
fi |
|
AC_SUBST([HAVE_LIB]NAME) |
|
AC_SUBST([LIB]NAME) |
|
AC_SUBST([LTLIB]NAME) |
|
undefine([Name]) |
|
undefine([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. |
|
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 |
|
AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir |
|
AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [ |
|
CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ |
|
${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh |
|
. ./conftest.sh |
|
rm -f ./conftest.sh |
|
acl_cv_rpath=done |
|
]) |
|
wl="$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" |
|
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 the libraries corresponding to explicit and implicit dependencies. |
|
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 $libdir. |
|
use_additional=yes |
|
AC_LIB_WITH_FINAL_PREFIX([ |
|
eval additional_includedir=\"$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$1 in includedir and libdir], |
|
[ |
|
if test "X$withval" = "Xno"; then |
|
use_additional=no |
|
else |
|
if test "X$withval" = "X"; then |
|
AC_LIB_WITH_FINAL_PREFIX([ |
|
eval additional_includedir=\"$includedir\" |
|
eval additional_libdir=\"$libdir\" |
|
]) |
|
else |
|
additional_includedir="$withval/include" |
|
additional_libdir="$withval/$acl_libdirstem" |
|
fi |
|
fi |
|
]) |
|
dnl Search the library and its dependencies in $additional_libdir and |
|
dnl $LDFLAGS. Using breadth-first-seach. |
|
LIB[]NAME= |
|
LTLIB[]NAME= |
|
INC[]NAME= |
|
rpathdirs= |
|
ltrpathdirs= |
|
names_already_handled= |
|
names_next_round='$1 $2' |
|
while test -n "$names_next_round"; do |
|
names_this_round="$names_next_round" |
|
names_next_round= |
|
for name in $names_this_round; do |
|
already_handled= |
|
for n in $names_already_handled; do |
|
if test "$n" = "$name"; then |
|
already_handled=yes |
|
break |
|
fi |
|
done |
|
if test -z "$already_handled"; then |
|
names_already_handled="$names_already_handled $name" |
|
dnl See if it was already located by an earlier AC_LIB_LINKFLAGS |
|
dnl or AC_LIB_HAVE_LINKFLAGS call. |
|
uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'` |
|
eval value=\"\$HAVE_LIB$uppername\" |
|
if test -n "$value"; then |
|
if test "$value" = yes; then |
|
eval value=\"\$LIB$uppername\" |
|
test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" |
|
eval value=\"\$LTLIB$uppername\" |
|
test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" |
|
else |
|
dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined |
|
dnl that this library doesn't exist. So just drop it. |
|
: |
|
fi |
|
else |
|
dnl Search the library lib$name in $additional_libdir and $LDFLAGS |
|
dnl and the already constructed $LIBNAME/$LTLIBNAME. |
|
found_dir= |
|
found_la= |
|
found_so= |
|
found_a= |
|
if test $use_additional = yes; then |
|
if test -n "$shlibext" \ |
|
&& { test -f "$additional_libdir/lib$name.$shlibext" \ |
|
|| { test "$shlibext" = dll \ |
|
&& test -f "$additional_libdir/lib$name.dll.a"; }; }; then |
|
found_dir="$additional_libdir" |
|
if test -f "$additional_libdir/lib$name.$shlibext"; then |
|
found_so="$additional_libdir/lib$name.$shlibext" |
|
else |
|
found_so="$additional_libdir/lib$name.dll.a" |
|
fi |
|
if test -f "$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" |
|
fi |
|
fi |
|
fi |
|
fi |
|
if test "X$found_dir" = "X"; then |
|
for x in $LDFLAGS $LTLIB[]NAME; do |
|
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
case "$x" in |
|
-L*) |
|
dir=`echo "X$x" | sed -e 's/^X-L//'` |
|
if test -n "$shlibext" \ |
|
&& { test -f "$dir/lib$name.$shlibext" \ |
|
|| { test "$shlibext" = dll \ |
|
&& test -f "$dir/lib$name.dll.a"; }; }; then |
|
found_dir="$dir" |
|
if test -f "$dir/lib$name.$shlibext"; then |
|
found_so="$dir/lib$name.$shlibext" |
|
else |
|
found_so="$dir/lib$name.dll.a" |
|
fi |
|
if test -f "$dir/lib$name.la"; then |
|
found_la="$dir/lib$name.la" |
|
fi |
|
else |
|
if test -f "$dir/lib$name.$libext"; then |
|
found_dir="$dir" |
|
found_a="$dir/lib$name.$libext" |
|
if test -f "$dir/lib$name.la"; then |
|
found_la="$dir/lib$name.la" |
|
fi |
|
fi |
|
fi |
|
;; |
|
esac |
|
if test "X$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/$acl_libdirstem"; then |
|
dnl No hardcoding is needed. |
|
LIB[]NAME="${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 $LIBNAME is system dependent. |
|
if test "$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 "$hardcode_minus_L" = no; then |
|
dnl Use an explicit option to hardcode DIR into the resulting |
|
dnl binary. |
|
LIB[]NAME="${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 "$hardcode_minus_L" != no; then |
|
dnl FIXME: Not sure whether we should use |
|
dnl "-L$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 $hardcode_runpath_var and LD_RUN_PATH |
|
dnl here, because this doesn't fit in flags passed to the |
|
dnl compiler. So give up. No hardcoding. This affects only |
|
dnl very old systems. |
|
dnl FIXME: Not sure whether we should use |
|
dnl "-L$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,/$acl_libdirstem/"'*$,,'` |
|
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*) |
|
additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` |
|
dnl Potentially add $additional_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 $LIBNAME, |
|
dnl 4. if it doesn't exist as a directory. |
|
if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then |
|
haveit= |
|
if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then |
|
if test -n "$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$x" = "X-L$additional_libdir"; then |
|
haveit=yes |
|
break |
|
fi |
|
done |
|
if test -z "$haveit"; then |
|
if test -d "$additional_libdir"; then |
|
dnl Really add $additional_libdir to $LIBNAME. |
|
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" |
|
fi |
|
fi |
|
haveit= |
|
for x in $LDFLAGS $LTLIB[]NAME; do |
|
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|
if test "X$x" = "X-L$additional_libdir"; then |
|
haveit=yes |
|
break |
|
fi |
|
done |
|
if test -z "$haveit"; then |
|
if test -d "$additional_libdir"; then |
|
dnl Really add $additional_libdir to $LTLIBNAME. |
|
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_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$rpathdirs" != "X"; then |
|
if test -n "$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" |
|
done |
|
dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl. |
|
acl_save_libdir="$libdir" |
|
libdir="$alldirs" |
|
eval flag=\"$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="$found_dir" |
|
eval flag=\"$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 |
|
]) |
|
|
|
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 "$hardcode_libdir_flag_spec" && test "$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]) |
|
])
|
|
|