Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-link.m4 |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-link.m4 (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-link.m4 (revision 0) |
@@ -0,0 +1,754 @@ |
+# lib-link.m4 serial 16 (gettext-0.18) |
+dnl Copyright (C) 2001-2008 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(2.54) |
+ |
+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]) |
+ 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 |
+ popdef([NAME]) |
+ popdef([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${NAME} to empty. |
+dnl Sets and AC_SUBSTs the LIB${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]) |
+ 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. |
+ 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= |
+ LIB[]NAME[]_PREFIX= |
+ fi |
+ AC_SUBST([HAVE_LIB]NAME) |
+ AC_SUBST([LIB]NAME) |
+ AC_SUBST([LTLIB]NAME) |
+ AC_SUBST([LIB]NAME[_PREFIX]) |
+ popdef([NAME]) |
+ popdef([Name]) |
+]) |
+ |
+dnl Determine the platform dependent parameters needed to use rpath: |
+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. |
+ 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" |
+ 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, |
+ [ --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], |
+[ |
+ 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=\"$libdir\" |
+ ]) |
+ AC_ARG_WITH(P_A_C_K[-prefix], |
+[[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib |
+ --without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], |
+[ |
+ if test "X$withval" = "Xno"; then |
+ use_additional=no |
+ 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" |
+ if test "$acl_libdirstem2" != "$acl_libdirstem" \ |
+ && ! test -d "$withval/$acl_libdirstem"; then |
+ additional_libdir="$withval/$acl_libdirstem2" |
+ fi |
+ 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= |
+ LIB[]NAME[]_PREFIX= |
+ 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= |
+ 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 $use_additional = yes; then |
+ dir="$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 $LTLIB[]NAME; do |
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
+ case "$x" in |
+ -L*) |
+ dir=`echo "X$x" | sed -e 's/^X-L//'` |
+ 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/$libname.la" |
+ fi |
+ fi |
+ ;; |
+ esac |
+ if test "X$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/$acl_libdirstem" \ |
+ || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then |
+ dnl No hardcoding is needed. |
+ LIB[]NAME="${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 $LIBNAME is system dependent. |
+ if test "$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:+ }$found_so" |
+ else |
+ if test -n "$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" |
+ 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 "$acl_hardcode_minus_L" != no; then |
+ dnl FIXME: Not sure whether we should use |
+ dnl "-L$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 $acl_hardcode_runpath_var and LD_RUN_PATH |
+ dnl here, because this doesn't fit in flags passed to the |
+ dnl compiler. So give up. No hardcoding. This affects only |
+ dnl very old systems. |
+ dnl FIXME: Not sure whether we should use |
+ dnl "-L$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,/$acl_libdirstem/"'*$,,'` |
+ LIB[]NAME[]_PREFIX="$basedir" |
+ additional_includedir="$basedir/include" |
+ ;; |
+ */$acl_libdirstem2 | */$acl_libdirstem2/) |
+ basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` |
+ LIB[]NAME[]_PREFIX="$basedir" |
+ 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/$acl_libdirstem" \ |
+ && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then |
+ haveit= |
+ if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ |
+ || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then |
+ if test -n "$GCC"; then |
+ case $host_os in |
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
+ esac |
+ fi |
+ fi |
+ if test -z "$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$rpathdirs" != "X"; then |
+ if test -n "$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}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" |
+ done |
+ dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. |
+ acl_save_libdir="$libdir" |
+ libdir="$alldirs" |
+ eval flag=\"$acl_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="$found_dir" |
+ eval flag=\"$acl_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 |
+ 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, |
+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 "$acl_hardcode_libdir_flag_spec" && test "$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]) |
+]) |