dnl Copyright (C) 2007 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. dnl Set SYMBOLIC_LDFLAGS to -Bsymbolic-functions for GNU linker if it dnl is supported. AC_DEFUN([ACX_PROG_LD_GNU_SYMBOLIC], [AC_CACHE_CHECK([if the GNU linker ($LD) supports -Bsymbolic-functions], acl_cv_prog_gnu_ld_symbolic, [ acl_cv_prog_gnu_ld_symbolic=no AC_REQUIRE([AC_LIB_PROG_LD_GNU]) if test x"$with_gnu_ld" = x"yes"; then if $LD --help 2>&1 </dev/null | grep Bsymbolic-functions 1>&5; then acl_cv_prog_gnu_ld_symbolic=yes fi fi]) if test x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then SYMBOLIC_LDFLAGS="-Wl,-Bsymbolic-functions" else SYMBOLIC_LDFLAGS='' fi ]) dnl Set DYNAMIC_LIST_CPP_NEW_LDFLAGS to --dynamic-list-cpp-new for GNU dnl linker if it is supported. AC_DEFUN([ACX_PROG_LD_GNU_DYNAMIC_LIST_CPP_NEW], [AC_CACHE_CHECK([if the GNU linker ($LD) supports --dynamic-list-cpp-new], acl_cv_prog_gnu_ld_dynamic_list_cpp_new, [ acl_cv_prog_gnu_ld_dynamic_list_cpp_new=no AC_REQUIRE([ACX_PROG_LD_GNU_SYMBOLIC]) if test x"$with_gnu_ld" = x"yes" -a \ x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then if $LD --help 2>&1 </dev/null | grep dynamic-list-cpp-new 1>&5; then acl_cv_prog_gnu_ld_dynamic_list_cpp_new=yes fi fi]) if test x"$acl_cv_prog_gnu_ld_dynamic_list_cpp_new" = x"yes"; then DYNAMIC_LIST_CPP_NEW_LDFLAGS="$SYMBOLIC_LDFLAGS -Wl,--dynamic-list-cpp-new" else DYNAMIC_LIST_CPP_NEW_LDFLAGS='' fi ])