1214571Sdimdnl Copyright (C) 2007 Free Software Foundation, Inc. 2214571Sdimdnl This file is free software, distributed under the terms of the GNU 3214571Sdimdnl General Public License. As a special exception to the GNU General 4214571Sdimdnl Public License, this file may be distributed as part of a program 5214571Sdimdnl that contains a configuration script generated by Autoconf, under 6214571Sdimdnl the same distribution terms as the rest of that program. 7214571Sdim 8214571Sdimdnl Set SYMBOLIC_LDFLAGS to -Bsymbolic-functions for GNU linker if it 9214571Sdimdnl is supported. 10214571SdimAC_DEFUN([ACX_PROG_LD_GNU_SYMBOLIC], 11214571Sdim[AC_CACHE_CHECK([if the GNU linker ($LD) supports -Bsymbolic-functions], 12214571Sdimacl_cv_prog_gnu_ld_symbolic, [ 13214571Sdimacl_cv_prog_gnu_ld_symbolic=no 14214571SdimAC_REQUIRE([AC_LIB_PROG_LD_GNU]) 15214571Sdimif test x"$with_gnu_ld" = x"yes"; then 16214571Sdim if $LD --help 2>&1 </dev/null | grep Bsymbolic-functions 1>&5; then 17214571Sdim acl_cv_prog_gnu_ld_symbolic=yes 18214571Sdim fi 19214571Sdimfi]) 20214571Sdimif test x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then 21214571Sdim SYMBOLIC_LDFLAGS="-Wl,-Bsymbolic-functions" 22214571Sdimelse 23214571Sdim SYMBOLIC_LDFLAGS='' 24214571Sdimfi 25214571Sdim]) 26214571Sdim 27214571Sdimdnl Set DYNAMIC_LIST_CPP_NEW_LDFLAGS to --dynamic-list-cpp-new for GNU 28214571Sdimdnl linker if it is supported. 29214571SdimAC_DEFUN([ACX_PROG_LD_GNU_DYNAMIC_LIST_CPP_NEW], 30214571Sdim[AC_CACHE_CHECK([if the GNU linker ($LD) supports --dynamic-list-cpp-new], 31214571Sdimacl_cv_prog_gnu_ld_dynamic_list_cpp_new, [ 32214571Sdimacl_cv_prog_gnu_ld_dynamic_list_cpp_new=no 33214571SdimAC_REQUIRE([ACX_PROG_LD_GNU_SYMBOLIC]) 34214571Sdimif test x"$with_gnu_ld" = x"yes" -a \ 35214571Sdim x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then 36214571Sdim if $LD --help 2>&1 </dev/null | grep dynamic-list-cpp-new 1>&5; then 37214571Sdim acl_cv_prog_gnu_ld_dynamic_list_cpp_new=yes 38214571Sdim fi 39214571Sdimfi]) 40214571Sdimif test x"$acl_cv_prog_gnu_ld_dynamic_list_cpp_new" = x"yes"; then 41214571Sdim DYNAMIC_LIST_CPP_NEW_LDFLAGS="$SYMBOLIC_LDFLAGS -Wl,--dynamic-list-cpp-new" 42214571Sdimelse 43214571Sdim DYNAMIC_LIST_CPP_NEW_LDFLAGS='' 44214571Sdimfi 45214571Sdim]) 46