45 lines
1.7 KiB
Text
45 lines
1.7 KiB
Text
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
|
|
])
|