| 1 |
26 |
khays |
dnl Copyright (C) 2007 Free Software Foundation, Inc.
|
| 2 |
|
|
dnl This file is free software, distributed under the terms of the GNU
|
| 3 |
|
|
dnl General Public License. As a special exception to the GNU General
|
| 4 |
|
|
dnl Public License, this file may be distributed as part of a program
|
| 5 |
|
|
dnl that contains a configuration script generated by Autoconf, under
|
| 6 |
|
|
dnl the same distribution terms as the rest of that program.
|
| 7 |
|
|
|
| 8 |
|
|
dnl Set SYMBOLIC_LDFLAGS to -Bsymbolic-functions for GNU linker if it
|
| 9 |
|
|
dnl is supported.
|
| 10 |
|
|
AC_DEFUN([ACX_PROG_LD_GNU_SYMBOLIC],
|
| 11 |
|
|
[AC_CACHE_CHECK([if the GNU linker ($LD) supports -Bsymbolic-functions],
|
| 12 |
|
|
acl_cv_prog_gnu_ld_symbolic, [
|
| 13 |
|
|
acl_cv_prog_gnu_ld_symbolic=no
|
| 14 |
|
|
AC_REQUIRE([AC_LIB_PROG_LD_GNU])
|
| 15 |
|
|
if test x"$with_gnu_ld" = x"yes"; then
|
| 16 |
|
|
if $LD --help 2>&1 </dev/null | grep Bsymbolic-functions 1>&5; then
|
| 17 |
|
|
acl_cv_prog_gnu_ld_symbolic=yes
|
| 18 |
|
|
fi
|
| 19 |
|
|
fi])
|
| 20 |
|
|
if test x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then
|
| 21 |
|
|
SYMBOLIC_LDFLAGS="-Wl,-Bsymbolic-functions"
|
| 22 |
|
|
else
|
| 23 |
|
|
SYMBOLIC_LDFLAGS=''
|
| 24 |
|
|
fi
|
| 25 |
|
|
])
|
| 26 |
|
|
|
| 27 |
|
|
dnl Set DYNAMIC_LIST_CPP_NEW_LDFLAGS to --dynamic-list-cpp-new for GNU
|
| 28 |
|
|
dnl linker if it is supported.
|
| 29 |
|
|
AC_DEFUN([ACX_PROG_LD_GNU_DYNAMIC_LIST_CPP_NEW],
|
| 30 |
|
|
[AC_CACHE_CHECK([if the GNU linker ($LD) supports --dynamic-list-cpp-new],
|
| 31 |
|
|
acl_cv_prog_gnu_ld_dynamic_list_cpp_new, [
|
| 32 |
|
|
acl_cv_prog_gnu_ld_dynamic_list_cpp_new=no
|
| 33 |
|
|
AC_REQUIRE([ACX_PROG_LD_GNU_SYMBOLIC])
|
| 34 |
|
|
if test x"$with_gnu_ld" = x"yes" -a \
|
| 35 |
|
|
x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then
|
| 36 |
|
|
if $LD --help 2>&1 </dev/null | grep dynamic-list-cpp-new 1>&5; then
|
| 37 |
|
|
acl_cv_prog_gnu_ld_dynamic_list_cpp_new=yes
|
| 38 |
|
|
fi
|
| 39 |
|
|
fi])
|
| 40 |
|
|
if test x"$acl_cv_prog_gnu_ld_dynamic_list_cpp_new" = x"yes"; then
|
| 41 |
|
|
DYNAMIC_LIST_CPP_NEW_LDFLAGS="$SYMBOLIC_LDFLAGS -Wl,--dynamic-list-cpp-new"
|
| 42 |
|
|
else
|
| 43 |
|
|
DYNAMIC_LIST_CPP_NEW_LDFLAGS=''
|
| 44 |
|
|
fi
|
| 45 |
|
|
])
|
