Subversion Repositories openrisc_2011-10-31

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

])