dnl  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
dnl  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
dnl 
dnl  This library is free software; you can redistribute it and/or 
dnl  modify it under the terms of the GNU Lesser General Public 
dnl  License as published by the Free Software Foundation; either 
dnl  version 2.1 of the License. 
dnl 
dnl  This library is distributed in the hope that it will be useful, 
dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of 
dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
dnl  Lesser General Public License for more details. 
dnl 
dnl  You should have received a copy of the GNU Lesser General Public 
dnl  License along with this library; if not, write to the Free Software 
dnl  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
dnl 
dnl  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
dnl
dnl
dnl
dnl @synopsis AC_LINKER_OPTIONS
dnl
dnl Check warning flags for C++ compiler to control warning messages
dnl
dnl @author Bernard Secher (CEA) - 04/12/2003
dnl
AC_DEFUN([AC_LINKER_OPTIONS],[

  AC_CHECKING(for LIB_LOCATION_SUFFIX)
  LIB_LOCATION_SUFFIX=""
  case "$build_cpu" in
  x86_64*)  LIB_LOCATION_SUFFIX="64" ;;
  *)        LIB_LOCATION_SUFFIX="" ;;
  esac
  AC_SUBST(LIB_LOCATION_SUFFIX)
  AC_MSG_RESULT(LIB_LOCATION_SUFFIX is $LIB_LOCATION_SUFFIX)

  for opt in "-Xlinker -export-dynamic" -transitive_link; do
    AC_CXX_OPTION($opt,LDEXPDYNFLAGS,flag=yes,flag=no)
    if test "$flag" = "yes"; then
      break
    fi
  done
  AC_SUBST(LDEXPDYNFLAGS)

dnl 
  case $host_os in
    osf*)
      STDLIB="-lcxxstd"
      ;;
    *)
      STDLIB="-lstdc++"
      ;;
  esac
  AC_SUBST(STDLIB)
])