dnl  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
dnl
dnl  Copyright (C) 2003-2007  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.salome-platform.org/ or email : webmaster.salome@opencascade.com
dnl
dnl @synopsis AC_CXX_HAVE_SSTREAM
dnl If the C++ library has a working stringstream, define HAVE_SSTREAM.
dnl @author Ben Stanley
dnl @version $Id$
dnl modified by Marc Tajchman (CEA) - 10/10/2002
dnl

AC_DEFUN([AC_CXX_HAVE_SSTREAM],[
  AC_CACHE_CHECK([whether the compiler has stringstream],
                 [ac_cv_prog_cxx_have_sstream],
                 [ac_cv_prog_cxx_have_sstream=no
    AC_REQUIRE([AC_CXX_NAMESPACES])
    AC_LANG_SAVE
    AC_LANG_CPLUSPLUS
    AC_TRY_COMPILE([
      #include <sstream>
      #ifdef HAVE_NAMESPACES
      using namespace std;
      #endif
    ],
    [stringstream message; message << "Hello"; return 0;],
    [ac_cv_prog_cxx_have_sstream=yes],[ac_cv_prog_cxx_have_sstream=no])
    AC_LANG_RESTORE
  ])
  HAVE_SSTREAM=$ac_cv_prog_cxx_have_sstream
  AC_SUBST(HAVE_SSTREAM)
])