dnl Copyright (C) 2007-2011  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_USE_STD_IOSTREAM
dnl
dnl If the C++ library use std iostream
dnl
dnl @author Bernard Secher (CEA) - 05/12/2003

AC_DEFUN([AC_CXX_USE_STD_IOSTREAM],
[

AC_MSG_CHECKING(whether the compiler use std iostream)

cat > conftest.cxx <<EOF
#include <iostream>
int main(int argc, char **argv) {std::cout << "Hello" << std::endl; return 0;}
EOF

fUSE_STD_IOSTREAM=no
for ac_CXX_USE_STD_IOSTREAM in "" -D__USE_STD_IOSTREAM ; do
  if $CXX ${ac_CXX_USE_STD_IOSTREAM} conftest.cxx > /dev/null 2>&1; then
    CPPFLAGS="$CPPFLAGS ${ac_CXX_USE_STD_IOSTREAM}"
    if test x${ac_CXX_USE_STD_IOSTREAM} = x; then
      AC_MSG_RESULT(yes)
    else
      AC_MSG_RESULT(${ac_CXX_USE_STD_IOSTREAM})
    fi
    fUSE_STD_IOSTREAM=yes
    break
  fi
done
if test $fUSE_STD_IOSTREAM = no; then
  AC_MSG_RESULT(no)
fi

])