dnl Copyright (C) 2006-2022 CEA/DEN, EDF R&D 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, or (at your option) any later version. 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 AC_DEFUN([AC_CXX_HAVE_SSTREAM], [AC_CACHE_CHECK(whether the compiler has stringstream, HAVE_SSTREAM, [AC_REQUIRE([AC_CXX_NAMESPACES]) AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([#include #ifdef HAVE_NAMESPACES using namespace std; #endif],[stringstream message; message << "Hello"; return 0;], HAVE_SSTREAM=yes, HAVE_SSTREAM=no) AC_LANG_RESTORE ]) AC_SUBST(HAVE_SSTREAM) ])