# =========================================================================== # http://www.gnu.org/software/autoconf-archive/ax_cxx_have_sstream.html # =========================================================================== # # SYNOPSIS # # AX_CXX_HAVE_SSTREAM # # DESCRIPTION # # If the C++ library has a working stringstream, define HAVE_SSTREAM. # # LICENSE # # Copyright (c) 2008 Ben Stanley # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 6 AU_ALIAS([AC_CXX_HAVE_SSTREAM], [AX_CXX_HAVE_SSTREAM]) AC_DEFUN([AX_CXX_HAVE_SSTREAM], [AC_CACHE_CHECK(whether the compiler has stringstream, ax_cv_cxx_have_sstream, [AC_REQUIRE([AX_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;], ax_cv_cxx_have_sstream=yes, ax_cv_cxx_have_sstream=no) AC_LANG_RESTORE ]) if test "$ax_cv_cxx_have_sstream" = yes; then AC_DEFINE(HAVE_SSTREAM,1,[define if the compiler has stringstream]) fi ])