# ===========================================================================

#    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 <Ben.Stanley@exemail.com.au>

#

#   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 <sstream>

#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

])