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synopsis AC_CXX_HAVE_SSTREAM
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If the
C++
library has
a working
stringstream,
define HAVE_SSTREAM
.
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@
author Ben
Stanley
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@
version $Id:
ac_cxx_have_sstream.m4,v 1.2 2006/02/22 02:10:28
zeekec Exp
$
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AC_DEFUN([AC_CXX_HAVE_SSTREAM],
[AC_REQUIRE([AC_CXX_NAMESPACES])
AC_LANG_SAVE
        AC_LANG_CPLUSPLUS
AC_CHECK_HEADERS(sstream)
AC_CACHE_CHECK([
whether the
STL defines
stringstream],
[ac_cv_cxx_have_sstream],
[AC_TRY_COMPILE([#
include <sstream>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif],[stringstream message; message << "Hello"; return 0;],
        ac_cv_cxx_have_sstream = yes, ac_cv_cxx_have_sstream = no
)
])
if test "$ac_cv_cxx_have_sstream" =
yes;
then
        AC_DEFINE(HAVE_SSTREAM, 1,[define
if
the compiler
has stringstream
])
fi
        AC_LANG_RESTORE
])