Added boost header

test/external/boost/iostreams/detail/default_arg.hpp

@@ -0,0 +1,25 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2005-2007 Jonathan Turkanis
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
+
+// See http://www.boost.org/libs/iostreams for documentation.
+
+#ifndef BOOST_IOSTREAMS_DETAIL_DEFAULT_ARG_HPP_INCLUDED
+#define BOOST_IOSTREAMS_DETAIL_DEFAULT_ARG_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif            
+
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+# include <boost/mpl/identity.hpp>
+# define BOOST_IOSTREAMS_DEFAULT_ARG(arg) mpl::identity< arg >::type
+#else
+# define BOOST_IOSTREAMS_DEFAULT_ARG(arg) arg
+#endif
+
+#endif // #ifndef BOOST_IOSTREAMS_DETAIL_DEFAULT_ARG_HPP_INCLUDED