Added boost header

test/external/boost/xpressive/xpressive.hpp

@@ -0,0 +1,21 @@
+///////////////////////////////////////////////////////////////////////////////
+/// \file xpressive.hpp
+/// Includes all of xpressive including support for both static and
+/// dynamic regular expressions.
+//
+//  Copyright 2008 Eric Niebler. 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)
+
+#ifndef BOOST_XPRESSIVE_HPP_EAN_10_04_2005
+#define BOOST_XPRESSIVE_HPP_EAN_10_04_2005
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <boost/xpressive/xpressive_static.hpp>
+#include <boost/xpressive/xpressive_dynamic.hpp>
+
+#endif