From c47e07e344fbf32ca66bd854d3b34aac5f49f734 Mon Sep 17 00:00:00 2001
From: Beman Dawes <bdawes@acm.org>
Date: Fri, 23 Nov 2007 17:03:14 +0000
Subject: [PATCH] config, detail, filesystem, system, tools, at 41278.

[SVN r41316]
---
 include/boost/detail/sp_typeinfo.hpp | 83 ++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 include/boost/detail/sp_typeinfo.hpp

diff --git a/include/boost/detail/sp_typeinfo.hpp b/include/boost/detail/sp_typeinfo.hpp
new file mode 100644
index 0000000..e78c943
--- /dev/null
+++ b/include/boost/detail/sp_typeinfo.hpp
@@ -0,0 +1,83 @@
+#ifndef BOOST_DETAIL_SP_TYPEINFO_HPP_INCLUDED
+#define BOOST_DETAIL_SP_TYPEINFO_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//  detail/sp_typeinfo.hpp
+//
+//  Copyright 2007 Peter Dimov
+//
+// 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)
+
+#include <boost/config.hpp>
+
+#if defined( BOOST_NO_TYPEID )
+
+namespace boost
+{
+
+namespace detail
+{
+
+typedef void* sp_typeinfo;
+
+template<class T> struct sp_typeid_
+{
+    static char v_;
+};
+
+template<class T> char sp_typeid_< T >::v_;
+
+template<class T> struct sp_typeid_< T const >: sp_typeid_< T >
+{
+};
+
+template<class T> struct sp_typeid_< T volatile >: sp_typeid_< T >
+{
+};
+
+template<class T> struct sp_typeid_< T const volatile >: sp_typeid_< T >
+{
+};
+
+} // namespace detail
+
+} // namespace boost
+
+#define BOOST_SP_TYPEID(T) (&boost::detail::sp_typeid_<T>::v_)
+
+#else
+
+#include <typeinfo>
+
+namespace boost
+{
+
+namespace detail
+{
+
+#if defined( BOOST_NO_STD_TYPEINFO )
+
+typedef ::type_info sp_typeinfo;
+
+#else
+
+typedef std::type_info sp_typeinfo;
+
+#endif
+
+} // namespace detail
+
+} // namespace boost
+
+#define BOOST_SP_TYPEID(T) typeid(T)
+
+#endif
+
+#endif  // #ifndef BOOST_DETAIL_SP_TYPEINFO_HPP_INCLUDED