--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/tr1/unordered_set.hpp	Fri Jun 25 18:11:34 2010 +0800
@@ -0,0 +1,33 @@
+//  (C) Copyright John Maddock 2008.
+//  Use, modification and distribution are subject to 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_TR1_UNORDERED_SET_HPP_INCLUDED
+#  define BOOST_TR1_UNORDERED_SET_HPP_INCLUDED
+#  include <boost/tr1/detail/config.hpp>
+
+#ifdef BOOST_HAS_TR1_UNORDERED_SET
+
+#  ifdef BOOST_HAS_INCLUDE_NEXT
+#     include_next BOOST_TR1_HEADER(unordered_set)
+#  else
+#     include <boost/tr1/detail/config_all.hpp>
+#     include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(unordered_set))
+#  endif
+
+#else
+
+#include <boost/unordered_set.hpp>
+
+namespace std{ namespace tr1{
+
+   using ::boost::unordered_set;
+   using ::boost::unordered_multiset;
+   using ::boost::swap;
+
+} } // namespaces
+
+#endif
+
+#endif