--- /dev/null
+/*
+Copyright Redshift Software, Inc. 2013
+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_PREDEF_DETAIL_OS_DETECTED
+#define BOOST_PREDEF_DETAIL_OS_DETECTED 1
+#endif