| //  (C) Copyright John Maddock 2005. | 
 | //  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) | 
 | // | 
 | //  This file exists to prevent std lib headers from accidentally | 
 | //  including a TR1 extention header; we must suppress this otherwise | 
 | //  we can end up with cyclic dependencies with some std lib implementations. | 
 | // | 
 | #ifndef BOOST_TR1_queue_INCLUDED | 
 | #  define BOOST_TR1_queue_INCLUDED | 
 | #  ifndef BOOST_TR1_NO_RECURSION | 
 | #     define BOOST_TR1_NO_RECURSION | 
 | #     define BOOST_TR1_NO_queue_RECURSION | 
 | #  endif | 
 | #  include <boost/tr1/detail/config_all.hpp> | 
 | #  ifdef BOOST_HAS_INCLUDE_NEXT | 
 | #     include_next <queue> | 
 | #  else | 
 | #     include BOOST_TR1_STD_HEADER(queue) | 
 | #  endif | 
 | #  ifdef BOOST_TR1_NO_queue_RECURSION | 
 | #     undef BOOST_TR1_NO_queue_RECURSION | 
 | #     undef BOOST_TR1_NO_RECURSION | 
 | #  endif | 
 | #endif | 
 |  |