#ifndef BOOST_MPL_AUX_ADL_BARRIER_HPP_INCLUDED

 #define BOOST_MPL_AUX_ADL_BARRIER_HPP_INCLUDED

 // Copyright Aleksey Gurtovoy 2002-2004

 //

 // 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)

 //

 // See http://www.boost.org/libs/mpl for documentation.

 // $Source: /cvsroot/boost/boost/boost/mpl/aux_/adl_barrier.hpp,v $

 // $Date: 2004/09/28 13:56:59 $

 // $Revision: 1.4 $

 #include <boost/mpl/aux_/config/adl.hpp>

 #include <boost/mpl/aux_/config/gcc.hpp>

 #include <boost/mpl/aux_/config/workaround.hpp>

 #if !defined(BOOST_MPL_CFG_NO_ADL_BARRIER_NAMESPACE)

 #   define BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE mpl_

 #   define BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN namespace mpl_ {

 #   define BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE }

 #   define BOOST_MPL_AUX_ADL_BARRIER_DECL(type) \

     namespace boost { namespace mpl { \

     using ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::type; \

     } } \

 /**/

 #if !defined(BOOST_MPL_PREPROCESSING_MODE)

 namespace BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE { namespace aux {} }

 namespace boost { namespace mpl { using namespace BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE; 

 namespace aux { using namespace BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::aux; }

 }}

 #endif

 #else // BOOST_MPL_CFG_NO_ADL_BARRIER_NAMESPACE

 #   define BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE boost::mpl

 #   define BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN namespace boost { namespace mpl {

 #   define BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE }}

 #   define BOOST_MPL_AUX_ADL_BARRIER_DECL(type) /**/

 #endif

 #endif // BOOST_MPL_AUX_ADL_BARRIER_HPP_INCLUDED