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#ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/smart_ptr/detail/sp_has_sync.hpp
//
// Copyright (c) 2008, 2009 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)
//
// Defines the BOOST_SP_HAS_SYNC macro if the __sync_* intrinsics
// are available.
//
#ifndef BOOST_SP_NO_SYNC
#if !defined( __c2__ ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
# define BOOST_SP_HAS_SYNC
#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 ) && !defined( __COMPILER_VER__ )
# define BOOST_SP_HAS_SYNC
#elif !defined( __c2__ ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
#define BOOST_SP_HAS_SYNC
#if defined( __arm__ ) || defined( __armel__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __hppa ) || defined( __hppa__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __m68k__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __sh__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __sparc__ )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined( __INTEL_COMPILER ) && !defined( __ia64__ ) && ( __INTEL_COMPILER < 1110 )
#undef BOOST_SP_HAS_SYNC
#endif
#if defined(__PATHSCALE__) && ((__PATHCC__ == 4) && (__PATHCC_MINOR__ < 9))
#undef BOOST_SP_HAS_SYNC
#endif
#endif
#endif // #ifndef BOOST_SP_NO_SYNC
#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
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