2010-07-26 17:06:36 +00:00
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#ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
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#define BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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//
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// boost/smart_ptr/detail/sp_has_sync.hpp
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//
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// Copyright (c) 2008, 2009 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Defines the BOOST_SP_HAS_SYNC macro if the __sync_* intrinsics
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// are available.
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//
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#if defined(__GNUC__) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
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#define BOOST_SP_HAS_SYNC
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#if defined( __arm__ ) || defined( __armel__ )
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#undef BOOST_SP_HAS_SYNC
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#endif
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#if defined( __hppa ) || defined( __hppa__ )
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#undef BOOST_SP_HAS_SYNC
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#endif
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#if defined( __m68k__ )
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#undef BOOST_SP_HAS_SYNC
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#endif
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#if defined( __sparc__ )
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#undef BOOST_SP_HAS_SYNC
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#endif
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#if defined( __INTEL_COMPILER ) && !defined( __ia64__ ) && ( __INTEL_COMPILER < 1100 )
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#undef BOOST_SP_HAS_SYNC
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#endif
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#endif // __GNUC__ * 100 + __GNUC_MINOR__ >= 401
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#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
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