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sp_has_sync.hpp
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1 #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
2 #define BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
3 
4 // MS compatible compilers support #pragma once
5 
6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
7 # pragma once
8 #endif
9 
10 //
11 // boost/smart_ptr/detail/sp_has_sync.hpp
12 //
13 // Copyright (c) 2008, 2009 Peter Dimov
14 //
15 // Distributed under the Boost Software License, Version 1.0.
16 // See accompanying file LICENSE_1_0.txt or copy at
17 // http://www.boost.org/LICENSE_1_0.txt)
18 //
19 // Defines the BOOST_SP_HAS_SYNC macro if the __sync_* intrinsics
20 // are available.
21 //
22 
23 #ifndef BOOST_SP_NO_SYNC
24 
25 #if defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
26 
27 # define BOOST_SP_HAS_SYNC
28 
29 #elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 )
30 
31 # define BOOST_SP_HAS_SYNC
32 
33 #elif defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
34 
35 #define BOOST_SP_HAS_SYNC
36 
37 #if defined( __arm__ ) || defined( __armel__ )
38 #undef BOOST_SP_HAS_SYNC
39 #endif
40 
41 #if defined( __hppa ) || defined( __hppa__ )
42 #undef BOOST_SP_HAS_SYNC
43 #endif
44 
45 #if defined( __m68k__ )
46 #undef BOOST_SP_HAS_SYNC
47 #endif
48 
49 #if defined( __sh__ )
50 #undef BOOST_SP_HAS_SYNC
51 #endif
52 
53 #if defined( __sparc__ )
54 #undef BOOST_SP_HAS_SYNC
55 #endif
56 
57 #if defined( __INTEL_COMPILER ) && !defined( __ia64__ ) && ( __INTEL_COMPILER < 1110 )
58 #undef BOOST_SP_HAS_SYNC
59 #endif
60 
61 #if defined(__PATHSCALE__) && ((__PATHCC__ == 4) && (__PATHCC_MINOR__ < 9))
62 #undef BOOST_SP_HAS_SYNC
63 #endif
64 
65 #endif
66 
67 #endif // #ifndef BOOST_SP_NO_SYNC
68 
69 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED