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( __c2__ ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
26
27# define BOOST_SP_HAS_SYNC
28
29#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 ) && !defined( __COMPILER_VER__ )
30
31# define BOOST_SP_HAS_SYNC
32
33#elif !defined( __c2__ ) && 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
70