| 1 | #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_GCC_INTRINSICS_HPP_INCLUDED |
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| 2 | #define BOOST_SMART_PTR_DETAIL_SP_HAS_GCC_INTRINSICS_HPP_INCLUDED |
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| 3 | |
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| 4 | // MS compatible compilers support #pragma once |
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| 5 | |
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| 6 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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| 7 | # pragma once |
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| 8 | #endif |
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| 9 | |
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| 10 | |
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| 11 | // boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp |
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| 12 | // |
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| 13 | // Copyright 2020 Peter Dimov |
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| 14 | // Distributed under the Boost Software License, Version 1.0. |
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| 15 | // https://www.boost.org/LICENSE_1_0.txt |
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| 16 | // |
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| 17 | // Defines the BOOST_SP_HAS_GCC_INTRINSICS macro if the __atomic_* |
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| 18 | // intrinsics are available. |
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| 19 | |
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| 20 | |
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| 21 | #if defined( __ATOMIC_RELAXED ) && defined( __ATOMIC_ACQUIRE ) && defined( __ATOMIC_RELEASE ) && defined( __ATOMIC_ACQ_REL ) |
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| 22 | |
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| 23 | # define BOOST_SP_HAS_GCC_INTRINSICS |
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| 24 | |
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| 25 | #endif |
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| 26 | |
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| 27 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_GCC_INTRINSICS_HPP_INCLUDED |
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| 28 | |
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