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Use __has_cpp_attribute instead of checking the Clang version

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Peter Dimov
2019-01-12 08:03:54 +02:00
parent a3ae9238c5
commit af12ea6785
1 changed files with 8 additions and 2 deletions
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10
include/boost/mp11/detail/config.hpp
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@@ -123,10 +123,16 @@
// BOOST_MP11_DEPRECATED(msg)
#if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 ) || BOOST_MP11_WORKAROUND( BOOST_MP11_CLANG, < 304 )
#if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 )
# define BOOST_MP11_DEPRECATED(msg)
#elif BOOST_MP11_WORKAROUND( BOOST_MP11_GCC, < 50000 ) || BOOST_MP11_WORKAROUND( BOOST_MP11_CLANG, < 309 )
#elif BOOST_MP11_WORKAROUND( BOOST_MP11_GCC, < 50000 )
# define BOOST_MP11_DEPRECATED(msg) __attribute__((deprecated(msg)))
#elif defined(__has_cpp_attribute)
# if __has_cpp_attribute(deprecated)
# define BOOST_MP11_DEPRECATED(msg) [[deprecated(msg)]]
# else
# define BOOST_MP11_DEPRECATED(msg)
# endif
#else
# define BOOST_MP11_DEPRECATED(msg) [[deprecated(msg)]]
#endif