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gcc: exclude attribute definition for gcc in C++03 mode.

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Even though __has_attribute reports true for gcc-9.
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jzmaddock
2019-06-28 08:32:47 +01:00
parent baf3a25a65
commit 8d58766c7b
1 changed files with 1 additions and 1 deletions
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2
include/boost/config/detail/suffix.hpp
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@ -999,7 +999,7 @@ namespace std{ using ::type_info; }
#if __has_cpp_attribute(nodiscard)
# define BOOST_ATTRIBUTE_NODISCARD [[nodiscard]]
#endif
#if __has_cpp_attribute(no_unique_address)
#if __has_cpp_attribute(no_unique_address) && !(defined(__GNUC__) && (__cplusplus < 201100))
# define BOOST_ATTRIBUTE_NO_UNIQUE_ADDRESS [[no_unique_address]]
#endif
#endif