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Detect [[clang::fallthrough]] even __has_cpp_attribute is not supported

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viz 2015-02-08 07:57:05 -08:00
parent 326ade7698
commit 26c151c5e4
1 changed files with 3 additions and 1 deletions
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4
format.h
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@ -61,6 +61,7 @@
#endif
#ifdef __clang__
# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__)
# pragma clang diagnostic ignored "-Wdocumentation-unknown-command"
#endif
@ -119,7 +120,8 @@
# define FMT_NOEXCEPT(expr)
#endif
#if FMT_HAS_CPP_ATTRIBUTE(clang::fallthrough)
#if FMT_HAS_CPP_ATTRIBUTE(clang::fallthrough) || \
(FMT_CLANG_VERSION >= 600 && __cplusplus >= 201103)
# define FMT_FALLTHROUGH [[clang::fallthrough]]
#else
# define FMT_FALLTHROUGH