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

This commit is contained in:
viz 2015-02-08 07:57:05 -08:00
parent 326ade7698
commit 26c151c5e4

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@ -61,6 +61,7 @@
#endif #endif
#ifdef __clang__ #ifdef __clang__
# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__)
# pragma clang diagnostic ignored "-Wdocumentation-unknown-command" # pragma clang diagnostic ignored "-Wdocumentation-unknown-command"
#endif #endif
@ -119,7 +120,8 @@
# define FMT_NOEXCEPT(expr) # define FMT_NOEXCEPT(expr)
#endif #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]] # define FMT_FALLTHROUGH [[clang::fallthrough]]
#else #else
# define FMT_FALLTHROUGH # define FMT_FALLTHROUGH