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ICU-12166 Fix mac clang has feature problem for C files.

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X-SVN-Rev: 38468
This commit is contained in:
Andy Heninger 2016-03-03 00:09:47 +00:00
parent d845084966
commit d743a8b947
1 changed files with 8 additions and 3 deletions
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11
icu4c/source/common/unicode/platform.h
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@ -533,13 +533,18 @@
* http://clang.llvm.org/docs/AttributeReference.html#fallthrough-clang-fallthrough
* @internal
*/
#if __has_cpp_attribute(clang::fallthrough) || \
(__has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough"))
# define U_FALLTHROUGH [[clang::fallthrough]]
#ifdef __cplusplus
# if __has_cpp_attribute(clang::fallthrough) || \
(__has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough"))
# define U_FALLTHROUGH [[clang::fallthrough]]
# else
# define U_FALLTHROUGH
# endif
#else
# define U_FALLTHROUGH
#endif
/** @} */
/*===========================================================================*/