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Fix fallthrough compiler warning with gcc >= 7 

Fixes https://github.com/harfbuzz/harfbuzz/issues/755
This commit is contained in:
Behdad Esfahbod 2018-02-05 19:51:09 -05:00
parent b7b7f0ac59
commit f41b92134a
1 changed files with 3 additions and 0 deletions
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3
src/hb-private.hh
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@ -154,6 +154,9 @@ extern "C" void hb_free_impl(void *ptr);
#if defined(__clang__) && __cplusplus >= 201103L #if defined(__clang__) && __cplusplus >= 201103L
/* clang's fallthrough annotations are only available starting in C++11. */ /* clang's fallthrough annotations are only available starting in C++11. */
# define HB_FALLTHROUGH [[clang::fallthrough]] # define HB_FALLTHROUGH [[clang::fallthrough]]
#elif __GNUC__ >= 7
/* GNU fallthrough attribute is available from GCC7 */
# define HB_FALLTHROUGH __attribute__((fallthrough))
#elif defined(_MSC_VER) #elif defined(_MSC_VER)
/* /*
* MSVC's __fallthrough annotations are checked by /analyze (Code Analysis): * MSVC's __fallthrough annotations are checked by /analyze (Code Analysis):