diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compiler.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/compiler.h b/lib/compiler.h index b19c33f65e..24b8fafd10 100644 --- a/lib/compiler.h +++ b/lib/compiler.h @@ -24,6 +24,9 @@ #if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5) # define _RET_NONNULL , returns_nonnull #endif +#if __has_attribute(fallthrough) +# define _FALLTHROUGH __attribute__((fallthrough)); +#endif # define _CONSTRUCTOR(x) constructor(x) #elif defined(__GNUC__) #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) @@ -34,6 +37,9 @@ # define _DESTRUCTOR(x) destructor(x) # define _ALLOC_SIZE(x) alloc_size(x) #endif +#if __GNUC__ >= 7 +# define _FALLTHROUGH __attribute__((fallthrough)); +#endif #endif #ifdef __sun @@ -55,6 +61,9 @@ #ifndef _ALLOC_SIZE # define _ALLOC_SIZE(x) #endif +#ifndef _FALLTHROUGH +#define _FALLTHROUGH +#endif /* * for warnings on macros, put in the macro content like this: |