diff options
Diffstat (limited to 'kern/macros.h')
| -rw-r--r-- | kern/macros.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kern/macros.h b/kern/macros.h index d09eca40..23ad4d22 100644 --- a/kern/macros.h +++ b/kern/macros.h @@ -106,4 +106,13 @@ moo_print(const char *s) #define __used __attribute__((used)) #endif +#ifndef __fallthrough +#if __GNUC__ >= 7 +#define __fallthrough __attribute__((fallthrough)) +#else +/* TODO: clang 6 might add support for -Wimplicit-fallthrough */ +#define __fallthrough +#endif +#endif + #endif /* _KERN_MACROS_H */ |