diff options
| -rw-r--r-- | netdissect-stdinc.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/netdissect-stdinc.h b/netdissect-stdinc.h index 6455e8a6..8f1e5727 100644 --- a/netdissect-stdinc.h +++ b/netdissect-stdinc.h @@ -519,8 +519,16 @@ struct in6_addr { * it also implement __has_attribute() (for example, GCC 5.0 and later * have __has_attribute(), and the "fallthrough" attribute was introduced * in GCC 7). + * + * Unfortunately, Clang does this wrong - a statement + * + * __attribute__ ((fallthrough)); + * + * produces bogus -Wmissing-declaration "declaration does not declare + * anything" warnings (dear Clang: that's not a declaration, it's an + * empty statement). GCC, however, has no trouble with this. */ -#if __has_attribute(fallthrough) +#if __has_attribute(fallthrough) && !defined(__clang__) # define ND_FALL_THROUGH __attribute__ ((fallthrough)) #else # define ND_FALL_THROUGH |