diff options
Diffstat (limited to 'include/compiler.h')
| -rw-r--r-- | include/compiler.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/compiler.h b/include/compiler.h index 40358a11..18576724 100644 --- a/include/compiler.h +++ b/include/compiler.h @@ -18,7 +18,11 @@ # define RETURNS_NONNULL #else # define NONNULL(first, args...) __attribute__((__nonnull__(first, ## args))) +#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) # define RETURNS_NONNULL __attribute__((__returns_nonnull__)) +#else +# define RETURNS_NONNULL +#endif #endif #ifndef UNUSED |