diff options
Diffstat (limited to 'src/system.h')
| -rw-r--r-- | src/system.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/system.h b/src/system.h index 859b663b9..9e1468172 100644 --- a/src/system.h +++ b/src/system.h @@ -483,6 +483,14 @@ enum # define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) #endif +/* The warn_unused_result attribute appeared first in gcc-3.4.0 */ +#undef ATTRIBUTE_WARN_UNUSED_RESULT +#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4) +# define ATTRIBUTE_WARN_UNUSED_RESULT /* empty */ +#else +# define ATTRIBUTE_WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__)) +#endif + #if defined strdupa # define ASSIGN_STRDUPA(DEST, S) \ do { DEST = strdupa (S); } while (0) |