diff options
| -rw-r--r-- | include/features.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/features.h b/include/features.h index 173afc1c93..7bb27c5b08 100644 --- a/include/features.h +++ b/include/features.h @@ -194,6 +194,8 @@ /* This is to enable the ISO C11 extension. */ #if (defined _ISOC11_SOURCE \ || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L)) +# define __USE_ISOC11 1 +#endif /* This is to enable the ISO C99 extension. */ #if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \ |