diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/features.h b/include/features.h index 59ae3c4d13..221b25ffe2 100644 --- a/include/features.h +++ b/include/features.h @@ -163,8 +163,8 @@ /* If none of the ANSI/POSIX macros are defined, use POSIX.1 and POSIX.2 (and IEEE Std 1003.1b-1993 unless _XOPEN_SOURCE is defined). */ -#if (!defined __STRICT_ANSI__ && !defined _POSIX_SOURCE && \ - !defined _POSIX_C_SOURCE) +#if ((!defined __STRICT_ANSI__ || (_XOPEN_SOURCE - 0) >= 500) && \ + !defined _POSIX_SOURCE && !defined _POSIX_C_SOURCE) # define _POSIX_SOURCE 1 # if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 500 # define _POSIX_C_SOURCE 2 |