diff options
Diffstat (limited to 'posix/unistd.h')
| -rw-r--r-- | posix/unistd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index 526832ad4e..3b7cb0a0fb 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -55,6 +55,9 @@ __BEGIN_DECLS creation of locales with the localedef utility. */ #define _POSIX2_LOCALEDEF 1 +/* Library is conformant to X/Open version 4. */ +#define _XOPEN_VERSION 4 + /* Get values of POSIX options: |