diff options
Diffstat (limited to 'sys/times.h')
| -rw-r--r-- | sys/times.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/times.h b/sys/times.h index 4aa29fa..c063480 100644 --- a/sys/times.h +++ b/sys/times.h @@ -43,6 +43,14 @@ SOFTWARE. # define _POSIX_SOURCE #endif +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 19901L +# if (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L) +# error POSIX.1-2001 and later require a C99 compiler +# elif (defined _XOPEN_SOURCE && _XOPEN_SOURCE >= 600) +# error XOPEN Issue 6 and later require a C99 compiler +# endif +#endif + #if (defined _POSIX_SOURCE) /* src/time/clock_t.c */ #ifndef __TYPE_clock_t_DEFINED__ |