diff options
Diffstat (limited to 'driver_zodiac.c')
-rw-r--r-- | driver_zodiac.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/driver_zodiac.c b/driver_zodiac.c index b14ffa63..e1ce407e 100644 --- a/driver_zodiac.c +++ b/driver_zodiac.c @@ -13,6 +13,8 @@ /* if we insisnt on C99, then we need this to get M_LN2 from math.h */ /* 500 means X/Open 1995 */ #define _XOPEN_SOURCE 500 +/* round() needs _POSIX_C_SOURCE >= 200112L */ +#define _POSIX_C_SOURCE 200112L #include <stdio.h> #include <stdbool.h> |