Xorg vs gettimeofday() and clock_gettime()

[John Hein]

Thomas Mueller wrote at 10:32 +0100 on Feb 27, 2008:
 > Apparently the autoconf check for presence of CLOCK_MONOTONIC fails on
 > FreeBSD:
 > 
 >  #define _POSIX_C_SOURCE 199309L
 >  #include <time.h>
 > 
 >  int main(int argc, char *argv[]) {
 >     struct timespec tp;
 > 
 >     if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
 >         return 0;
 >     else
 >         return 1;
 >  }
 > 
 > /usr/include/time.h:
 >  #if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112
 >  #define CLOCK_REALTIME  0
 >  [...]
 >  #define CLOCK_MONOTONIC 4
 > 
 > Was CLOCK_MONOTONIC already defined for _POSIX_C_SOURCE 199309?

It was added to time.h on 2005-04-02 and since then, it was always
under _POSIX_C_SOURCE 2000112.