Implement POSIX clock_gettime(3) for systems that lack it (like Mac OS X).

On Mac OS X it will get proper nanosecond precision; elsewhere, only
microseconds.  Hides the conformance failure from the rest of the code.

All regression tests pass.

1 files changed, 0 insertions, 6 deletions

diff --git a/gpsutils.c b/gpsutils.c
index fa15bc49..e7000f70 100644
--- a/gpsutils.c
+++ b/gpsutils.c
@@ -299,15 +299,9 @@ void gps_merge_fix( /*@ out @*/ struct gps_fix_t *to,
  * near microSec.  Do not use near PPS which is nanoSec precise */
 timestamp_t timestamp(void)
 {
-#ifdef HAVE_CLOCK_GETTIME
      struct timespec ts;
      /*@i2@*/(void)clock_gettime(CLOCK_REALTIME, &ts);
      /*@i3@*/return (timestamp_t)(ts.tv_sec + ts.tv_nsec * 1e-9);
-#else
-    struct timeval tv;
-    (void)gettimeofday(&tv, NULL);
-    return (timestamp_t)(tv.tv_sec + tv.tv_usec * 1e-6);
-#endif
 }
 
 time_t mkgmtime(register struct tm * t)