Do clock_gettime() weak symbol check only on OS X/iOS

2016-12-29 18:36:44 -05:00
parent 78ba5fddb6
commit ba5f33fd76
1 changed files with 6 additions and 2 deletions
@@ -68,8 +68,12 @@ void freeze_timestamp( void )
  // adjusted after system sleep
  struct timespec tp;

-  // Check for presence, for OS X SDK >= 10.12 and runtime < 10.12
-  if ( &clock_gettime != NULL && clock_gettime( CLOCK_MONOTONIC, &tp ) == 0 ) {
+  if (
+#if defined(__APPLE__) && defined(__MACH__)
+      // Check for presence, for OS X SDK >= 10.12 and runtime < 10.12
+      &clock_gettime != NULL &&
+#endif
+      clock_gettime( CLOCK_MONOTONIC, &tp ) == 0 ) {
    uint64_t millis = tp.tv_nsec / 1000000;
    millis += uint64_t( tp.tv_sec ) * 1000;