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

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This commit is contained in:
John Hood
2016-12-29 18:36:44 -05:00
parent 78ba5fddb6
commit ba5f33fd76
1 changed files with 6 additions and 2 deletions
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src/util/timestamp.cc
+5 -1
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@@ -68,8 +68,12 @@ void freeze_timestamp( void )
// adjusted after system sleep // adjusted after system sleep
struct timespec tp; struct timespec tp;
if (
#if defined(__APPLE__) && defined(__MACH__)
// Check for presence, for OS X SDK >= 10.12 and runtime < 10.12 // Check for presence, for OS X SDK >= 10.12 and runtime < 10.12
if ( &clock_gettime != NULL && clock_gettime( CLOCK_MONOTONIC, &tp ) == 0 ) { &clock_gettime != NULL &&
#endif
clock_gettime( CLOCK_MONOTONIC, &tp ) == 0 ) {
uint64_t millis = tp.tv_nsec / 1000000; uint64_t millis = tp.tv_nsec / 1000000;
millis += uint64_t( tp.tv_sec ) * 1000; millis += uint64_t( tp.tv_sec ) * 1000;