--- sys/osxaudio/gstosxcoreaudio.c	2024-06-20 19:54:15.000000000 +0800
+++ sys/osxaudio/gstosxcoreaudio.c	2024-06-22 07:10:09.000000000 +0800
@@ -303,6 +303,7 @@
 gst_core_audio_update_timing (GstCoreAudio * core_audio,
     const AudioTimeStamp * inTimeStamp, unsigned int inNumberFrames)
 {
+#if defined(__APPLE__) && (MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
   AudioTimeStampFlags target_flags =
       kAudioTimeStampSampleHostTimeValid | kAudioTimeStampRateScalarValid;
 
@@ -318,6 +319,7 @@
         core_audio->anchor_hosttime_ns,
         core_audio->rate_scalar, core_audio->anchor_pend_samples);
   }
+#endif
 }
 
 gboolean