+#ifndef verify_noerr
+#define verify_noerr(a) assert((a) == noErr)
+#endif
+
+#if AUDIO_UNIT_VERSION < 1060
+#define AudioComponent Component
+#define AudioComponentDescription ComponentDescription
+#define AudioComponentFindNext FindNextComponent
+#define AudioComponentInstanceNew OpenAComponent
+#define AudioComponentInstanceDispose CloseComponent
+#define AudioComponentInstanceNew OpenAComponent
+#define AudioComponentInstanceNew OpenAComponent
+#else
+#include <AudioUnit/AudioComponent.h>
+#endif
+