--- a/src/music/qtmidi.cpp Sun Nov 25 12:58:32 2007 +0000
+++ b/src/music/qtmidi.cpp Sun Nov 25 14:43:16 2007 +0000
@@ -19,6 +19,9 @@
*/
+#define MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_3
+#include <AvailabilityMacros.h>
+
/*
* OpenTTD includes.
*/