fun with quicktime:

#include <QuickTime/Movies.h> instead of #include <Movies.h> on OS X to
avoid having to specify the full path to the QT headers in the Makefiles

#undef NDEBUG on OS X to avoid errors about ID being declared twice

enable support for QuickTime in the original Makefiles on OS X

source/blender/quicktime/apple/quicktime_export.c

@@ -82,16 +82,18 @@ DONE:
 
 #include "quicktime_export.h"
 
-#include <Movies.h>
-#include <QuicktimeComponents.h>
-
 #ifdef _WIN32
 #include <FixMath.h>
 #include <QTML.h>
 #include <TextUtils.h> 
+#include <Movies.h>
+#include <QuicktimeComponents.h>
 #endif /* _WIN32 */
 
 #ifdef __APPLE__
+#undef NDEBUG
+#include <QuickTime/Movies.h>
+#include <QuickTime/QuicktimeComponents.h>
 #include <fcntl.h> /* open() */
 #include <unistd.h> /* close() */
 #include <sys/stat.h> /* file permissions */