ported to Think C
diff --git a/Mac/Include/macglue.h b/Mac/Include/macglue.h
index d868534..a299016 100644
--- a/Mac/Include/macglue.h
+++ b/Mac/Include/macglue.h
@@ -22,10 +22,18 @@
******************************************************************/
+#ifndef SystemSevenOrLater
+#define SystemSevenOrLater 1
+#endif
+
#include <Types.h>
#include <Files.h>
#include <Events.h>
+#ifdef GENERATINGCFM /* Defined to 0 or 1 in Universal headers */
+#define HAVE_UNIVERSAL_HEADERS
+#endif
+
char *macstrerror(int); /* strerror with mac errors */
extern int PyMac_DoYieldEnabled; /* Don't do eventloop when false */