diff -uNr ugs.ORIG/Imakefile.def ugs/Imakefile.def
--- ugs.ORIG/Imakefile.def	Mon Mar  9 16:47:19 1998
+++ ugs/Imakefile.def	Mon Jul 14 20:40:57 2003
@@ -3,10 +3,11 @@
  */
 
 /* #define LinuxAoutArchitecture */
-#define LinuxElfArchitecture
+/* #define LinuxElfArchitecture */
 /* #define SunArchitecture */
 /* #define DigitalArchitecture */
 /* #define FreeBSDArchitecture */
+#define DarwinArchitecture
 
 /*-------------- Do not change the followings ---------------*/