diff -uNr topdrawer.ORIG/Imakefile.def topdrawer/Imakefile.def
--- topdrawer.ORIG/Imakefile.def	Mon Mar  9 16:45:37 1998
+++ topdrawer/Imakefile.def	Mon Jul 14 20:46:23 2003
@@ -3,10 +3,11 @@
  */
 
 /* #define LinuxAoutArchitecture */
-#define LinuxElfArchitecture
+/* #define LinuxElfArchitecture */
 /* #define SunArchitecture */
 /* #define DigitalArchitecture */
 /* #define FreeBSDArchitecture */
+#define DarwinArchitecture
 
 UGS = /home/common/ugs/ugs.a