diff --git a/xtrn/sdk/xsdk.h b/xtrn/sdk/xsdk.h
index 440bbd2f7f3c9ce0774942e2fbbf3a4835620518..276a5c226f80bf11f1a1a506ada3863593566cdf 100644
--- a/xtrn/sdk/xsdk.h
+++ b/xtrn/sdk/xsdk.h
@@ -76,6 +76,7 @@
 #include "filewrap.h"
 #define	BACKSLASH	PATH_DELIM
 #define mswait(x)	SLEEP(x)
+#define COMPILER_DESC(x)	DESCRIBE_COMPILER(x)
 #endif
 
 #define GLOBAL extern	/* turns XSDKVARS.C into a header file */