diff -NPru cmd_dd.c.orig cmd_dd.c
--- cmd_dd.c.orig	Sun Apr 11 09:31:39 1999
+++ cmd_dd.c	Sat Jan 22 23:45:39 2000
@@ -6,6 +6,8 @@
  * The "dd" built-in command.
  */
 
+#ifdef HAVE_DD
+
 #include "sash.h"
 
 
@@ -346,5 +348,7 @@
 
 	return value;
 }
+
+#endif /* HAVE_DD */
 
 /* END CODE */