--- calc/Makefile.orig	Tue Oct 20 06:41:42 1998
+++ calc/Makefile	Thu Jan 20 18:36:31 2000
@@ -40,8 +40,8 @@
 
 gram.cc: gram.y scan.c
 	$(YACC) -d gram.y 
-	mv gram.tab.c gram.cc
-	mv gram.tab.h gram.h
+	mv y.tab.c gram.cc
+	mv y.tab.h gram.h
 
 #
 # include a dependency file if one exists