Add missing dependents of graminit.h.
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 872f746..61c31da 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -391,6 +391,8 @@
 Parser/metagrammar.o:	$(srcdir)/Parser/metagrammar.c
 
 
+Python/compile.o Python/symtable.o: $(GRAMMAR_H)
+
 Python/getplatform.o: $(srcdir)/Python/getplatform.c
 		$(CC) -c $(CFLAGS) -DPLATFORM='"$(MACHDEP)"' -o $@ $(srcdir)/Python/getplatform.c