--- ray/src/ot/Rmakefile	1991/04/02 09:51:22	1.10
+++ ray/src/ot/Rmakefile	1991/04/11 09:21:24	1.11
@@ -29,7 +29,7 @@ install:	oconv
 	cp oconv $(INSTDIR)
 
 clean:
-	rm -f oconv *.o core
+	set nonomatch; rm -f oconv *.o core
 
 xf.o:	xf.c
 	cc $(CFLAGS) -DINVXF -c xf.c