It feels like this Makefile should contain -Wall at least

diff --git a/usr.bin/su/Makefile b/usr.bin/su/Makefile
index 9b9b170..645d194 100644 (file)
--- a/usr.bin/su/Makefile
+++ b/usr.bin/su/Makefile
@@ -1,7 +1,7 @@
-#      $OpenBSD: Makefile,v 1.8 2001/05/29 21:40:35 millert Exp $
+#      $OpenBSD: Makefile,v 1.9 2015/04/15 02:10:25 deraadt Exp $
 
 PROG=  su
 BINOWN=        root
 BINMODE=4555
-
+COPTS=-Wall
 .include <bsd.prog.mk>