Index: head/lib/libregex/Makefile
===================================================================
--- head/lib/libregex/Makefile	(revision 328241)
+++ head/lib/libregex/Makefile	(revision 328242)
@@ -1,19 +1,20 @@
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 PACKAGE=lib${LIB}
 LIB=	regex
 SHLIB_MAJOR=	1
 SHLIB_MINOR=	0
 
 CFLAGS+=	-DLIBREGEX
 LIBC_SRCTOP=	${.CURDIR:H}/libc
 SYMBOL_MAPS=	${SYM_MAPS}
+WARNS?=	2
 
 #HAS_TESTS=
 SUBDIR.${MK_TESTS}+= tests
 
 .include "../Makefile.inc"
 .include "${LIBC_SRCTOP}/regex/Makefile.inc"
 .include <bsd.lib.mk>