[src/trunk]: src/usr.bin/xlint lint: ensure that lint itself compiles without...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cbea3dc1f687
branches:  trunk
changeset: 365138:cbea3dc1f687
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Apr 09 22:26:49 2022 +0000

description:
lint: ensure that lint itself compiles without lint warnings

It would be a pity if lint didn't even survive its own style checks.

diffstat:

 usr.bin/xlint/Makefile.inc |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (15 lines):

diff -r a0e9c6153224 -r cbea3dc1f687 usr.bin/xlint/Makefile.inc
--- a/usr.bin/xlint/Makefile.inc        Sat Apr 09 21:19:52 2022 +0000
+++ b/usr.bin/xlint/Makefile.inc        Sat Apr 09 22:26:49 2022 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.inc,v 1.21 2022/04/08 21:48:19 rillig Exp $
+#      $NetBSD: Makefile.inc,v 1.22 2022/04/09 22:26:49 rillig Exp $
 
 .include <bsd.own.mk>
 
@@ -24,3 +24,5 @@
 .if exists(${.CURDIR}/../../Makefile.inc)
 .include "${.CURDIR}/../../Makefile.inc"
 .endif
+
+LINTFLAGS+=    -w      # treat warnings as errors