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-rw-r--r--usr.sbin/mtree/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/mtree/Makefile b/usr.sbin/mtree/Makefile
index 5b5e03d..e8afa08 100644
--- a/usr.sbin/mtree/Makefile
+++ b/usr.sbin/mtree/Makefile
@@ -7,6 +7,8 @@ PROG= mtree
MAN= mtree.8
SRCS= compare.c crc.c create.c excludes.c misc.c mtree.c spec.c verify.c
+WARNS?= 4
+
.if defined(BOOTSTRAPPING)
.PATH: ${.CURDIR}/../../lib/libc/gen
SRCS+= strtofflags.c
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