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-rw-r--r--lib/libz/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libz/Makefile b/lib/libz/Makefile
index 63383b4d97b6..595b4f3d5460 100644
--- a/lib/libz/Makefile
+++ b/lib/libz/Makefile
@@ -13,6 +13,8 @@ MAN= zlib.3
CFLAGS+= -DHAS_snprintf -DHAS_vsnprintf
+WARNS?= 3
+
CLEANFILES+= example.o example foo.gz minigzip.o minigzip
SRCS = adler32.c compress.c crc32.c gzio.c uncompr.c deflate.c trees.c \