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-rw-r--r--usr.bin/yacc/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/yacc/Makefile b/usr.bin/yacc/Makefile
index e8b1024..c2f31a7 100644
--- a/usr.bin/yacc/Makefile
+++ b/usr.bin/yacc/Makefile
@@ -9,4 +9,6 @@ MAN= yacc.1 yyfix.1
LINKS= ${BINDIR}/yacc ${BINDIR}/byacc
MLINKS= yacc.1 byacc.1
+WARNS?= 2
+
.include <bsd.prog.mk>
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