From 9a6efe4a0feb99310bcf83f10d1240119ca27f16 Mon Sep 17 00:00:00 2001
From: Eitan Adler <eadler@FreeBSD.org>
Date: Wed, 23 May 2018 08:35:55 +0000
Subject: [PATCH] bsd.sys.mk: add -Wmain to WARNS=1

Even in very low "WARNS" conditions, 'main' ought to be reasonable.
---
 share/mk/bsd.sys.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index d6fc30f95d25..1a44259cd224 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -28,7 +28,7 @@ CFLAGS+=	-std=${CSTD}
 #CFLAGS+=	-pedantic
 .if defined(WARNS)
 .if ${WARNS} >= 1
-CWARNFLAGS+=	-Wsystem-headers
+CWARNFLAGS+=	-Wsystem-headers -Wmain
 .if !defined(NO_WERROR) && !defined(NO_WERROR.${COMPILER_TYPE})
 CWARNFLAGS+=	-Werror
 .endif # !NO_WERROR && !NO_WERROR.${COMPILER_TYPE}