From ff7ea78834a2360a86db8beeeb1c7113c6887625 Mon Sep 17 00:00:00 2001
From: Steven Hartland <smh@FreeBSD.org>
Date: Thu, 14 Jan 2016 10:09:05 +0000
Subject: [PATCH] Allow file specific user-specified flag overrides

Allow user-specified warning flag overrides for specific files under
bsd.sys.mk, in the same way kern.mk does.

This will to be used by future commits.

MFC after:	2 weeks
X-MFC-With:	r293268
Sponsored by:	Multiplay
---
 share/mk/bsd.sys.mk | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index de62195b84fd..7ac7917e9e89 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -164,10 +164,11 @@ SSP_CFLAGS?=	-fstack-protector
 CFLAGS+=	${SSP_CFLAGS}
 .endif # SSP && !ARM && !MIPS
 
-# Allow user-specified additional warning flags, plus compiler specific flag overrides.
-# Unless we've overriden this...
+# Allow user-specified additional warning flags, plus compiler and file
+# specific flag overrides, unless we've overriden this...
 .if ${MK_WARNS} != "no"
 CFLAGS+=	${CWARNFLAGS} ${CWARNFLAGS.${COMPILER_TYPE}}
+CFLAGS+=	${CWARNFLAGS.${.IMPSRC:T}}
 .endif
 
 CFLAGS+=	 ${CFLAGS.${COMPILER_TYPE}}