From 8177b8375eee80fb4c9772cbb3c7fe46826680cc Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 8 Jan 2017 18:14:28 +0000
Subject: [PATCH] For kernel builds, make the -Waddress-of-packed-member
 warning non-fatal. The warning is informative, but often there is no real
 alignment problem.

---
 sys/conf/kern.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 55c7878b66e1..27dd31e99e2c 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -33,6 +33,9 @@ CWARNEXTRA?=	-Wno-error-tautological-compare -Wno-error-empty-body \
 .if ${COMPILER_VERSION} >= 30700
 CWARNEXTRA+=	-Wno-error-shift-negative-value
 .endif
+.if ${COMPILER_VERSION} >= 40000
+CWARNEXTRA+=	-Wno-error-address-of-packed-member
+.endif
 
 CLANG_NO_IAS= -no-integrated-as
 .if ${COMPILER_VERSION} < 30500