From f41c578fed688ad35d763283c9c68866a4a0becd Mon Sep 17 00:00:00 2001
From: Ruslan Bukin <br@FreeBSD.org>
Date: Tue, 3 Jul 2018 10:51:59 +0000
Subject: [PATCH] Add GCC 8.1.0 compiler warning flags.

Sponsored by:	DARPA, AFRL
---
 share/mk/bsd.sys.mk | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 6a56a554de0b..86a438676681 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -154,6 +154,16 @@ CWARNFLAGS+=	-Wno-error=bool-operation		\
 		-Wno-error=stringop-overflow
 .endif
 
+# GCC 8.1.0
+.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 80100
+CWARNFLAGS+=	-Wno-error=aggressive-loop-optimizations	\
+		-Wno-error=cast-function-type			\
+		-Wno-error=multistatement-macros		\
+		-Wno-error=restrict				\
+		-Wno-error=sizeof-pointer-memaccess		\
+		-Wno-error=stringop-truncation
+.endif
+
 # How to handle FreeBSD custom printf format specifiers.
 .if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 30600
 FORMAT_EXTENSIONS=	-D__printf__=__freebsd_kprintf__