--- /dev/null
+From 51f545b9c16f6a371c129bd0fbb9c7f7ae339df3 Mon Sep 17 00:00:00 2001
+From: Chunrong Guo <chunrong.guo@nxp.com>
+Date: Thu, 13 Jul 2017 13:59:28 +0800
+Subject: [PATCH] fix build error gcc7
+
+
+Upstream-Status: Pending
+
+---
+ Makefile.build | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/Makefile.build b/Makefile.build
+index e93cc9a..f6028fe 100644
+--- a/Makefile.build
++++ b/Makefile.build
+@@ -35,7 +35,8 @@ GENASSYM=$(libos)lib/genassym.sh
+
+ export libos := $(src)libos/
+
+-export CC=$(CROSS_COMPILE)gcc
++
++
+
+ export GCCINCDIR := $(shell $(CC) -print-file-name=include)
+ CC_OPTS=-Wa,-m$(CONFIG_GCC_CPU_FLAG) -nostdinc -I $(GCCINCDIR) -I $(GCCINCDIR)-fixed \
+@@ -46,8 +47,8 @@ CC_OPTS=-Wa,-m$(CONFIG_GCC_CPU_FLAG) -nostdinc -I $(GCCINCDIR) -I $(GCCINCDIR)-f
+ export CC_OPTS_NODEP := -include include/config/autoconf.h
+
+ export WARNINGS := -Wwrite-strings -Wmissing-prototypes \
+- -Wstrict-prototypes -Wold-style-definition \
+- -Wmissing-declarations
++ -Wstrict-prototypes -Wold-style-definition -Wno-format-truncation \
++ -Wmissing-declarations
+
+ # Our code should build without any of these warnings, but some
+ # external code may be excluded.
+--
+2.7.4
+