From c4c13137cd6ea23c2866c5d537cc6a4593793bfe Mon Sep 17 00:00:00 2001
From: Urja Rannikko <urjaman@gmail.com>
Date: Sat, 27 Aug 2016 21:06:15 +0300
Subject: [PATCH] fix building old gcc with new gcc by using -std=gnu89

---
 tools/install_gcc_539       | 2 ++
 tools/install_gcc_539_thumb | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tools/install_gcc_539 b/tools/install_gcc_539
index ab14191..bcc222d 100755
--- a/tools/install_gcc_539
+++ b/tools/install_gcc_539
@@ -16,6 +16,8 @@ if [ "`which gmake`" != "" ]; then
         MAKE=gmake
 fi
 
+export CFLAGS="-O2 -pipe -std=gnu89"
+
 while read a
 do
   echo "$a"
diff --git a/tools/install_gcc_539_thumb b/tools/install_gcc_539_thumb
index 37ae9b9..2110e8e 100755
--- a/tools/install_gcc_539_thumb
+++ b/tools/install_gcc_539_thumb
@@ -16,6 +16,8 @@ if [ "`which gmake`" != "" ]; then
         MAKE=gmake
 fi
 
+export CFLAGS="-O2 -pipe -std=gnu89"
+
 while read a
 do
   echo "$a"