From a98f21ec5e8356ac123d0f62ec67cdf83b783240 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Wed, 15 Aug 2018 16:09:10 -0500
Subject: [PATCH] Marlin assumes signed chars

---
 Marlin/Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Marlin/Makefile b/Marlin/Makefile
index bc0b85a76..da3897e80 100644
--- a/Marlin/Makefile
+++ b/Marlin/Makefile
@@ -574,9 +574,8 @@ CSTANDARD = -std=gnu99
 CXXSTANDARD = -std=gnu++11
 CDEBUG = -g$(DEBUG)
 CWARN = -Wall -Wstrict-prototypes
-CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct \
-	-fshort-enums -w -ffunction-sections -fdata-sections \
-	-flto \
+CTUNING = -w -fsigned-char -funsigned-bitfields -fpack-struct \
+	-fshort-enums -ffunction-sections -fdata-sections -flto \
 	-DARDUINO=$(ARDUINO_VERSION)
 ifneq ($(HARDWARE_MOTHERBOARD),)
 CTUNING += -DMOTHERBOARD=${HARDWARE_MOTHERBOARD}