From 9a68f4463d590505bb751cafd8523eb8f497e6f2 Mon Sep 17 00:00:00 2001
From: Lukasz Kotasa <lukasz.kotasa@iopsys.eu>
Date: Wed, 19 Jan 2022 13:14:00 +0100
Subject: [PATCH] iopsys-econet: fix get_frame_engine_data error msg

patch from Econet
---
 iopsys-econet/rule.mak | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/iopsys-econet/rule.mak b/iopsys-econet/rule.mak
index 5543d2930..296117680 100644
--- a/iopsys-econet/rule.mak
+++ b/iopsys-econet/rule.mak
@@ -816,6 +816,8 @@ export COMPILE_TOOLCHAIN
 export ALIAS_TOOLCHAIN
 else
 COMPILE_TOOLCHAIN=$(ARCH)-openwrt-linux-$(TARGET_SUFFIX)-gcc
+BSP_CFLAGS+=-fsigned-char
+EXTRA_CFLAGS+=-fsigned-char
 export COMPILE_TOOLCHAIN
 endif
 
-- 
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