buildroot/boot/afboot-stm32/0003-Makefile-disable-stack-protector.patch

From d65b07d6fe438e760fdbc33a8e42650a27d5b417 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sat, 31 Dec 2022 11:09:38 +0100
Subject: [PATCH] Makefile: disable stack-protector

Disable stack-protector to avoid the following build failure:

/home/autobuild/autobuild/instance-14/output-1/host/bin/arm-buildroot-linux-gnueabi-ld -T stm32f429.lds --gc-sections -o stm32f469i-disco.elf stm32f469i-disco.o gpio.o mpu.o qspi.o start_kernel.o usart-f4.o
/home/autobuild/autobuild/instance-14/output-1/host/bin/arm-buildroot-linux-gnueabi-ld: stm32f469i-disco.o: in function `main':
stm32f469i-disco.c:(.text.startup.main+0x3b0): undefined reference to `__stack_chk_guard'
/home/autobuild/autobuild/instance-14/output-1/host/bin/arm-buildroot-linux-gnueabi-ld: stm32f469i-disco.c:(.text.startup.main+0x4c0): undefined reference to `__stack_chk_fail'
/home/autobuild/autobuild/instance-14/output-1/host/bin/arm-buildroot-linux-gnueabi-ld: stm32f469i-disco.c:(.text.startup.main+0x4ec): undefined reference to `__stack_chk_guard'

Fixes:
 - http://autobuild.buildroot.org/results/fa6ffab24c3998f21034ab24e8d2852cacde08c1

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 8f42be1..8da7a25 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@ CFLAGS := -mthumb -mcpu=cortex-m4
 CFLAGS += -ffunction-sections -fdata-sections
 CFLAGS += -Os -std=gnu99 -Wall
 CFLAGS += -fno-builtin
+CFLAGS += -fno-stack-protector
 LINKERFLAGS := --gc-sections
 
 obj-y += gpio.o mpu.o qspi.o start_kernel.o
-- 
2.35.1