xref: /OK3568_Linux_fs/buildroot/package/am33x-cm3/0002-Makefile-unconditionally-disable-SSP.patch (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1From 6c3b05b74ccd49d8ba246bfef0c2e549b9f2bf7b Mon Sep 17 00:00:00 2001
2From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
3Date: Tue, 29 Oct 2019 16:14:18 +0100
4Subject: [PATCH] Makefile: unconditionally disable SSP
5
6Though -nostdlib is passed in $(CFLAGS), -fno-stack-protector must also be
7passed to avoid linking errors related to undefined references to
8'__stack_chk_guard' and '__stack_chk_fail' if toolchain enforces
9-fstack-protector.
10
11Fixes:
12 - http://autobuild.buildroot.net/results/3a3a21f3c35ea025e9b93e09c2454aed0ad31034
13
14Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
15---
16 Makefile | 3 ++-
17 1 file changed, 2 insertions(+), 1 deletion(-)
18
19diff --git a/Makefile b/Makefile
20index c3ec071..5226006 100644
21--- a/Makefile
22+++ b/Makefile
23@@ -16,7 +16,8 @@ INCLUDES = $(SRCDIR)/include
24 CFLAGS =-march=armv7-m -mcpu=cortex-m3 -mthumb -nostdlib -Wall -Wundef \
25 	-Werror-implicit-function-declaration -Wstrict-prototypes \
26 	-Wdeclaration-after-statement -fno-delete-null-pointer-checks \
27-	-Wempty-body -fno-strict-overflow  -g -I$(INCLUDES) -O2
28+	-Wempty-body -fno-strict-overflow -fno-stack-protector \
29+	-g -I$(INCLUDES) -O2
30 LDFLAGS =-nostartfiles -fno-exceptions -Tfirmware.ld
31
32 EXECUTABLE=am335x-pm-firmware.elf
33--
342.23.0
35
36