[PATCH] Makefile: unconditionally disable SSP

Fabrice Fontaine fontaine.fabrice at gmail.com
Sat May 15 09:16:38 BST 2021


Though -nostdlib is passed in CFLAGS, -fno-stack-protector must also be
passed to avoid linking errors related to undefined references to
'__stack_chk_guard' and '__stack_chk_fail' if toolchain enforces
-fstack-protector.

Fixes:
 - https://gitlab.com/kubu93/buildroot/-/jobs/1247043359

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index eeffe6b..6b64205 100644
--- a/Makefile
+++ b/Makefile
@@ -203,7 +203,7 @@ GENFLAGS	+=	$(libsbiutils-genflags-y)
 GENFLAGS	+=	$(platform-genflags-y)
 GENFLAGS	+=	$(firmware-genflags-y)
 
-CFLAGS		=	-g -Wall -Werror -ffreestanding -nostdlib -fno-strict-aliasing -O2
+CFLAGS		=	-g -Wall -Werror -ffreestanding -nostdlib -fno-stack-protector -fno-strict-aliasing -O2
 CFLAGS		+=	-fno-omit-frame-pointer -fno-optimize-sibling-calls
 CFLAGS		+=	-mno-save-restore -mstrict-align
 CFLAGS		+=	-mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
-- 
2.30.2




More information about the opensbi mailing list