kbuild: explicit turn off gcc stack-protector



Ubuntu has enabled -fstack-protector per default in gcc
breaking kernel build. Explicit turn it off for now.
Later we may decide to make it configurable if the
kernel starts to support it.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

parent 701842e3

Makefile

+3 −0

Original line number	Diff line number	Diff line
		@@ -309,6 +309,9 @@ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)

		CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
		-fno-strict-aliasing -fno-common
		# Force gcc to behave correct even for buggy distributions
		CFLAGS += $(call cc-option, -fno-stack-protector-all \
		-fno-stack-protector)
		AFLAGS := -D__ASSEMBLY__

		# Read KERNELRELEASE from include/config/kernel.release (if it exists)