cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
stackp-y := -fstack-protector
- stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all
KBUILD_CFLAGS += $(stackp-y)
else
$(warning stack protector enabled but no compiler support)