Re: [PATCH 21/30] stack-protector: test compiler capability in Kconfig and drop AUTO mode

From: Kees Cook
Date: Sun Apr 15 2018 - 12:04:53 EST


On Sun, Apr 15, 2018 at 6:28 AM, Masahiro Yamada
<yamada.masahiro@xxxxxxxxxxxxx> wrote:
> In my Makefile ...
>
> stackp-flags-$(CONFIG_CC_HAS_STACKPROTECTOR_NONE) := -fno-stack-protector
> stackp-flags-$(CONFIG_CC_STACKPROTECTOR) := -fstack-protector
> stackp-flags-$(CONFIG_CC_STACKPROTECTOR_STRONG) := -fstack-protector-strong
>
> KBUILD_CFLAGS += $(stackp-flags-y)
>
> the last one is picked.

Ah! Yes, sorry for the noise. I see the := instead of += now. Thanks!

-Kees

--
Kees Cook
Pixel Security