[U-Boot] [PATCH v3] config.mk: fix -fstack-usage support test

[Albert ARIBAUD]

Hi Masahiro,

> > Regarding the patch itself, why a shell script rather than a variant
> > of cc-option?
> 
> I chose a shell script because I wanted to keep Makefile cleaner
> and this is the way Linux Kernel often uses.
> 
> Please refer to
>  - scripts/gcc-goto.sh
>  - scripts/gcc-version.sh
> etc. of Linux Kernel.

Understood, thanks.

> Best Regards
> Masahiro Yamada

Amicalement,
-- 
Albert.