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Re: [RFC PATCH 4/7] kconfig: support new special property shell=

On 02/12/2018 07:24 AM, Kees Cook wrote:
> On Mon, Feb 12, 2018 at 6:39 AM, Masahiro Yamada
> <yamada.masahiro@xxxxxxxxxxxxx> wrote:

>>> (And in thinking about this, does Kconfig know the true $CC in use?
>>> i.e. the configured cross compiler, etc?)
>> I was thinking of removing CONFIG_CROSS_COMPILE.
>> A user can dynamically change CROSS_COMPILE from
>> "make menuconfig".
> Most builds I've seen implement cross compilers as an environment
> variable during all "make" invocations.

I agree. I think you would break a bunch of build bots if you remove that.

>> If we continue to support this, $CC changes
>> according to CONFIG_CROSS_COMPILE.
>> Then, compiler flags must be re-evaluated
>> every time a user changes a compiler in use.
>> It will introduce much more complexity.
> Right now, this is just handled in the Makefile: all the right
> variables exist, etc.
> -Kees