Re: [PATCH] kconfig: change .config format to use =n instead of "is not set"

From: Masahiro Yamada
Date: Wed Mar 02 2022 - 19:02:51 EST


On Wed, Mar 2, 2022 at 10:17 PM Boris Kolpackov <boris@xxxxxxxxxxxxxxxxx> wrote:
>
> Masahiro Yamada <masahiroy@xxxxxxxxxx> writes:
>
> > With this commit, Kconfig will output disable options in a more natural
> > form, "CONFIG_FOO=n".
>
> While I agree with the overall direction, I was wondering how this
> relates to string and int/hex options. It appears that they either
> have a value or are not written to the .config at all, for example,
> if the option is disabled via the `depends on` attribute. At first
> I thought this would be inconsistent (i.e., =n for bool and omitted
> for string), but it appears a disabled bool option is also omitted.
> Hopefully the fact that sometimes a false bool option is =n and
> sometimes it's omitted won't surprise anyone.


Options with unmet 'depends on' are all omitted in the .config
It is consistent for all types.





>
> Reviewed-by: Boris Kolpackov <boris@xxxxxxxxxxxxxxxxx>




--
Best Regards
Masahiro Yamada