Re: [RFC][PATCH] kconfig: introduce listunknownconfig

[Sergey Senozhatsky]

On (23/08/26 10:10), Masahiro Yamada wrote:
> 
> I am considering how to implement it.
> 
> One way is to add env variables as a new request arises.
> 
> Sergey is doing two things by one option.
> 
>    KCONFIG_WARN_UNKNWON_SYMBOL : warn unknown symbol in input .config
> or defconfig
>    KCONFIG_WARN_TO_ERROR       : turn warnings into errors
> 
> Another way is to handle those as command line options.
> 
>   -Wunknown-symbol
>   -Werror             (associated with W=e)
>   -Wall               (associated with W=1)
> 
>   $ make W=1e olddefconfig
> 
> will work to sanity check.

Sounds good. Being able to choose whether those sanity checks are
warnings or errors is quite handful.

I don't have preferences as to implementation. Env variables seem to
have very clear and descriptive names. Command line options look fine
too. I'd probably prefer command line args.