when to use make olddefconfig

[Alexander Kapshuk]

On Sun, Apr 22, 2018 at 9:19 PM, Sumit Kumar <sumit686215 at gmail.com> wrote:
> Hi,
>
> I was going through this link :
> https://kernelnewbies.org/OutreachyfirstpatchSetup , and came across the
> make olddefconfig cmd. The explanation on the web page is very confusing.
> Can anyone please explain in simpler way when "make olddefconfig" cmd is
> intended to be used ? The webpage says this : If you need to make any
> changes to your configuration, run this command to silently update any new
> configuration values to their default.
>
>
> --
>
> Thanks and Regards,
>
> Sumit
>
>
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make help | sed '/olddefconfig/!d;N'
 olddefconfig    - Same as oldconfig but sets new symbols to their
                   default value without prompting