Re: make oldnoconfig fix?

[David Cohen <david.a.cohen@linux.intel.com>]

On 12/02/2013 06:58 PM, Rob Landley wrote:
> On 11/11/2013 12:55:37 PM, David Cohen wrote:
>> On 11/11/2013 10:13 AM, Yann E. MORIN wrote:
>>> David, All,
>>
>> Hi Yann,
>>
>>>
>>> On 2013-11-11 10:11 -0800, David Cohen spake thusly:
>>>> Is there a plan to fix 'make oldnoconfig' option?
>>>> I currently have need to it :)
>>>> I've tracked a thread fixing 'make olddefconfig' where 'oldnoconfig'
>>>> option is reported as a known bug, right?
>>>
>>> Sorry, I don't understand what your problem is.
>>
>> Maybe I assumed it was more 'known' then it actually is :)
>>
>>>
>>> Care to explain in details what problem you have:
>>>    - what you start with
>>>    - what you do
>>>    - what you get
>>>    - what you expected
>>
>> The bug with 'oldnoconfig' is: 'make oldnoconfig' is just an alias to
>> 'olddefconfig'. Any non-existent config is defined with its default
>> value instead of 'N'.
>>
>> I work with embedded platforms. I need to maintain a set of defconfigs
>> for different products (customers some times want tailored configs, so
>> creating a generic one isn't an option always).
> 
> make allnoconfig KCONFIG_ALLCONFIG=oldconfigfile

I'll give it a try. Thanks!

> 
> I use this trick in http://landley.net/aboriginal/FAQ.html#dev_miniconfig
> 
> And yes, I submitted it upstream a couple times last decade, with
> documentation and everything:

You could send it again.
But maybe oldnoconfig would be a better name WRT current standard.

Br, David

> 
>   https://lwn.net/Articles/160497/
>   https://lwn.net/Articles/161086/
>   http://lkml.indiana.edu/hypermail/linux/kernel/0607.0/1805.html
> 
> Rob