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Message-Id: <1386039493.1974.305@driftwood>
Date: Mon, 02 Dec 2013 20:58:13 -0600
From: Rob Landley <rob@...dley.net>
To: David Cohen <david.a.cohen@...ux.intel.com>
Cc: "Yann E. MORIN" <yann.morin.1998@...e.fr>,
linux-kbuild@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
mmarek@...e.cz, rostedt@...dmis.org
Subject: Re: make oldnoconfig fix?
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 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:
https://lwn.net/Articles/160497/
https://lwn.net/Articles/161086/
http://lkml.indiana.edu/hypermail/linux/kernel/0607.0/1805.html
Rob--
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