linux-kernel - Re: [PATCH 1/5] [PATCH 1/5] kconfig: Make localmodconfig handle environment variables

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Date:	Thu, 25 Nov 2010 16:45:53 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Arnaud Lacombe <lacombar@...il.com>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kbuild@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>,
	Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: [PATCH 1/5] [PATCH 1/5] kconfig: Make localmodconfig handle environment
 variables

On 9.11.2010 01:49, Steven Rostedt wrote:
> On Sun, 2010-10-31 at 18:05 -0400, Arnaud Lacombe wrote:
>> Hi,
> 
>>> But you are right. After KS and Plumbers, I'll work on doing something
>>> like that. That can probably solve some of the other issues I'm having
>>> (still keeping too many modules enabled).
>>>
>> I have some work in progress in this area: cleanup, better split
>> between the kconfig backend and frontend, and eventually a perl
>> binding. That would all be an interesting goal for .38 :-)
>>
>> Currently I got the parser working within perl, but I'm not really
>> really sure of what I can currently do with it and how the whole thing
>> interface to one another :)
> 
> Let me know what you got, I would really like localmodconfig to have
> this back end. It should really help get a minimal config as well.

What information does localmodconfig need? A list of config options and
their computed dependencies and a flag for each option if it has prompt,
anything else? So a scripts/kconfig/conf --dump-kconfig that would
produce such flat list should suffice, without the complexity of having
to build a perl binding first (and would be usable from bash/awk/python
scripts as well). What do you think?

Michal
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