linux-kernel - Re: Additional kconfig targets (cloneconfig, nonint

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Date:	Wed, 21 May 2008 16:47:03 -0400
From:	Andres Salomon <dilinger@...ued.net>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	linux-kbuild <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...emonkey.org.uk>,
	Roland McGrath <roland@...hat.com>,
	Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: Additional kconfig targets (cloneconfig, nonint_oldconfig etc)

On Fri, 2 May 2008 21:09:49 +0200
Sam Ravnborg <sam@...nborg.org> wrote:

> With the attached patch you can do:
> 
> make K=my_favourite_config defconfig
> 
> kconfig will read all config values form 'my_favourite_config'
> and set all other symbols to their default value.
> The output is now dense like this:
> # configuration is based on 'my_favourite_config'
> #
> # configuration written to .config
> #
> 


Is this slated for 2.6.27?


> 
> The K= notations works for the usual suspects:
> allnoconfig, allyesconfig, allmodconfig, randconfig and defconfig

Since this is aconf (automated), if we run 'make K=foo defconfig' and
'foo' doesn't contain one of the necessary values.. the build will fail,
right?

[...]
> 
> What is missing:
> 1) No support for .gz input file
>    But aconf.sh should be easy to adjust to this
> 
> 2) We hardcode that files name *_defconfig are found
>    in arch/$ARCH/configs/*
> 
> 3) Implement newsymbolsconfig (any better name?)
>    Shall list all new symbols and shall not write
>    any config
> 

I'm not sure I see the point of #3.
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