linux-kernel - Re: [PATCH] [1/3] KBUILD: Add script to manipulate .config files on the command line

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Date:	Wed, 7 Jan 2009 21:18:49 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [1/3] KBUILD: Add script to manipulate .config files on the command line

On Sat, Jan 03, 2009 at 03:21:41AM +0100, Andi Kleen wrote:
> 
> I often change single options in .config files. Instead of using
> an editor or one of the frontends it's convenient to do this from
> the command line. It's also useful to do from automated build scripts
> when building different variants from a base config file.
> 
> I extracted most of the CONFIG manipulation code from one of my
> build scripts into a new shell script scripts/config
> 
> The script is not integrated with the normal Kconfig machinery
> and doesn't do any checking against Kconfig files, but just manipulates
> that text format. This is always done at make time anyways.
> 
> I believe this script would be a useful standard addition for scripts/*
> 
> Sample usage:
> 
> ./scripts/config --disable smp 
> Disable SMP in .config file
> 
> ./scripts/config --file otherdir/.config --module e1000e
> Enable E1000E as module in otherdir/.config
> 
> ./scripts/config --state smp
> y 
> Check state of config option CONFIG_SMP
> 
> After merging into git please make scripts/config executable
> 
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>

When I try to run the script with no arguments nothing happens!?!

I will merge as is but please followup with a patch so it prints out usage
in this situation.

	Sam
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