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

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Message-ID: <ed10ee420804300345r5d4566d2uff5c3f49f1c15107@mail.gmail.com>
Date:	Wed, 30 Apr 2008 03:45:57 -0700
From:	"SL Baur" <steve@...acs.org>
To:	"Andres Salomon" <dilinger@...ued.net>
Cc:	"Sam Ravnborg" <sam@...nborg.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Dave Jones" <davej@...emonkey.org.uk>,
	"Roland McGrath" <roland@...hat.com>
Subject: Re: Additional kconfig targets (cloneconfig, nonint_oldconfig etc)

On 4/29/08, Andres Salomon <dilinger@...ued.net> wrote:
> On Tue, 29 Apr 2008 20:35:31 +0200
>  Sam Ravnborg <sam@...nborg.org> wrote:

>  > And we add support for a new 'commandline' parameter
>  > 'K' so I can say:
>  >
>  > make K=/proc/config.gz defconfig
>  > make K=i386_defconfig  defconfig
>  > make K=i386_defconfig  oldconfig
>  > make K=/proc/config.gz newconfig
>  >
>  > So K is used to specify what config file we use
>  > to start out from.

I like this idea a lot.  I didn't like the hardcoded `.config' 13
years ago and I still
don't like it now.

>  Sounds good, I highly prefer specifying the config via env variable
>  rather than embedded in the target (ie, 'make olpc_defconfig').

Is there any reasonable way to embed the configuration file name in the kernel
image like BSD does it?  /proc/config.gz is a good way to retrieve way to
retrieve configuration information on a running system, not so good for pushing
kernels out to a network and keeping track of the config files on the build
machine.

I don't have any way of checking this now, but can /proc files like
/proc/config.gz
be exported via NFS or the equivalent?

-sb
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