linux-kernel - Re: [PATCH] Add ``cloneconfig'' target

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Date:	Sun, 27 Feb 2011 12:54:01 -0500
From:	Jeff Mahoney <jeffm@...e.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Arnaud Lacombe <lacombar@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] Add ``cloneconfig'' target

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On 02/27/2011 04:03 AM, Geert Uytterhoeven wrote:
> On Sat, Feb 26, 2011 at 23:18, Sam Ravnborg <sam@...nborg.org> wrote:
>> On Sat, Feb 26, 2011 at 02:47:01PM -0500, Arnaud Lacombe wrote:
>>> On Fri, Feb 25, 2011 at 1:07 AM, Sam Ravnborg <sam@...nborg.org> wrote:
>>>> We already have something remotely similar in kconfig.
>>>> We use the following list:
>>>> config DEFCONFIG_LIST
>>>>        string
>>>>        depends on !UML
>>>>        option defconfig_list
>>>>        default "/lib/modules/$UNAME_RELEASE/.config"
>>>>        default "/etc/kernel-config"
>>>>        default "/boot/config-$UNAME_RELEASE"
>>>>        default "$ARCH_DEFCONFIG"
>>>>        default "arch/$ARCH/defconfig"
>>>>
>>> I may argue that anything within the Linux tree which point
>>> _by_default_ to something outside the tree itself is broken.
>> The above allows the average user to just type "make menuconfig"
>> and then the configuration of the current kernel is presented to
>> the user. This is convinient in many cases.
>> We know the /proc/config.gz is an incresingly popular way to gain
>> access to the configuration of the running kernel. So extending
>> the already know and working way to obtaing the configuration
>> of the running kernel to suppport /proc/config.gz is logical.
> 
> Does this detect cross-compiling? The 'depends on !UML' triggered me...

No, and it never has. The DEFCONFIG_LIST feature has been mostly
unaltered since it was added in Jun 2006. Prior to that it was hardcoded
into scripts/kconfig/confdata.c since before 2002.

- -Jeff

- -- 
Jeff Mahoney
SUSE Labs
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