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From: Nilesh Govindrajan <me@nileshgr.com>
Date: Sat, 9 Mar 2013 15:14:47 +0530
Message-ID: <CAHgBc-v+HOpgFzcH2zvDZh1jSv4Zrq_gboSN3Jm_V+ztm55Neg@mail.gmail.com>
Subject: Re: [gentoo-user] "auto-config" of new gentoo-sources?
To: Gentoo User Mailing List <gentoo-user@lists.gentoo.org>
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On Sat, Mar 9, 2013 at 2:39 PM, Graham Murray <graham@gmurray.org.uk> wrote:
> Mike Gilbert <floppym@gentoo.org> writes:
>
>> On Fri, Feb 22, 2013 at 1:52 PM, Jarry <mr.jarry@gmail.com> wrote:
>>> So my question is: how is this possible? Is maybe ".config"
>>> file from the old sources-tree copied to new sources-tree?
>>> Or is the actual configuration of running kernel somehow
>>> detected and ".config" file generated?
>>>
>>
>> The latter. Have a look at DEFCONFIG_LIST init/Kconfig.
>
> So is it no longer necessary to run 'zcat /proc/config.gz > .config' to
> transfer the current configuration as a 'seed' when installing a new
> kernel?
>
That is porting your existing config to new kernel. You can't miss the
step, lol.
If you have genkernel, the simplest one would be
genkernel --kernel-config=/proc/config.gz
--
Nilesh Govindrajan
http://nileshgr.com