* Re: [gentoo-user] Using an old kernel .config as the basis for a new .config
@ 2017-12-28 20:13 99% ` Alan Mackenzie
0 siblings, 0 replies; 1+ results
From: Alan Mackenzie @ 2017-12-28 20:13 UTC (permalink / raw
To: gentoo-user
Hello, Jack.
On Thu, Dec 28, 2017 at 15:05:04 -0500, Jack wrote:
> On 2017.12.28 14:52, Alan Mackenzie wrote:
> > Hello, Gentoo.
> > Having just built linux-4.14.7-gentoo, suddenly a new version of the
> > kernel, linux-4.14.8-gentoo-r1 has become stable. Configuring a
> > kernel from scratch is a repetitive drudge.
> > There is some way of initialising a new kernel .config from an
> > existing one, I am sure, but I can't find it. I've looked at the
> > Gentoo wiki, I've looked at (some of) the kernel's own
> > documentation. The nearest I can find is make oldconfig, which
> > supposedly does what I want, but it just seems to start off with a
> > default .config and go through the hundreds of questions one at a
> > time.
> > So, would some kind soul please tell me how to get my old .config
> > into a new one properly. Thanks!
> You need to copy your old .config into the new kernel source
> directory. "make oldconfig" then uses those values, and only asks you
> about new items. It sounds like it was asking about everything because
> it didn't have the old file as a starting point - so was starting from
> scratch.
Thanks, that was exactly what I needed. In the end, the configurer
didn't ask any questions. It looks like there were no new options
introduced by 4.18.8-r1.
> Jack
--
Alan Mackenzie (Nuremberg, Germany).
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2017-12-28 19:52 [gentoo-user] Using an old kernel .config as the basis for a new .config Alan Mackenzie
2017-12-28 20:05 ` Jack
2017-12-28 20:13 99% ` Alan Mackenzie
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