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Date: Tue, 16 May 2017 12:57:08 +0200
From: Pavel Machek <pavel@ucw.cz>
To: Drew DeVault <sir@cmpwn.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Programatically modifying .config
Message-ID: <20170516105708.GA6314@amd>
References: <20170312203802.GB809@homura>
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On Sun 2017-03-12 16:38:02, Drew DeVault wrote:
> I'm in the research stage of making it so something to the effect of
> `make setconfig OPTION=3D"CONFIG_E100E=3Dy"` will work, bringing it up he=
re
> for some discussion first.
>=20
> Digging into the kconfig code, this seems feasible, but complicated. A
> simple solver of some sort will be necessary to make the Depends expr
> true, and this tool would also have to hit up the Selects and Implies
> lines.
>=20
> I expect there will be edge cases that this tool can't cope with, and
> I'm okay with just letting that be the case.
>=20
> Any thoughts?

You can prepend (or append?) desired config option to .config, then
run make oldconfig. And yes, script for automatically modifying
=2Econfig would be nice... as would be script to automatically do
"configuration bisect" (because some bugs are config dependend and
nasty).
									Pavel
--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

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