linux-kernel - Re: [build bug, 2.6.24-rc1] CONFIG_VIDEO_DEV=m & CONFIG_VIDEO_SAA7146

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Message-ID: <20071101090142.GA13009@elte.hu>
Date:	Thu, 1 Nov 2007 10:01:42 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Trent Piepho <xyzzy@...akeasy.org>
Cc:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Linux Kernel Mailing list <linux-kernel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Johannes Stezenbach <js@...uxtv.org>
Subject: Re: [build bug, 2.6.24-rc1] CONFIG_VIDEO_DEV=m &
	CONFIG_VIDEO_SAA7146_VV=y


* Trent Piepho <xyzzy@...akeasy.org> wrote:

> On Fri, 26 Oct 2007, Ingo Molnar wrote:
> > the attached config (generated via make randconfig) fails to build due
> > to the combination of these config entries:
> >
> >   CONFIG_VIDEO_DEV=m
> >   CONFIG_VIDEO_SAA7146_VV=y
> >
> > i found no obvious Kconfig way to force VIDEO_SAA7146_VV to be modular
> > when VIDEO_DEV is modular - is there a good solution for this?
> 
> I guess you didn't like my reply to your first message about this?
> 
> http://lkml.org/lkml/2007/10/7/145
> 
> kbuild support for modules used as libraries is really poor.  The only 
> way to do is use select on the library module, and then have all the 
> dependencies of the selectee be included in the selector, which must 
> be done recursively so that any modules selected by the selectee have 
> their dependencies added to the selector.

any patch for me to try? This bug is blocking automated randconfig 
build-testing quite frequently so it's quite a showstopper.

	Ingo
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