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

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Message-Id: <1193910013.8587.28.camel@gaivota>
Date:	Thu, 01 Nov 2007 07:40:13 -0200
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Trent Piepho <xyzzy@...akeasy.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

Hi Ingo,

On Qui, 2007-11-01 at 10:01 +0100, Ingo Molnar wrote:
> * 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.

Trent generated a patch for it. I'll update it soon my -git. You should
notice that there were one change at av7110 that need to be applied
before Trent's patch, otherwise the saa7146 stuff will be broken if V4L1
is not selected.

-- 
Cheers,
Mauro

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