linux-kernel - Re: [patch, -git] drivers/media build fix for modular builds

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Message-Id: <1209545784.31419.2.camel@marge.simson.net>
Date:	Wed, 30 Apr 2008 10:56:24 +0200
From:	Mike Galbraith <efault@....de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	David Miller <davem@...emloft.net>, mchehab@...radead.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux-dvb-maintainer@...uxtv.org, video4linux-list@...hat.com,
	linux-kernel@...r.kernel.org, sfr@...b.auug.org.au,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [patch, -git] drivers/media build fix for modular builds


On Wed, 2008-04-30 at 10:42 +0200, Mike Galbraith wrote:
> On Wed, 2008-04-30 at 10:27 +0200, Mike Galbraith wrote:
> > On Wed, 2008-04-30 at 10:13 +0200, Ingo Molnar wrote:
> > > * David Miller <davem@...emloft.net> wrote:
> > > 
> > > > From: Ingo Molnar <mingo@...e.hu>
> > > > Date: Wed, 30 Apr 2008 09:48:07 +0200
> > > > 
> > > > > 
> > > > > fix allmodconfig build bug introduced in latest -git by commit 
> > > > > 7c91f0624a9 ("V4L/DVB(7767): Move tuners to common/tuners"):
> > > > > 
> > > > >   LD      kernel/built-in.o
> > > > >   LD      drivers/built-in.o
> > > > >   ld: drivers/media/built-in.o: No such file: No such file or directory
> > > > > 
> > > > > which happens if all media drivers are modular:
> > > > 
> > > > I was seeing this too, as I think was Stephen Rothwell.
> > > 
> > > i think any build which has the media drivers only as modules will 
> > > trigger it, so it's rather widespread. My fix has held up fine for 10 
> > > randconfigs so far so it should do the trick.
> > 
> > You also have to make clean after today's pull or...
> > 
> > Kernel: arch/x86/boot/bzImage is ready  (#3)
> > ERROR: "tea5761_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "tea5761_autodetection" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "microtune_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "simple_tuner_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "tda9887_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "tea5767_autodetection" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "xc5000_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "xc2028_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "tda829x_probe" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "tda829x_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "tea5767_attach" [drivers/media/video/tuner.ko] undefined!
> > ERROR: "xc2028_attach" [drivers/media/video/saa7134/saa7134-dvb.ko] undefined!
> > ERROR: "simple_tuner_attach" [drivers/media/video/saa7134/saa7134-dvb.ko] undefined!
> > ERROR: "tda827x_attach" [drivers/media/video/saa7134/saa7134-dvb.ko] undefined!
> 
> Hm, so I thought.  Error is constant.  Going back to .yesterday.

Turning CONFIG_MEDIA_ATTACH on fixed it.  I must have switched it somehow before.


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