linux-kernel - Re: linux-next: Tree for May 1 (media/usb/stk1160)

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Date:	Wed, 01 May 2013 13:58:26 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	"Yann E. MORIN" <yann.morin.1998@...e.fr>
CC:	David Rientjes <rientjes@...gle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-media <linux-media@...r.kernel.org>,
	linux-kbuild@...r.kernel.org
Subject: Re: linux-next: Tree for May 1 (media/usb/stk1160)

On 05/01/13 13:53, Yann E. MORIN wrote:
> Randy, All,
> 
> On Wed, May 01, 2013 at 01:23:25PM -0700, Randy Dunlap wrote:
>> On 05/01/13 12:58, David Rientjes wrote:
>>> On Wed, 1 May 2013, Yann E. MORIN wrote:
>>>
>>>>> When CONFIG_SND=m and CONFIG_SND_AC97_CODEC=m and
>>>>> CONFIG_VIDEO_STK1160=y
>>>>> CONFIG_VIDEO_STK1160_AC97=y
>>>>>
>>>>> drivers/built-in.o: In function `stk1160_ac97_register':
>>>>> (.text+0x122706): undefined reference to `snd_card_create'
>>>>> drivers/built-in.o: In function `stk1160_ac97_register':
>>>>> (.text+0x1227b2): undefined reference to `snd_ac97_bus'
>>>>> drivers/built-in.o: In function `stk1160_ac97_register':
>>>>> (.text+0x1227cd): undefined reference to `snd_card_free'
>>>>> drivers/built-in.o: In function `stk1160_ac97_register':
>>>>> (.text+0x12281b): undefined reference to `snd_ac97_mixer'
>>>>> drivers/built-in.o: In function `stk1160_ac97_register':
>>>>> (.text+0x122832): undefined reference to `snd_card_register'
>>>>> drivers/built-in.o: In function `stk1160_ac97_unregister':
>>>>> (.text+0x12285e): undefined reference to `snd_card_free'
>>>>>
>>>>>
>>>>> This kconfig fragment:
>>>>> config VIDEO_STK1160_AC97
>>>>> 	bool "STK1160 AC97 codec support"
>>>>> 	depends on VIDEO_STK1160 && SND
> 
> BTW, can you check that:
>     make silentoldconfig
> does not warn about unmet dependencies for those symbols?

'make silentoldconfig' on the config file that I am using only gives me this:

warning: (VIDEO_EM28XX) selects VIDEO_MT9V011 which has unmet direct dependencies (MEDIA_SUPPORT && I2C && VIDEO_V4L2 && MEDIA_CAMERA_SUPPORT)


>>> This doesn't depend on SND, it depends on SND=y.
>>
>> Maybe this option *should* depend on SND=y, but that's not what the
>> kconfig syntax says.
> 
> I'd say  Documentation/kbuild/kconfig-language.txt  is not complete wrt
> the current syntax, grammar and semantics of the language. :-(

OK, that's not surprising.

thanks,
-- 
~Randy
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