linux-kernel - Re: Dependency bug in the uvcvideo Kconfig

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Date:	Wed, 18 Sep 2013 15:52:36 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Peter Senna Tschudin <peter.senna@...il.com>
CC:	"Jeff P. Zacher" <ad_sicks@...oo.com>,
	linux-kernel@...r.kernel.org,
	linux-media <linux-media@...r.kernel.org>
Subject: Re: Dependency bug in the uvcvideo Kconfig

On 09/18/13 08:37, Peter Senna Tschudin wrote:
> Hi Randy,
> 
> I've tried to download the .config file from the link on the forum,
> but it tries to install something in my browser and the file is not
> downloadable for me. Can you provide it over an simpler interface such
> as pastebin.com?
> 
> Thanks

The original poster (Jeff) should have mentioned that is is a build bug problem in
Linux 3.5.4.  Jeff, have you tried 3.5.7?  I expect that this problem is already
fixed, if not in 3.5.x then in some later kernel version.

Jeff, also please provide the kernel .config file as an attachment here since
the one posted in the forum does not download (or has been deleted).


> On Wed, Sep 18, 2013 at 4:59 PM, Randy Dunlap <rdunlap@...radead.org> wrote:
>> [adding linux-media mailing list]
>>
>>
>> On 09/18/13 06:18, Jeff P. Zacher wrote:
>>> Not subscribed, please CC'me in replies:
>>>
>>> There seems to be a dependency bug in the Kconfig for the uvcvideo kernel
>>> module.  If uvcvideo is built in and usb support is built as a module, the
>>> kernel build will fail with the obviously missing dependanies.
>>>
>>>
>>> Error logs:
>>>
>>> * ERROR: Failed to compile the "bzImage" target...
>>> *
>>> * -- Grepping log... --
>>> *
>>> *  SHIPPED scripts/genksyms/keywords.hash.c
>>> *  SHIPPED scripts/genksyms/parse.tab.h
>>> *  SHIPPED scripts/genksyms/parse.tab.c
>>> *  HOSTCC  scripts/genksyms/lex.lex.o
>>> *scripts/genksyms/lex.lex.c_shipped: In function ‘yylex1’:
>>> *scripts/genksyms/lex.lex.c_shipped:904:1: warning: ignoring return value of
>>> ‘fwrite’, declared with attribute warn_unused_result [-Wunused-result]
>>> *--
>>> *  CC      drivers/video/console/font_8x16.o
>>> *  CC      drivers/video/console/softcursor.o
>>> *  CC      sound/core/seq/seq_memory.o
>>> *  CC      drivers/video/console/fbcondecor.o
>>> *  CC      sound/core/seq/seq_queue.o
>>> *drivers/video/console/fbcondecor.c:511:6: warning: function declaration isn’t
>>> a prototype [-Wstrict-prototypes]
>>> *--
>>> *(.text+0xf8fb1): undefined reference to `usb_submit_urb'
>>> *drivers/built-in.o: In function `uvc_init':
>>> *uvc_driver.c:(.init.text+0x908a): undefined reference to
>>> `usb_register_driver'
>>> *drivers/built-in.o: In function `uvc_cleanup':
>>> *uvc_driver.c:(.exit.text+0x67e): undefined reference to `usb_deregister'
>>> *make: *** [vmlinux] Error 1
>>> *--
>>> * Running with options: --lvm --menuconfig all
>>> * Using genkernel.conf from /etc/genkernel.conf
>>> * Sourcing arch-specific config.sh from
>>> /usr/share/genkernel/arch/x86_64/config.sh ..
>>> * Sourcing arch-specific modules_load from
>>> /usr/share/genkernel/arch/x86_64/modules_load ..
>>> *
>>> * ERROR: Failed to compile the "bzImage" target...
>>> *
>>> * -- End log... --
>>>
>>> Compiling uvc as a module allows the compilation to complete.
>>>
>>> Platform x86_64
>>>
>>> Ref: http://forums.gentoo.org/viewtopic-p-7398782.html#7398782
>>>
>>>
>>> -- Jeff P. Zacher
>>> ad_sicks@...oo.com


-- 
~Randy
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