Re: Dependency bug in the uvcvideo Kconfig

From: Randy Dunlap
Date: Wed Sep 18 2013 - 10:59:20 EST


[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 âyylex1â:
> *scripts/genksyms/lex.lex.c_shipped:904:1: warning: ignoring return value of
> âfwriteâ, 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 isnât
> 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@xxxxxxxxx


--
~Randy
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