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SubjectDependency bug in the uvcvideo Kconfig
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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@yahoo.com

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