If you unset CONFIG_VIDEO_DEV in your kernel config, linux-uvc still attempts to compile, and results in many undefined symbols. wu-ming linux # grep CONFIG_VIDEO_DEV .config # CONFIG_VIDEO_DEV is not set wu-ming linux # cat /var/log/portage/media-video\:linux-uvc-0.0.1_pre51\:20060926-033216.log * Determining the location of the kernel source code * Found kernel source directory: * /usr/src/linux * Found sources for kernel version: * 2.6.17-beyond4 >>> Unpacking source... >>> Unpacking linux-uvc-0.0.1_pre51.tar.bz2 to /var/tmp/portage/linux-uvc-0.0.1_pre51/work >>> Source unpacked. >>> Compiling source in /var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51 ... * Preparing uvcvideo module Building USB Video Class driver... make[1]: Entering directory `/usr/src/linux-2.6.17-beyond4' make[1]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. CC [M] /var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.o Building modules, stage 2. MODPOST WARNING: "v4l_printk_ioctl" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! WARNING: "video_devdata" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! WARNING: "video_register_device" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! WARNING: "video_device_alloc" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! WARNING: "video_usercopy" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! WARNING: "video_unregister_device" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! WARNING: "video_device_release" [/var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko] undefined! CC /var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.mod.o LD [M] /var/tmp/portage/linux-uvc-0.0.1_pre51/work/linux-uvc-0.0.1_pre51/uvcvideo.ko make[1]: Leaving directory `/usr/src/linux-2.6.17-beyond4' >>> Source compiled. >>> Test phase [not enabled]: media-video/linux-uvc-0.0.1_pre51 >>> Install linux-uvc-0.0.1_pre51 into /var/tmp/portage/linux-uvc-0.0.1_pre51/image/ category media-video * Installing uvcvideo module >>> Completed installing linux-uvc-0.0.1_pre51 into /var/tmp/portage/linux-uvc-0.0.1_pre51/image/ man: strip: x86_64-pc-linux-gnu-strip --strip-unneeded * Updating module dependencies for 2.6.17-beyond4 ... WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol video_devdata WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol v4l_printk_ioctl WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol video_unregister_device WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol video_device_alloc WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol video_register_device WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol video_usercopy WARNING: //lib/modules/2.6.17-beyond4/usb/media/uvcvideo.ko needs unknown symbol video_device_release [ ok ] * Adding module to moduledb. * This is SVN checkout build -- against revision: 51 * If something is broken, you should get involved, and report * back to the mailing list linux-uvc-devel@lists.berlios.de
thanks, fixed
