Re: randconfig build error with next-20140826, in Documentation/video4linux

[Randy Dunlap]

On 08/27/14 03:58, Sudip Mukherjee wrote:
> On Tue, Aug 26, 2014 at 09:50:43AM -0700, Jim Davis wrote:
>> Building with the attached random configuration file,
>>
>> ERROR: "vb2_ops_wait_finish"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ops_wait_prepare"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_event_unsubscribe"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_ctrl_subscribe_event"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_ctrl_log_status"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_streamoff"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_streamon"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_create_bufs"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_dqbuf"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_expbuf"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_qbuf"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_querybuf"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_ioctl_reqbufs"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_fop_release"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_fh_open" [Documentation/video4linux/v4l2-pci-skeleton.ko]
>> undefined!
>> ERROR: "vb2_fop_mmap" [Documentation/video4linux/v4l2-pci-skeleton.ko]
>> undefined!
>> ERROR: "video_ioctl2" [Documentation/video4linux/v4l2-pci-skeleton.ko]
>> undefined!
>> ERROR: "vb2_fop_poll" [Documentation/video4linux/v4l2-pci-skeleton.ko]
>> undefined!
>> ERROR: "vb2_fop_read" [Documentation/video4linux/v4l2-pci-skeleton.ko]
>> undefined!
>> ERROR: "vb2_buffer_done"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "__video_register_device"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "video_device_release_empty"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_dma_contig_init_ctx"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_queue_init"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_dma_contig_memops"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_ctrl_new_std"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_ctrl_handler_init_class"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_device_register"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_match_dv_timings"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_find_dv_timings_cap"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_valid_dv_timings"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_enum_dv_timings_cap"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "video_devdata"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_device_unregister"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "vb2_dma_contig_cleanup_ctx"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "v4l2_ctrl_handler_free"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> ERROR: "video_unregister_device"
>> [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
>> make[1]: *** [__modpost] Error 1
>> make: *** [modules] Error 2
>>
>> Similar to a build error from January 7th:
>> https://lists.01.org/pipermail/kbuild-all/2014-January/002566.html
> 
> Hi,
> I tried to build next-20140826 with your given config file . But for me everything was fine.
> And I was just wondering why the skeleton code in the Documentation is building ?

It builds if the Kconfig symbol BUILD_DOCSRC is enabled.
Building of this module was just added to linux-next.


-- 
~Randy
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