Re: randconfig build error with next-20140826, in Documentation/video4linux
From: Randy Dunlap <hidden>
Date: 2014-08-27 17:25:45
Also in:
linux-media, lkml
On 08/27/14 10:17, Mauro Carvalho Chehab wrote:
Em Wed, 27 Aug 2014 07:36:05 -0700 Randy Dunlap [off-list ref] escreveu:quoted
On 08/27/14 03:58, Sudip Mukherjee wrote:quoted
On Tue, Aug 26, 2014 at 09:50:43AM -0700, Jim Davis wrote:quoted
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.htmlHi, 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.It makes sense to add a depends on BUILD_DOCSRC, PCI and MEDIA_V4L2 inside the docs Makefile, instead of moving the Kconfig to drivers/media, IMHO.
No, the dependencies should be in a Kconfig file, not in a Makefile. If you insist, I'll look into moving the Kconfig contents into Documentation/. -- ~Randy