[Bug 1970983] Re: failed to build against linux-unstable=5.18.0-1.1: CONFIG_VIDEO_V4L2 obsoleted

[Łukasz Zemczak]

Hello You-Sheng, or anyone else affected,

Accepted v4l2loopback into jammy-proposed. The package will build now
and be available at
https://launchpad.net/ubuntu/+source/v4l2loopback/0.12.7-2ubuntu2~22.04.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: v4l2loopback (Ubuntu Jammy)
       Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-jammy

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https://bugs.launchpad.net/bugs/1970983

Title:
  failed to build against linux-unstable=5.18.0-1.1: CONFIG_VIDEO_V4L2
  obsoleted

Status in v4l2loopback package in Ubuntu:
  Fix Released
Status in v4l2loopback source package in Jammy:
  Fix Committed
Status in v4l2loopback source package in Kinetic:
  Fix Released

Bug description:
  In commit 9958d30f38b9 ("media: Kconfig: cleanup VIDEO_DEV
  dependencies"), VIDEO_V4L2 is now obsoleted and VIDEO_DEV should be
  used instead. This fails the added grep statement in bug 1964484
  evaluates to empty as always, and BUILD_EXCLUSIVE_KERNEL is therefore
  always set on those should not. The error messages will be like:

  II: dkms-build building v4l2loopback
  Creating symlink /tmp/kernel-vicamo-ce1c8356cf164-8jMF/build/debian/build/build-generic/_________________________dkms/build/v4l2loopback/0.12.5/source -> /tmp/kernel-vicamo-ce1c8356cf164-8jMF/build/debian/build/build-generic/_________________________dkms/source/v4l2loopback-0.12.5
  Error! The /tmp/kernel-vicamo-ce1c8356cf164-8jMF/build/debian/build/build-generic/_________________________dkms/build/v4l2loopback/0.12.5/5.18.0-2001-generic/x86_64/dkms.conf for module v4l2loopback includes a BUILD_EXCLUSIVE directive which does not match this kernel/arch.
  This indicates that it should not be built.
  debian/scripts/dkms-build: line 176: /tmp/kernel-vicamo-ce1c8356cf164-8jMF/build/debian/build/build-generic/_________________________dkms/build/v4l2loopback/0.12.5/build/make.log: No such file or directory
  make: *** [debian/rules.d/2-binary-arch.mk:235: /tmp/kernel-vicamo-ce1c8356cf164-8jMF/build/debian/stamps/stamp-install-generic] Error 1

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