** Changed in: linux (Debian)
       Status: Unknown => Fix Released

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https://bugs.launchpad.net/bugs/1906131

Title:
  No rule to make target 'scripts/module.lds' while building out-of-tree
  modules

Status in linux package in Ubuntu:
  Fix Released
Status in linux package in Debian:
  Fix Released

Bug description:
  kernel v5.10-rc1 introduced a change ( 596b0474d3d9 "kbuild:
  preprocess module linker script" ) that affects where and how
  scripts/module.lds is used and causes external modules to fail to
  build since that linker script is not shipped in the
  linux-{image,header} packages.

  I've been testing the mainline PPA kernel v5.10-rc5 and today
  installed v4l2loopback-dkms and hit this issue.

  It will affect all DKMS packages. Ubuntu carries 39 DKMS packages.

  See the LKML discussion:

  https://lkml.org/lkml/2020/8/31/455

  
  DKMS make.log for v4l2loopback-0.12.3 for kernel 5.10.0-051000rc5-lowlatency 
(x86_64)
  Sun 29 Nov 02:48:58 GMT 2020
  Building v4l2-loopback driver...
  make -C /lib/modules/5.10.0-051000rc5-lowlatency/build 
M=/var/lib/dkms/v4l2loopback/0.12.3/build modules
  make[1]: Entering directory 
'/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
    CC [M]  /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o
    MODPOST /var/lib/dkms/v4l2loopback/0.12.3/build/Module.symvers
  make[3]: *** No rule to make target 'scripts/module.lds', needed by 
'/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.ko'. Stop.
  make[3]: *** Waiting for unfinished jobs....
    CC [M]  /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.mod.o
  make[2]: *** [scripts/Makefile.modpost:117: __modpost] Error 2
  make[1]: *** [Makefile:1703: modules] Error 2
  make[1]: Leaving directory 
'/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
  make: *** [Makefile:43: v4l2loopback.ko] Error 2

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