Ubuntu
v4l2loopback package

failed to build against 6.1.0-14-generic along with kernel build

Bug #2007333 reported by You-Sheng Yang on 2023-02-15

This bug report is a duplicate of: Bug #2015279: ftbfs during kernel build due to dkms changes in lunar. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	v4l2loopback (Ubuntu)	Invalid	High	You-Sheng Yang
	Lunar	Invalid	High	You-Sheng Yang

Bug Description

DKMS make.log for v4l2loopback-0.12.7 for kernel 6.1.0-9014-generic (x86)
Wed Feb 15 03:03:59 UTC 2023
make[1]: Entering directory '<<DKMSDIR>>/build/v4l2loopback/0.12.7/build'
Building v4l2-loopback driver...
make -C <<DKMSDIR>>/headers/linux-headers-6.1.0-9014-generic M=<<DKMSDIR>>/build/v4l2loopback/0.12.7/build modules CC=
make[2]: Entering directory '<<DKMSDIR>>/headers/linux-headers-6.1.0-9014-generic'
warning: the compiler differs from the one used to build the kernel
  The kernel was built by: x86_64-linux-gnu-gcc-12 (Ubuntu 12.2.0-10ubuntu1) 12.2.0
  You are using:
  CC [M] <<DKMSDIR>>/build/v4l2loopback/0.12.7/build/v4l2loopback.o
/bin/sh: 1: -Wp,-MMD,<<DKMSDIR>>/build/v4l2loopback/0.12.7/build/.v4l2loopback.o.d: not found
make[3]: *** [scripts/Makefile.build:258: <<DKMSDIR>>/build/v4l2loopback/0.12.7/build/v4l2loopback.o] Error 127
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [Makefile:1996: <<DKMSDIR>>/build/v4l2loopback/0.12.7/build] Error 2
make[2]: Leaving directory '<<DKMSDIR>>/headers/linux-headers-6.1.0-9014-generic'
make[1]: *** [Makefile:43: v4l2loopback.ko] Error 2
make[1]: Leaving directory '<<DKMSDIR>>/build/v4l2loopback/0.12.7/build'
make: *** [debian/rules.d/2-binary-arch.mk:247: /build/lunar/debian/stamps/stamp-install-generic] Error 1