fixed since Ubuntu-5.10-5.10.0-2.3
d599f8f68c47774 UBUNTU: [Debian] Include scripts/module.lds from builddir in
headers package
** Changed in: linux (Ubuntu)
Status: Confirmed => 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:
Unknown
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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