This is possible since all the commits have been made by me. The code
taken from SCLF (which is licensed LGPL-2.1-or-later) can also be
included since the LGPL 2.1 is [compatible] with the GPL 3.0.
compatible: https://www.gnu.org/licenses/license-list.en.html#LGPLv2.1
Change-Id: I2d274c29378679c489dc667a53b234642c3da817
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5928
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
