Littlecheck needs it.
This isn't officially supported (yet?), and it's currently broken. It doesn't include ssl certificates, and I can't see a way to add them or disable verification before it attempts to clone the git repo. Ironically: [ci skip]
I should actually look up the syntax one of these days.
Enable builds on builds.sr.ht for freebsd and arch, and alpine (which uses musl). All are built using cmake, as we want to drop the autotools build.