> The source tarball download link, that I replaced in the PKGBUILD (see first mail) went missing, as there was no web server running on gna.org anymore.
> Now I switched to the git repo mentioned in the same link, but the tarball naming is not based on tags.
> a2jmidid still works, but a flaky upstream is just not so nice to deal with as a packager at the dawn of reproducible builds in Arch.
Ah, so that was the issue. Yeah, we ran into this issue as well. Using git probably makes the most sense, or make use of your distro's mirror functionality (I believe arch offers this as well, not sure though).