Systemd today finally merged support for building against and using the musl libc library. This is a win for Linux distributions like postmarketOS, Alpine Linux, and others that use musl by default as their standard C library or offer it as an option.

Since September has been a pull request for experimental support for building systemd with musl libc. This requires a new version of musl with a recent patch, which has been backported to some distributions like Alpine Linux and postmarketOS, in order to use musl as an alternative to glibc.