New comment by steinex on void-packages repository

https://github.com/void-linux/void-packages/issues/12486#issuecomment-502456864
Comment:
The template already has support for this via the "gssapi" build option. It's just not the default because upstream doesn't build with Kerberos support per default either.

So you can just build your own Kerberos-enabled OpenSSH package via `./xbps-src pkg -o gssapi openssh`.

HTH.