This change was written by Landon Fuller, one of the founders of MacPorts. There...

This change was written by Landon Fuller, one of the founders of MacPorts. There's an explanation for it in a comment on the pull request: https://github.com/freebsd/pkg/pull/1113#issuecomment-680639...

This change doesn't mean very much in isolation, but will hopefully be the beginning of some interesting collaboration by packagers on both platforms.