packages compressed with xz

[perryh at pluto.rain.com]

Ion-Mihai Tetcu <itetcu at freebsd.org> wrote:

> > It would be nice to support xz(1) compression for large selective
> > packages like firefox or openoffice as those will never run on
> > smaller systems.
>
> Trouble is it ain't no way (CPU, space, banhdwidth on our side and
> space,bandwidth on our mirrors side) we could build a double set of
> packages.

but perhaps it would be possible to support compressing certain
ports' packages using xz _instead of_ bzip2, the specification
being made in the port's Makefile and defaulting to bzip2 (current
behavior) if no alternative compression method is specified.