Very unlikely that a full guide exists,
There are some Linux binaries ,but you have to match with the glibc revision, or you can build from source.
The "latest" release is ~16 months old and their promised 2009 SUmmer/Winter release never happened. The project appears to be limping, not quite dead.
If you don't mind the question - why Xfree86 ? Is there some improved HW support in the server ?
---------- Post added at 09:43 AM CDT ---------- Previous post was at 09:41 AM CDT ----------
Looks like the last questions on the maillist are from November.
Put a fork in it !