I am trying to get XhpBSD running, as an X terminal.

However, xdm (running on a Sun) complains "No valid addresses" when I try
to connect.  Indeed, a tcpdump shows that the XDMCP "Request" packet
does not propose any valid stream types or addresses.  How wierd.

I would like to compile the X sources to get an R6 server, if I can't get
XhpBSD to work.  I notice that there is no server config for the hp300.
What are the issues preventing X11R6 server from being compiled, given
that an R5 server exists?