> Anyone ported sup to sunos? and can give me a patch/source?

Yup.  It wasn't all that hard - mainly filling in strerror() and
friends.  I might have also had to remove encryption and compression
but I'm not sure.  I've since removed the source since this was disk
space on my school account.

You can have a sparc/sunos-4.1.3 binary at
http://www.achilles.net/~dej/sup.tar.gz