Instead of working on porting lots of stuff from a 1980's system, why not spend the time writing new code to do neat things using the Plan 9 model. You would learn more than just compiling a mountain of code and it would help make Plan 9 a better place. See the wiki for ideas, or think of something you would like to have and write that. There's lots of work to be done. And you'll find creating more satisfying than merely compiling.
Brantley
