I haven't tried compiling it, but even if large parts of the documentation say "this isn't finished yet" there are code and compilation instructions for Linux and OSX. If it's a joke then it's a joke that two contributors seem to have taken very seriously for a number of months now.
EDIT: Not like, say, Flynn... jab jab
I see this is considered more art, and I would agree with that.
It appears as if it is a large art + learning experience, and I appreciated that after I watched the movie.
Not a lot of _novel_ ideas per se, but an interesting mixture of things.