@catonano speaking of clojure, and compiling one thing into another:
https://github.com/nakkaya/ferret
Ferret is a free software lisp implementation designed to be used in real time embedded control systems. Ferret lisp compiles down to self contained C++11.
The coolest thing is that the source of the whole system is a single Org mode file. So the manual *is* the source code in true literal programming style.
Found on http://planet.emacsen.org