Old, tried and true. Make doesn't care at all about dependency management, so I'm going to try a bunch of Makefiles to at least kick off language-native toolchains. I may need more sophisticated rules to make make library/application dependencies work well within the repository.

Drawbacks:

- I don't know how to create what amounts to a standard makefile with regular entry points
- There's still a lot of glue that I have to work out for each language.