jckarter/clay — pull request #180 by Blei (2012-01-12 20:30:17+00:00)
Title: add dependency file generation akin to -MMD on gcc

I'm not sure if I violated some code guidelines/best practices/clay coding conventions (I'm not much of a C++ programmer usually). Also, this probably still contains bugs. Please don't hesitate to correct stuff or send complaints :)