ruby-concurrency/rake-compiler-dev-box — pull request #1 by jdantonio (2014-12-14 00:57:07+00:00)
Title: Updates to support building two gems (core and extension).

This PR is the companion to the `concurrent-ruby` PR [#205 "Builds two gems from one repo"](https://github.com/ruby-concurrency/concurrent-ruby/pull/205). See that PR for details.