igrigorik/em-proxy — pull request #36 by dblock (2012-12-12 15:39:17+00:00)
Title: Fix: Ruby 1.8.7 specs.

Use https://github.com/rtomayko/posix-spawn instead of Ruby 1.9.x `spawn` for backward compatibility with Ruby 1.8.7. The library works perfectly well with that.