postmodern/ruby-install — pull request #23 by jacknagel (2013-05-31 15:32:21+00:00)
Title: Update Homebrew dependencies for Rubinius

The configure_ruby() function for Rubinius already assumes these dependencies are present:

https://github.com/postmodern/ruby-install/blob/1a78634bac21a7c90a0f01b7b618926662134238/share/ruby-install/rubinius/functions.sh#L26

so update this list to match.