script/boxen
Need to install Bundler for system ruby, password for sudo:
Successfully installed bundler-1.2.5
1 gem installed
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

    /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h


Gem files will remain installed in /Users/Shared/src/repo/.bundle/ruby/1.8/gems/json-1.7.7 for inspection.
Results logged to /Users/Shared/src/repo/.bundle/ruby/1.8/gems/json-1.7.7/ext/json/ext/generator/gem_make.out
An error occurred while installing json (1.7.7), and Bundler cannot continue.
Make sure that `gem install json -v '1.7.7'` succeeds before bundling.
Can't bootstrap, dependencies are outdated.