/usr/lib/ruby/site_ruby/1.8/rubygems.rb:251:in `report_activate_error': Could not find RubyGem ruby-breakpoint (>= 0.0.0) (Gem::LoadError)
        from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:188:in `activate'
        from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:66:in `active_gem_with_options'
        from /usr/lib/ruby/site_ruby/1.8/rubygems.rb:59:in `require_gem'
        from setup.rb:5