title: How can i build a project Ruby in Xcode?
body: <p>I have a question regarding Ruby on Mac. When i bulid the project, there is an error as follows:</p>
  
  <pre><code>/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- plist (LoadError)
  
  from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require'
      from .../app.build/Debug-iphonesimulator/iphone.build/Script-2095E433129114D900424894.sh:3
  Command /bin/sh failed with exit code 1
  </code></pre>
  
  <p>Xcode 4.3.3 is installed on my computer, which use Mac OS X 10.7.4, and i installed ruby 1.9.3 with rvm and set ruby 1.9.3 as default:</p>
  
  <pre><code>$ rvm use 1.9.3
  
  Using ../.rvm/gems/ruby-1.9.3-p194
  
  $ ruby -v
  
  ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin11.4.0]
  </code></pre>
  
  <p>Someone knows the solution to solve this?</p>