title: xcode command line tools homebrew warning
body: <p>When running <code>brew doctor</code> i get this error</p>
  
  <pre><code>Warning: Your compilers are different from the standard versions for your Xcode.
  If you have Xcode 4.3 or newer, you should install the Command Line Tools for
  Xcode from within Xcode's Download preferences.
  Otherwise, you should reinstall Xcode.
  </code></pre>
  
  <p>I have re-installed xcode multiple times and reinstalled the cli tools everytime.</p>