title: xcode/clang: clang: warning: argument unused during compilation: '-fcheck-new'
body: <p>As title:</p>
  
  <p>I'm constantly getting this warning that flooded out my screen in Xcode4 for the -fcheck-new options that I use. </p>
  
  <pre><code>clang: warning: argument unused during compilation: '-fcheck-new'
  </code></pre>
  
  <p>Is it that clang does not support this gcc compiler option??? How can I get rid of the warnings?</p>
  
  <p>Thanks!</p>