title: Installing rpy2 on MacOS
body: <p>I've been trying to install RPy2 on MacOS Sierra, for Python 3.6 but the pip installation fails without compiling. </p>
  
  <p>The installation errors out with the message:</p>
  
  <pre><code>  clang: error: unsupported option '-fopenmp'
    error: command 'clang' failed with exit status 1
  </code></pre>
  
  <p>Any help with the installation would be appreciated.</p>