title: problem in installing dlib module for anaconda on mac os
body: <p>Im trying to install dlib on my mac os, I used anaconda and the picture below is an error occurred when i attempted to install the module.</p>
  
  <p>I did install cmake, but it still failed.</p>
  
  <p>Thank you in advance for helpiing me to figuring this out, cheers.  </p>
  
  <p><a href="https://i.stack.imgur.com/LwhBg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LwhBg.png" alt="it fails with following output"></a></p>