title: OpenCV Aruco Make Failure
body: <p>I have attempted to install the Aruco Markers module for OpenCV but having issues when applying make. </p>
  
  <p>I have been following this tutorial: uco.es/investiga/grupos/ava/node/26</p>
  
  <p>Image of make error.</p>
  
  <p><img src="https://i.stack.imgur.com/y4brN.png" alt="image of make error"></p>