title: Error when making muPdf on OS X Yosemite
body: <p>I get this error when trying to make muPdf on OS X Yosemite</p>
  
  <blockquote>
    <p>fatal error: 'X11/Xlib.h' file not found</p>
  </blockquote>
  
  <p>I trying this <a href="https://stackoverflow.com/questions/27774396/error-in-making-building-mupdf-on-mac-os-x">answer</a>, without any effect...</p>