title: Building GLEW with MSYS: X11 not found
body: <p>When trying to make GLEW with MSYS, I'm getting the following error:</p>
  
  <pre><code>In file included from src/glew.c:37:0:
  include/GL/glxew.h:97:22: fatal error: X11/Xlib.h: No such file or directory
   #include &lt;X11/Xlib.h&gt;
  
  compilation terminated.
  make: *** [tmp/mingw/default/shared/glew.o] Error 1
  </code></pre>
  
  <p>Why?</p>