title: Vim YouCompleteMe unavailable
body: <p>I installed YCM but it says:</p>
  
  <pre><code>YouCompleteMe unavailable: requires Vim compiled with Python (2.6+ or 3.3+) support.
  </code></pre>
  
  <p>So I went to Google for help, and the result is that I have to </p>
  
  <pre><code>./configure --enable-pythoninterp=yes
  </code></pre>
  
  <p>But where is the <code>./configure</code> script? I don't have it in my usr/share/vim/vim80
  Please help</p>