o.</p>

<p><br /></p>

<h1 id="troubleshooting">Troubleshooting</h1>

<ul>
  <li>For Linux users:
If you see <code class="highlighter-rouge">*/ld: cannot find -l***</code> , it means that it cannot find lib file, where <code class="highlighter-rouge">l***</code> stands for the link lib file <code class="highlighter-rouge">lib***.so</code>. The first thing you need is to install the corresponding lib file. For example, if you see <code class="highlighter-rouge">*/ld: cannot find -lxml2</code>, you can try
  