title: What's the difference of source complile or use apt?
body: <p>For example， I want to install <code>glog</code>, I could use</p>
  
  <p><code>sudo apt-get install libgoogle-glog-dev</code></p>
  
  <p>or </p>
  
  <pre><code>git clone https://github.com/google/glog
  
  ./autogen.sh &amp;&amp; ./configure &amp;&amp; make &amp;&amp; make install
  </code></pre>
  
  <p>What's the difference?</p>
  
  <p>I'll appreciate it if you help me.</p>