title: error: libaudit.h: No such file or directory
body: <p>I am building libselinux on openwrt, and need auditing support.
  But I have really open the aduditing support in the linux kernel menuconfig, why still this error happen?</p>
  
  <pre><code>error: libaudit.h: No such file or directory.
  </code></pre>
  
  <p>Any sort of help is greatly appreciated, thanks.</p>