title: zipalign: error while loading shared libraries: libc++.so: cannot open shared object file: No such file or directory
body: <p>I am trying to build android app. When I run the zip align tool to optimize the APK, I get this error message:</p>
  
  <pre><code>zipalign: error while loading shared libraries: libc++.so: cannot open shared object file: No such file or directory
  </code></pre>
  
  <p>I tried to install libc++ </p>
  
  <pre><code>sudo aptitude install libc++
  </code></pre>
  
  <p>it says: Couldn't find package "libc+".</p>
  
  <p>Snapshot of my terminal</p>
  
  <p><a href="https://i.stack.imgur.com/chbBO.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/chbBO.jpg" alt="Snapshot of my terminal"></a></p>