title: png.h file not found - Linux
body: <p>I am trying to run <a href="http://cvlab.epfl.ch/cms/site/cvlab2/lang/en/software/pom/index.php" rel="noreferrer">this</a> in linux ubuntu. When I type make it says </p>
  
  <pre><code>rgb_image.cc:26:24: fatal error: libpng/png.h: No such file or directory
   #include &lt;libpng/png.h&gt;
  </code></pre>
  
  <p>Then i followed <a href="https://stackoverflow.com/questions/25053647/i-have-already-installed-libpng-but-there-is-an-error-png-h-file-not-found">this</a> to install png.h.</p>
  
  <pre><code>sudo install libpng-dev
  </code></pre>
  
  <p>But now its telling me</p>
  
  <pre><code>install: missing destination file operand after ‘libpng-dev’
  </code></pre>
  
  <p>What do I do?</p>
  
  <p>Please help, thanks.</p>