title: Missing library while installing ruby-filemagic gem on Linux
body: <p>I needed gem ruby-filemagic for some requirements in my project. While running bundle install its giving me this error</p>
  
  <pre><code>*** ERROR: missing required library to compile this module
  *** extconf.rb failed ***
  </code></pre>
  
  <p>Please help me with this problem.</p>