title: Protocol "smb" not supported or disabled in libcurl
body: <p>My curl version: </p>
  
  <pre><code>Array
  (
      [version_number] =&gt; 470785
      [age] =&gt; 3
      [features] =&gt; 524809
      [ssl_version_number] =&gt; 0
      [version] =&gt; 7.47.1
      [host] =&gt; x86_64-pc-linux-gnu
      [ssl_version] =&gt; 
      [libz_version] =&gt; 1.2.8
      [protocols] =&gt; Array
          (
              [0] =&gt; dict
              [1] =&gt; file
              [2] =&gt; ftp
              [3] =&gt; gopher
              [4] =&gt; http
              [5] =&gt; imap
              [6] =&gt; pop3
              [7] =&gt; rtsp
              [8] =&gt; smtp
              [9] =&gt; telnet
              [10] =&gt; tftp
          )
  
  )
  </code></pre>
  
  <p>how can I enable this protocol smb ? </p>
  
  <pre><code>curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_SMB); //not working 
  </code></pre>