on 
      your compiler or IDE</b></p>
        </li>
        <li>
      <p align="left"><b>In your code, before including any filesystem header, 
      #define BOOST_FILESYSTEM_VERSION <i>n</i></b></p>
        </li>
        <li>
      <p align="left"><b>#define BOOST_FILESYSTEM_VERSION <i>n </i>in boost/config/user.hpp. 
      Note that this approach applies to all uses of Boost.Filesystem.</b></p>
        </li>
      </ul>
      <p align="left">Existing code should be moved to Version 3 as soon as 
      c