title: Import readline.h library to QtCreator on Windows
body: <p>I need to import readline.h library to Windows. I have already tried to import folder with libraries here:
  C:\Qt\Tools\mingw492_32\i686-w64-mingw32\include
  It is a library with history.h, chardefs.h, keymaps.h, readline.h, etc..</p>
  
  <p>But when i try to compile program like this:</p>
  
  <pre><code>if ((line= readline("my_prompt$ ")) == NULL)
              exit(0);
  add_history(line);
  </code></pre>
  
  <p>I recieve this message:</p>
  
  <pre><code>error: undefined reference to `add_history'
  error: undefined reference to `impl__readline'
  </code></pre>
  
  <p>I really need it to run that library on my machine. Thanks you very much for helping! </p>