i want build my project use libvlc but i havent library binary .a so QT error
undefined reference to `libvlc_exception_raised'



Qt Code: 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <vlc/vlc.h>
  4.  
  5. static void raise(libvlc_exception_t * ex)
  6. {
  7.     if (libvlc_exception_raised (ex))
  8.     {
  9.          fprintf (stderr, "error: %s\n", libvlc_exception_get_message(ex));
  10.          exit (-1);
  11.     }
  12. }
  13. int main(int argc, char* argv[])
  14. {
  15.     const char * const vlc_args[] = {
  16.               "-I", "dummy", /* Don't use any interface */
  17.               "--ignore-config", /* Don't use VLC's config */
  18.               "--plugin-path=/set/your/path/to/libvlc/module/if/you/are/on/windows/or/macosx" };
  19.     libvlc_exception_t ex;
  20.     libvlc_instance_t * inst;
  21.     libvlc_media_player_t *mp;
  22.     libvlc_media_t *m;
  23.  
  24.     libvlc_exception_init (&ex);
  25.     /* init vlc modules, should be done only once */
  26.     inst = libvlc_new (sizeof(vlc_args) / sizeof(vlc_args[0]), vlc_args, &ex);
  27.     raise (&ex);
  28.  
  29.     /* Create a new item */
  30.     m = libvlc_media_new (inst, "http://mycool.movie.com/test.mov", &ex);
  31.     raise (&ex);
  32.  
  33.     /* XXX: demo art and meta information fetching */
  34.  
  35.     /* Create a media player playing environement */
  36.     mp = libvlc_media_player_new_from_media (m, &ex);
  37.     raise (&ex);
  38.  
  39.     /* No need to keep the media now */
  40.     libvlc_media_release (m);
  41.  
  42. #if 0
  43.     /* This is a non working code that show how to hooks into a window,
  44.      * if we have a window around */
  45.      libvlc_drawable_t drawable = xdrawable;
  46.     /* or on windows */
  47.      libvlc_drawable_t drawable = hwnd;
  48.  
  49.      libvlc_media_player_set_drawable (mp, drawable, &ex);
  50.      raise (&ex);
  51. #endif
  52.  
  53.     /* play the media_player */
  54.     libvlc_media_player_play (mp, &ex);
  55.     raise (&ex);
  56.  
  57.     //sleep (10); /* Let it play a bit */
  58.  
  59.     /* Stop playing */
  60.     libvlc_media_player_stop (mp, &ex);
  61.  
  62.     /* Free the media_player */
  63.     libvlc_media_player_release (mp);
  64.  
  65.     libvlc_release (inst);
  66.     raise (&ex);
  67.  
  68.     return 0;
  69. }
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iF i add LIBS += -lvlc into .pro then

f:/programfiles/qt/mingw/bin/../lib/gcc/mingw32/4.4.0/../../../../mingw32/bin/ld.exe: cannot find -lvlc
collect2: ld returned 1 exit status