g++ -Wl,-rpath,/usr/lib/qt/lib -o mythtv main.o    -L/usr/lib/qt/lib -L../../libs/libmyth -L../../libs/libmythtv -L../../libs/libavutil -L../../libs/libavcodec -L../../libs/libavformat -lmythtv-0.19 -lmythavformat-0.19 -lmythavutil-0.19 -lmythavcodec-0.19 -lmyth-0.19 -lfreetype -lmp3lame -lasound -lraw1394 -liec61883 -lavc1394 -L/usr/X11R6/lib -lXinerama -lXv -lXxf86vm -lXrandr -lqt-mt -lXext -lX11 -lm -lpthread
../../libs/libavformat/libmythavformat-0.19.so: undefined reference to `dc1394_init'
../../libs/libavformat/libmythavformat-0.19.so: undefined reference to `dv1394_init'
collect2: ld returned 1 exit status