media@ubuntu:~/ffmpeg$ ./configure --enable-libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-x11grab \
> --enable-gpl --enable-version3--enable-nonfree \
> 
Unknown option "--enable-version3--enable-nonfree".
See ./configure --help for available options.
telesismedia@ubuntu:~/ffmpeg$ ./configure  --enable-libmp3lame --enable-libtheora --enable-libvorbis  --enable-libxvid --enable-x11grab \
> --enable-gpl --enable-libx264 --enable-nonfree--enable-libvpx \ 
Unknown option "--enable-nonfree--enable-libvpx".
See ./configure --help for available options.