echo " --enable-vorbis enable vorbis support via libvorbisenc [default=no]"
echo " --enable-faad enable faad support via libfaad [default=no]"
echo " --enable-faadbin build faad support with runtime linking [default=no]"
echo " --enable-vorbis enable vorbis support via libvorbisenc [default=no]"
echo " --enable-faad enable faad support via libfaad [default=no]"
echo " --enable-faadbin build faad support with runtime linking [default=no]"