$(call if_pkg,twolame,--enable-libtwolame) \
$(call if_pkg,openjpeg,--enable-libopenjpeg) \
$(call if_pkg,lame,--enable-libmp3lame) \
$(call if_pkg,libaom,--enable-libaom) \
$(call if_pkg,twolame,--enable-libtwolame) \
$(call if_pkg,openjpeg,--enable-libopenjpeg) \
$(call if_pkg,lame,--enable-libmp3lame) \
$(call if_pkg,libaom,--enable-libaom) \