+# order matters
+for dep in \
+ ffmpeg/twolame ffmpeg/lame ffmpeg/openjpeg \
+ ffmpeg/libvorbis ffmpeg/libtheora ffmpeg/x264 ffmpeg/x265 ffmpeg/fdk \
+ libiec61883/libraw1394 libavc1394/librom1394 \
+ openexr/ilmbase ilmbase/libogg \
+ libtheora/libogg libtheora/libvorbis ; do
+ lib=`dirname $dep`; needs=`basename $dep`
+ eval pkg_lib="\$PKG_$lib"; eval needs_lib="\$HAVE_$needs";
+ if test "x$pkg_lib" != "xno"; then
+ eval "PKG_$needs=yes"
+ fi
+done
+