optional_depends  alsa-lib    ""  ""  "for ALSA support"              &&
optional_depends  gtk+2       ""  ""  "for libquicktime_config tool"  &&
optional_depends  libdv       ""  ""  "for DV video support"          &&
optional_depends  libvorbis   ""  ""  "for ogg/vorbis support"        &&
optional_depends  lame        ""  ""  "for mp3 support"               &&
optional_depends  jpeg        ""  ""  "for jpeg support"              &&
optional_depends  libpng      ""  ""  "for png support"               &&
optional_depends  libavc1394  ""  ""  "for firewire support"          &&
optional_depends  LIBAVCODEC  "" ""   "AV decoding"                   &&
optional_depends  x264        "" ""   "encoding H264/AVC video streams" &&

optional_depends  doxygen                        \
                  ""                             \
                  "--without-doxygen"            \
                  "to documentation generation"
