anchor.diff:      (lib.enableFeature archiveSupport  "libarchive")
       (lib.enableFeature cddaSupport     "cdda")
       (lib.enableFeature dvdnavSupport   "dvdnav")
  +    (lib.enableFeature javascriptSupport "javascript")
       (lib.enableFeature openalSupport   "openal")
       (lib.enableFeature sdl2Support     "sdl2")
       (lib.enableFeature sixelSupport    "sixel")
  
positive.code: , freetype
  , libass
  , libpthreadstubs
  , mujs
  , nv-codec-headers
  , lua
  , libuchardet
  
negative.code:     ++ lib.optionals drmSupport         [ libdrm mesa ]
      ++ lib.optionals dvdnavSupport      [ libdvdnav libdvdnav.libdvdread ]
      ++ lib.optionals jackaudioSupport   [ libjack2 ]
      ++ lib.optionals javascriptSupport  [ mujs ]
      ++ lib.optionals libpngSupport      [ libpng ]
      ++ lib.optionals openalSupport      [ openalSoft ]
      ++ lib.optionals pulseSupport       [ libpulseaudio ]
  