anchor.diff:      bzip2 fontconfig freetype gnutls libiconv lame libass libogg libtheora
       libvdpau libvorbis lzma soxr x264 x265 xvidcore zlib libopus
     ] ++ optional openglSupport libGLU_combined
  -    ++ optionals (!isDarwin && !isAarch32) [ libvpx libpulseaudio ] # Need to be fixed on Darwin and ARM
  +    ++ optional vpxSupport libvpx
  +    ++ optionals (!isDarwin && !isAarch32) [ libpulseaudio ] # Need to be fixed on Darwin and ARM
       ++ optional ((isLinux || isFreeBSD) && !isAarch32) libva
       ++ optional isLinux alsaLib
       ++ optionals isDarwin darwinFrameworks
  
positive.code:  * see `ffmpeg-full' for an ffmpeg build with all features included.
   *
   * Need fixes to support Darwin:
   *   libvpx pulseaudio
   *
   * Known issues:
   * 0.6     - fails to compile (unresolved) (so far, only disabling a number of
  
negative.code:       (ifMinVer "0.6" (enableFeature vaapiSupport "vaapi"))
        "--enable-vdpau"
        "--enable-libvorbis"
        (ifMinVer "0.6" (enableFeature vpxSupport "libvpx"))
        (ifMinVer "2.4" "--enable-lzma")
        (ifMinVer "2.2" (enableFeature openglSupport "opengl"))
        (disDarwinOrArmFix (ifMinVer "0.9" "--enable-libpulse") "0.9" "--disable-libpulse")
  