anchor.diff:        (verFix null "0.6.90" "--disable-mmx")
     ] ++ optional stdenv.cc.isClang "--cc=clang";
   
  -  nativeBuildInputs = [ perl pkgconfig texinfo yasm ];
  +  nativeBuildInputs = [
  +    perl
  +    texinfo
  +    yasm
  +  ];
   
     buildInputs = [
  -    bzip2 fontconfig freetype gnutls libiconv lame libass libogg libtheora
  -    libvdpau libvorbis lzma SDL soxr x264 xvidcore zlib
  -  ] ++ optional openglSupport mesa
  -    ++ optionals (!isDarwin) [ libvpx libpulseaudio ] # Need to be fixed on Darwin
  -    ++ optional (isLinux || isFreeBSD) libva
  -    ++ optional isLinux alsaLib
  -    ++ optional isDarwin Cocoa;
  +    bzip2
  +    fontconfig
  +    freetype
  +    gnutls
  +    libiconv
  +    lame
  +    libass
  +    libogg
  +    libtheora
  +    libvdpau
  +    libvorbis
  +    lzma
  +    SDL
  +    soxr
  +    x264
  +    xvidcore
  +    zlib
  +    libvpx
  +    libpulseaudio
  +    libva
  +    alsaLib
  +  ] ++ optional openglSupport mesa;
   
     enableParallelBuilding = true;
   
  
positive.code:  *
   */
  
  let
    inherit (stdenv) icCygwin isDarwin isFreeBSD isLinux;
    inherit (stdenv.lib) optional optionals enableFeature;
  
    cmpVer = builtins.compareVersions;
    reqMin = requiredVersion: (cmpVer requiredVersion branch != 1);
    reqMatch = requiredVersion: (cmpVer requiredVersion branch == 0);
  
negative.code:  * THIS IS A MINIMAL BUILD OF FFMPEG, do not include dependencies unless
   * a build that depends on ffmpeg requires them to be compiled into ffmpeg,
   * see `ffmpeg-full' for an ffmpeg build with all features included.
   *
   * Known issues:
   * 0.6     - fails to compile (unresolved) (so far, only disabling a number of
  