anchor.diff:        a52dec alsaLib   fftw lame libavc1394 libiec61883
         libraw1394 libsndfile libvorbis libogg libjpeg libtiff freetype
         mjpegtools x264 gettext openexr
  -      libXext libXxf86vm libXv libXi libX11 xextproto
  +      libXext libXxf86vm libXv libXi libX11 libXft xextproto
         libtheora libpng libdv libuuid
         nasm
         perl
  +      fontconfig intltool
       ];
  +
  +  enableParallelBuilding = true;
   
     meta = {
       description = "Video Editor";
  
positive.code: , pkgconfig, faad2, faac, a52dec, alsaLib, fftw, lame, libavc1394
  , libiec61883, libraw1394, libsndfile, libvorbis, libogg, libjpeg
  , libtiff, freetype, mjpegtools, x264, gettext, openexr
  , libXext, libXxf86vm, libXv, libXi, libX11, xextproto, libtheora, libpng
  , libdv, libuuid, file, nasm, perl }:
  
  stdenv.mkDerivation {
    name = "cinelerra-git";
  
negative.code: 
    src = fetchgit {
      url = "git://git.cinelerra-cv.org/j6t/cinelerra.git";
      # 2.3
      #rev = "58ef118e63bf2fac8c99add372c584e93b008bae";
      #sha256 = "1wx8c9rvh4y7fgg39lb02cy3sanms8a4fayr70jbhcb4rp691lph";
      # master 22 nov 2016
      #rev = "dbc22e0f35a9e8c274b06d4075b51dc9bace34aa";
      #sha256 = "0c76j98ws1x2s5hzcdlykxm2bi7987d9nanka428xj62id0grla5";
  
      # j6t/cinelerra.git
      rev = "454be60e201c18c1fc3f1f253a6d2184fcfc94c4";
      sha256 = "1n4kshqhgnr7aivsi8dgx48phyd2nzvv4szbc82mndklvs9jfb7r";
    };
  
    # touch config.rpath: work around bug in automake 1.10 ?
  