anchor.diff:      sha256 = "0wj8x9xk5irvsjc3rm7wzml1j47xcdpdpy84kidafk02biskcqcb";
     };
   
  -  buildInputs = [ cmake mesa ffmpeg jackaudio gettext python glew libjpeg libpng zlib openal
  -    SDL openexr libsamplerate libsndfile libXi libtiff ilmbase opencolorio openimageio openjpeg boost ];
  +  buildInputs = [
  +    SDL boost cmake ffmpeg gettext glew ilmbase jackaudio libXi
  +    libjpeg libpng libsamplerate libsndfile libtiff mesa openal
  +    opencolorio openexr openimageio openjpeg python zlib
  +  ];
   
   
     cmakeFlags = [
  
positive.code: { stdenv, fetchurl, SDL, cmake, ffmpeg, jackaudio, gettext, glew, ilmbase, libXi, libjpeg,
  libpng, libsamplerate, libsndfile, libtiff, mesa, opencolorio, openimageio, openal, openexr, openjpeg,
  python, zlib, boost }:
  
  stdenv.mkDerivation rec {
    name = "blender-2.66a";
  
negative.code:     "-DWITH_OPENCOLLADA=OFF"
      "-DWITH_CODEC_FFMPEG=ON"
      "-DWITH_CODEC_SNDFILE=ON"
      "-DWITH_JACK=ON"
      "-DWITH_INSTALL_PORTABLE=OFF"
      "-DPYTHON_LIBRARY=python${python.majorVersion}m"    
  