anchor.diff:    };
   
     buildInputs = [ cairo
  -                  coreutils
                     file
                     libjpeg
                     libpng
  
positive.code:     '';
  
      homepage = http://racket-lang.org/;
      license = "LGPL";
      platforms = [ "i686-linux" "x86_64-linux" ];
    };
  }
  
negative.code: { stdenv, fetchurl, cairo, file, libjpeg
  , libpng, libtool, libXaw, libXext, libXft, libXrender
  , libXt, libXmu, mesa, pkgconfig, which } :
  
  stdenv.mkDerivation rec {
    name = "racket";
  