anchor.diff:      '';
   
       homepage = http://racket-lang.org/;
  -    license = "LGPL";
  -    platforms = [ "i686-linux" "x86_64-linux" ];
  +    license = stdenv.lib.licenses.lgpl2Plus;
  +    maintainers = [ stdenv.lib.maintainers.kkallio ];
  +    platforms = stdenv.lib.platforms.linux;
     };
   }
  
positive.code:   };
  
    buildInputs = [ cairo
                    coreutils
                    file
                    libjpeg
                    libpng
  
negative.code: { stdenv, fetchurl, cairo, file, libjpeg
  , libpng, libtool, libXaw, libXext, libXft, libXrender
  , libXt, libXmu, mesa, pkgconfig, which } :
  
  stdenv.mkDerivation rec {
    name = "racket";
  