anchor.diff:      '';
       homepage = http://lloyd.github.com/yajl/;
       license = stdenv.lib.license.isc;
  -    platforms = stdenv.lib.platforms.linux;
  +    platforms = with stdenv.lib.platforms; [ linux darwin ];
       maintainers = with stdenv.lib.maintainers; [
         z77z
       ];
  
positive.code:     sha256 = "08a7bgmdpvi6w9f9bxx5f42njwmwzdf6jz3w6ila7jgbl5mhknf2";
    };
  
    buildInputs = [ cmake ruby ];
  
    meta = {
      description = "Yet Another JSON Library";
  
negative.code: {stdenv, fetchurl, cmake, ruby, darwinInstallNameToolUtility}:
  
  stdenv.mkDerivation {
    name = "yajl-2.0.1";
  