anchor.diff:          }
         else throw "Unsupported system: ${stdenv.system}";
     };
  -
  -  eclipse_sdk_421 = buildEclipse {
  +  eclipse_cpp_45 = eclipse-cpp-45; # backward compatibility, added 2016-01-30
  +
  +  eclipse-sdk-421 = buildEclipse {
       name = "eclipse-sdk-4.2.1";
       description = "Eclipse Classic";
       src =
  
positive.code:           sha256 = "1a4s9qlhfpfpdhvffyglnfdr3dq5r2ywcxqywhqi95yhq5nmsgyk";
          };
    };
  
    eclipse_cpp_43 = buildEclipse {
      name = "eclipse-cpp-4.3.2";
      description = "Eclipse IDE for C/C++ Developers";
      src =
  
negative.code:           sha1 = "696377895bb26445de39d82a916b7e69edb1d939";
          };
    };
    eclipse_modeling_36 = eclipse-modeling-36; # backward compatibility, added 2016-01-30
  
    eclipse-sdk-37 = buildEclipse {
      name = "eclipse-sdk-3.7";
      description = "Eclipse Classic";
      sources = {
  