anchor.diff:      libtool = darwin.cctools;
     };
   
  -  nodejs-5_x = callPackage ../development/web/nodejs/v5.nix {
  -    libtool = darwin.cctools;
  -  };
  -
     nodejs-6_x = callPackage ../development/web/nodejs/v6.nix {
       libtool = darwin.cctools;
     };
  
positive.code: 
    nodePackages_6_x = callPackage ../development/node-packages/default-v6.nix {
      nodejs = pkgs.nodejs-6_x;
    };
  
    nodePackages_5_x = callPackage ../development/node-packages/default-v5.nix {
      nodejs = pkgs.nodejs-5_x;
    };
  
    nodePackages_4_x = callPackage ../development/node-packages/default-v4.nix {
  
negative.code:   less = callPackage ../tools/misc/less { };
  
    lf = callPackage ../tools/misc/lf {};
  
    lhasa = callPackage ../tools/compression/lhasa {};
  
    libcpuid = callPackage ../tools/misc/libcpuid { };
  