anchor.diff:    };
   
     ccl = callPackage ../development/compilers/ccl {
  -    inherit (darwin) bootstrap_cmds;
  +    inherit (buildPackages.darwin) bootstrap_cmds;
     };
   
     chez = callPackage ../development/compilers/chez {
  
positive.code:   jhiccup = callPackage ../development/tools/java/jhiccup { };
  
    valgrind = callPackage ../development/tools/analysis/valgrind {
      inherit (darwin) xnu bootstrap_cmds cctools;
      llvm = llvm_39;
    };
    valgrind-light = self.valgrind.override { gdb = null; };
  
negative.code:   kinetic-cpp-client = callPackage ../development/libraries/kinetic-cpp-client { };
  
    krb5 = callPackage ../development/libraries/kerberos/krb5.nix {
      inherit (buildPackages.darwin) bootstrap_cmds;
    };
    krb5Full = krb5;
    libkrb5 = krb5.override {
  