anchor.diff:        binutils.bintools darwin.binutils darwin.binutils.bintools
         cc.expand-response-params
       ]) ++ (with pkgs.darwin; [
  -      dyld Libsystem CF cctools ICU libiconv locale
  +      dyld Libsystem Libsystem.dev CF cctools ICU libiconv locale
       ]);
   
       overrides = self: super:
  
positive.code:     allowedRequisites =
        [ bootstrapTools ] ++
        (with pkgs; [ xz.bin xz.out bash libcxx libcxxabi ]) ++
        (with pkgs.darwin; [ dyld ICU Libsystem locale ]);
  
      overrides = persistent;
    };
  
negative.code:     allowedRequisites =
        [ bootstrapTools ] ++
        (with pkgs; [ xz.bin xz.out libcxx libcxxabi ]) ++
        (with pkgs.darwin; [ dyld Libsystem Libsystem.dev CF ICU locale ]);
  
      overrides = persistent;
    };
  