anchor.diff:      # "ql-qlf"
       "sdc"
       "xdc"
  -    # "UHDM"
  +    "systemverilog"
     ];
   
     static_gtest = gtest.dev.overrideAttrs (old: {
  
positive.code:     maintainers = with maintainers; [ ollieB thoughtpolice ];
    };
  }))
  
  
  
negative.code:   enableParallelBuilding = true;
  
    nativeBuildInputs = [ which python3 ];
    buildInputs = [ yosys readline zlib uhdm surelog ];
  
    # xdc has an incorrect path to a test which has yet to be patched
    doCheck = plugin != "xdc";
  