anchor.diff:              then
                 echo "$dll already exported by a buildInputs, not re-exporting"
               else
  -              ${dotnetbuildhelpers}/bin/create-pkg-config-for-dll.sh "$out/lib/pkgconfig" "$dll"
  +              create-pkg-config-for-dll.sh "$out/lib/pkgconfig" "$dll"
               fi
             done
           done
  
positive.code: 
        nativeBuildInputs = [
          pkg-config
        ] ++ nativeBuildInputs;
        buildInputs = [
          mono
          dotnetbuildhelpers
          makeWrapper
        ] ++ buildInputs;
  
        configurePhase = ''
          runHook preConfigure
  
negative.code:       '';
      };
    in
      stdenv.mkDerivation (attrs // (builtins.removeAttrs attrsOrig [ "nativeBuildInputs" ] ))
  