anchor.diff:      maintainers = with maintainers; [ chaduffy ];
     };
   }
  -
  
positive.code: 
    cmakeFlags = [ "-DCURA_ENGINE_VERSION=${version}" ];
  
    meta = with stdenv.lib; {
      description = "A powerful, fast and robust engine for processing 3D models into 3D printing instruction";
      homepage = https://code.alephobjects.com/source/curaengine-lulzbot/;
      license = licenses.agpl3;
  
negative.code: { gcc8Stdenv, callPackage, fetchgit, fetchpatch, cmake, libarcusLulzbot, stb, protobuf }:
  
  gcc8Stdenv.mkDerivation rec {
    pname = "curaengine-lulzBot";
    version = "3.6.21";
  
  