CMake build: use qt5_add_big_resources and CMAKE_AUTO_MOC cause compile error

CMakeLists.txt:

set(CMAKE_AUTOMOC ON)  # if it is ON cause error, else no error

qt5_add_big_resources(resource_files "qml.qrc") 

error message:

C:\Qt\Qt5.12.0\5.12.0\mingw73_64\bin\rcc.exe --name qml --pass 2 --temp C:/Workspace/build-testcmake-ninja/CMakeFiles/rcc_object_qml.dir/qrc_qmltmp.cpp.obj;C:/Workspace/build-testcmake-ninja/CMakeFiles/rcc_object_qml.dir/rcc_object_qml_autogen/mocs_compilation.cpp.obj --output C:/Workspace/build-testcmake-ninja/qrc_qml.o C:/Workspace/testcmake/qml.qrc"