Overview of the available options for building VMC examples and their default values:
VMC_WITH_Geant4 Build with Geant4 OFF
VMC_WITH_Geant3 Build with Geant3 OFF
VMC_WITH_Multi Build with multiple engines OFF
VMC_INSTALL_EXAMPLES Install examples libraries and programs ON
Geant4 VMC build options are automatically exported in Geant4VMCConfig.cmake. If Geant4 VMC was built with VGM, the VGM installation path has to be provided via -DVGM_DIR option.