These are the last a few lines of the output of make install
in the installation of Geant4.11.1.3 in my macOS. It seems unnecessary to install .doxygen. Is that right?
-- Installing: /Users/xxx/Geant4/11.1.3/share/Geant4/examples/.doxygen
-- Installing: /Users/xxx/Geant4/11.1.3/share/Geant4/examples/.doxygen/Doxymodules_medical.h
-- Installing: /Users/xxx/Geant4/11.1.3/share/Geant4/examples/.doxygen/Doxymodules_errorpropagation.h
-- Installing: /Users/xxx/Geant4/11.1.3/share/Geant4/examples/.doxygen/Doxymodules_basic.h
-- Installing: /Users/xxx/Geant4/11.1.3/share/Geant4/examples/.doxygen/Doxyfile_test