doxygen/1.8.18 (test package): WARN: CMake generator could not be deduced from settings
doxygen/1.8.18 (test package): WARN: compiler setting should be defined.
doxygen/1.8.18 (test package): WARN: build_type setting should be defined.
doxygen/1.8.18 (test package): WARN: compiler setting should be defined.