Clean Build: ubuntu/kubuntu 21.10

[luciust]

The newly installed 21.10 ubunu flavour with build-essential metapackage, when trying out make native

• can't install python-serial
• won't find out that python is not installed

• make stops at:

  CXX basic_input.cpp CXX basic_io.cpp CXX basic_math.cpp CXX basic_sound.cpp CXX basic_sys.cpp basic_sys.cpp:11:18: fatal error: Time.h: No such file or directory

  include

            ^

  compilation terminated.