I think to have find the response at http://mysensors.readthedocs.io/en/latest/protocol.html :)

My problem was to can directly communicate with MySensors objets without the need to pass via external controller such as Domotiz , for to use the less possible ressources on Raspberry Pi nodes and to have a maximal liberty about the handling of MySensors objets

This is certainly a repository problem because "sudo apt-get install arduino" give a bad version of it on my Linux Mint 18.2 Cinnamon 64 bits fresh install ...