Ok, I managed to answer by myself.
I had to:
– install vice package thru retropie_packages.sh
– install all binaries thru retropie_setup.h
this install vice but emulationstation can’t see it. So it has to be lanched manually:
/opt/retropie/emulators/vice-2.4/installdir/bin/x64 -sdlbitdepth 16