As i just found out there is a 64bits version of SM OS, I decided to use that instead of compiling everything by myself. This is so much convenient. Anyway, it was not wasted time as I have learnt lots of thing.
Thanks anyway all people in this thread.
Skywatcher 150/750 on HEQ5 pro using EqMod
Canon 450D IR cut filter removed - CC Baader MPCC III
Guiding with 60mm refractor and QHY5 II mono
Kstars/Ekos on RPi4