Error Message: arm-none-eabi/lib/crt0.o: Conflicting CPU architectures
Due to a bug in Ubuntu Bionic, libnewlib-arm-none-eabi 2.4.0.20160527-4 is a broken version
- Download latest package from:
https://packages.ubuntu.com/cosmic/all/libnewlib-dev/download
andhttps://packages.ubuntu.com/cosmic/all/libnewlib-arm-none-eabi/download
- Install them with
sudo dpkg -i libnewlib-*.deb
Ref: https://github.com/bbcmicrobit/micropython/issues/514