Did you set up a toolchain as per https://docs.zephyrproject.org/latest/getting_started/index.html#set-up-a-toolchain? If so, make sure you source zephyr-env.sh before attempting to build any sample c

This is most likely what Marti said, you need to add ~/.local/bin to your PATH: $ export PATH=$PATH:~/.local/bin And try again. If that works, you can make this change permanent via ~/.bashrc Geoffroy

Can you paste on this thread what the output of “pip3 show –f west” and “echo $PATH” return?

Quick update following some more testing I did. I hit the same "packed-not-aligned" issue on Fedora 29. I applied the same fix and subsequently hit another issue (see error below), which got resolved

Hi folks, I am trying to build a GRUB2 bootloader image following these steps on a Clear Linux system (version 28230). I ran into the problem below (see output at [1]). That is a problem with gcc 8.x

Hi Tamra, I do not know much about the Z-tree myself but assuming this is equivalent to the Zephyr kernel running on Arduino 101, you could get a lot of info directly from the Zephyr Project website: