Hello, D Tibrella <pinghigh24678 at outlook.com> wrote: > arm-none-eabi-gcc 13.2.0 I haven't tested GCC 13.2 yet. It may be the cause. I'll test when it will be available in Debian. Do you mean that Gnuk 1.2.20 built with arm-none-eabi-gcc 13.2.0 works? --