https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116119
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to maths soso from comment #0)
> /home/sofiane/rpi0/toolchain/build/gcc2/./gcc/as: 106: exec: -march=armv8-a:
> not found
If you look at /home/sofiane/rpi0/toolchain/build/gcc2/./gcc/as you'll see it's
a script and line 106 does: exec $original ${1+"$@"}
The error means that $original is unset, so you have no assembler.
You need to install binutils for ${TARGET} first. Preferably in the same
${PREFIX}.
