https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116119
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >--prefix=${PREFIX}--with-arch=armv8-a There is a space missing between the configure options in your binutils configure which I suspect is the issue as the assembler is NOT being found.