/usr/m68k-linux-gnu/bin/ar is in binutils-m68k-linux-gnu 2.26-8ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/m68k-linux-gnu/bin/../../bin/m68k-linux-gnu-ar
/usr/m68k-linux-gnu/bin/../../bin/m68k-linux-gnu-ar