/usr/share/automake/mkinstalldirs is in automake1.4 1:1.4-p6-13.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/automake/../automake-1.4/mkinstalldirs
/usr/share/automake/../automake-1.4/mkinstalldirs