#!/bin/sh

for d in /bin /sbin /lib /lib32 /libo32 /libx32 /lib64; do
  linkname="$(readlink $d)"
  if [ "$linkname" = "usr$d" ] || [ "$linkname" = "/usr$d" ]; then
    echo "System tainted due to merged-usr-via-aliased-dirs." >&3
    break
  fi
done