post_install() {
  grep -v "/usr/lib/libfakeroot" < /etc/ld.so.conf > /etc/ld.so.conf.tmp
  echo "/usr/lib/libfakeroot" >> /etc/ld.so.conf.tmp
  mv -f /etc/ld.so.conf.tmp /etc/ld.so.conf
  /sbin/ldconfig
}

post_upgrade() {
  post_install $1
}

pre_remove() {
  grep -v "/usr/lib/libfakeroot" < /etc/ld.so.conf > /etc/ld.so.conf.tmp
  mv -f /etc/ld.so.conf.tmp /etc/ld.so.conf
  /sbin/ldconfig
}

op=$1
shift
$op $*