post_install() {
  rm -f /usr/lib/xorg/modules/libwfb.so
  ln -sf libwfb.so.1.4 /usr/lib/xorg/modules/libwfb.so
}

post_upgrade() {
  post_install
}

post_remove() {
  rm -f /usr/lib/xorg/modules/libwfb.so
}