In reply to the patch provided at https://git.hadrons.org/cgit/debian/dpkg/dpkg.git/commit/?h=next/1.21.x&id=e001449c6ce437a5827bcb1c582d600874b8a87f
for now this is a no-op patch, because -flto isn't passed to to the link commands. -flto=auto also needs to be passed in LDFLAGS. -ffat-lto-objects isn't needed in LDFLAGS, but doesn't hurt.
