From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20021218
Description of problem:
mkinitrd fails compilation if dietlibc is not installed.
(Please also consider the patch in Bug 80119.)
Version-Release number of selected component (if applicable):
We can't buildrequire dietlibc because it doesn't exist on all arches and our
build system doesn't actually parse the spec files, so we can't do an %ifarch'd