rpmbuild question

[JD]

On F14, - with latest updates as of an hour ago.

Whenever I try to build a package from source rpm,
using rpmbuild, I get scrolling output like:

error: Recursion depth(17) greater than max(16)
  15<                               (empty)
  14<                             /lib/modules/
  13<                           (empty)
  12<                         (empty)
  11<                       (empty)
  10<                     (empty)
   9<                   (empty)
   8<                 (empty)
   7<               (empty)
   6<             %{_kpkgname}-kmdl--debuginfo"
   5<           debuginfo
   5<           jjack
   8<                 %{_kpkgname}" = "%{_kpkgname}" && echo 1 || e...
   7<               1
  14<                             grep -i fedora.core /etc/redhat-r...
  13<                           f
  14<                             %{VERSION}' /etc/redhat-release |...
  13<                           14
  12<                         14 | sed -e's,\.,_,g'
  11<                       f14
  10<                     f14


It seems harmless in the sense that the build completes.

Does anyone know what's causing it, and h ow to fix it?