[brad@brad ~]$ mock -r fedora-devel-i386 rebuild repo/8.90/SRPMS/emacs-23.0.60-0.7.20080305cvs.fc9.src.rpm 
INFO: mock.py version 0.9.7 starting...
State Changed: init plugins
State Changed: start
INFO: Start(repo/8.90/SRPMS/emacs-23.0.60-0.7.20080305cvs.fc9.src.rpm)  Config(fedora-development-i386)
State Changed: lock buildroot
State Changed: clean
State Changed: init
State Changed: lock buildroot
INFO: enabled root cache
INFO: enabled yum cache
State Changed: cleaning yum metadata
INFO: enabled ccache
State Changed: running yum
ERROR: Exception(repo/8.90/SRPMS/emacs-23.0.60-0.7.20080305cvs.fc9.src.rpm) Config(fedora-development-i386) 0 minutes 4 seconds
INFO: Results and/or logs in: /var/lib/mock//fedora-development-i386/result
ERROR: Command failed: 
 # /usr/bin/yum --installroot /var/lib/mock/fedora-development-i386/root/  groupinstall buildsys-build
Error: Failure finding best provider of libc.so.6(GLIBC_2.2) for bzip2-1.0.4-14.fc9.i386, exceeded maximum loop length

[brad@brad ~]$