Just saw this in the plplot build failure:
DEBUG util.py:256: hal-0.5.12-21.20090226git.fc11.i586 from build has depsolving problems DEBUG util.py:256: --> Missing Dependency: dmidecode >= 2.7 is needed by package hal-0.5.12-21.20090226git.fc11.i586 (build) DEBUG util.py:256: Error: Missing Dependency: dmidecode >= 2.7 is needed by package hal-0.5.12-21.20090226git.fc11.i586 (build)