Your package xpp2 failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=5760021 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
Fixed in xpp2-2.1.10-17
I believe that this bug is fixed in xpp2-2.1.10-17, which is available in Fedora Rawhide, so I am closing this bug now. The build containing the fix can be found at Koji: http://koji.fedoraproject.org/koji/buildinfo?buildID=451909