starting immediatly there is going to be a mass rebuild of rawhide for gcc-4.7 that landed yesterday.
as approved by FESCo packagers will have just over a week, until Thursday Jan 12 to build packages themselves. After that date releng will kick off an automated mass rebuild of everything else.
So please get building as Fedora 17 branching is less than 5 weeks away. we need all built by then