They are a rename of older packages; upstream has consolidated multiple source tarballs into one thus simplifying building:

http://koji.fedoraproject.org/koji/search?match=glob&type=package&terms=*guac*

Taking anything in return.

Thanks & regards,

--Simone

You cannot discover new oceans unless you have the courage to lose sight of the shore (R. W. Emerson).

http://xkcd.com/229/