[CMake] Changes from 2.4.8 to 2.6.4

[Orion Poplawski]

I'm contemplating updating the version of cmake in EPEL[1] 5 from 2.4.8 to 
2.6.4 and was wondering if there were any particular gotchas to be expected 
from this move.  Thanks!

1 - https://fedoraproject.org/wiki/EPEL

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion at cora.nwra.com
Boulder, CO 80301              http://www.cora.nwra.com