CDAT is currently supported on:
Linux systems kernel 2.2 and up
Sun/Solaris (we tested 5.6)
Dec OSF 1 (we tested 5.0)
Irix (we tested 6.5)
HP-UX 11.0 (We know 10 will not work)
MacOSX "Darwin"
We're working on a bug building Python on AIX.