Hi,
I was able to create GT.M 5.3-003 last night for
CentOS 5.2.
The key for me was to look at the log file for errors,
then install the missing packages, and trying again.
I downloaed and built the ICU package from scratch,
but think that there may be repository solution.
The following "crib" sheet is an "example" I derived
from the README...