How can I create a Makefile from Umakefil ?

Im just launching umake.py

I got the message bellow, but nothing happens !

edlima at edlima:~/Projects/Helix/cvs/datatype_tools_dtdriver/datatype/tools/dtdriver/common$ 
umake.py
[#-00000001][2006-08-15 18:15:37][-1210586912][INFO ] : Ribosome v2.4.3
[#-00000002][2006-08-15 18:15:37][-1210586912][INFO ] : Using Python v2.4.3
[#-00000003][2006-08-15 18:15:37][-1210586912][INFO ] : Log dir: 
/home/edlima/Projects/Helix/cvs/datatype_tools_dtdriver/datatype/tools/dtdriver/common/ribosome_logs
[#-00000005][2006-08-15 18:15:37][-1210586912][INFO ] : Running tool: umake


TIA,
Edgard Lima