setup cdfsoft2 4.9.1
newrel -t 4.9.1 myRel
cd myRel
addpkg MetObjects
addpkg PADSMods
addpkg CosmicObjects dev_V2_03
addpkg TrackingObjects btag_4_9_1_v02
addpkg TrackingUserMods btag_4_9_1_v02

The user needs to pick up these extra files:

CdfMetNtuplizer.hh to go in MetObjects/MetObjects
CdfMetNtuplizer.cc to go in MetObjects/ntuple

GNUmakefile to go in PADSMods/src
NtupleOutputModule.cc to go in PADSMods/src
eN.cc to go in PADSMods/src
NtupleOutputModule.hh to go in PADSMods/PADSMods

CosmicRayInfoNtuplizer.cc to go in CosmicObjects/ntuple/

setenv USESHLIBS yes
gmake MetObjects.nobin; gmake TrackingObjects.nobin;TrackingUserMods.nobin;PADSMods.nobin;
gmake PADSMods.bin

An example tcl file to run this version of eN on MC data is here