cmsrel CMSSW_5_2_5
cd CMSSW_5_2_5/src
cmsenv

cd .. && cvs co -d src/ UserCode/YErdogan && cd -

addpkg DetectorDescription/Algorithm
addpkg SimG4Core/Application
addpkg SimG4CMS/Muon
addpkg Geometry/CommonDetUnit
addpkg Geometry/MuonNumbering

MTTStudies/Patches/ApplyPatches_CMSSW_5_2_5_patch1.sh

scram b -j6

To use L1Tracks, follow the steps on [SLHC Tracking Trigger SW Tools: Trigger Primitives and Objects ], but check out the Code from our rep first. then do

addpkg DetectorDescription/Algorithm
addpkg SimG4Core/Application
addpkg SimG4CMS/Muon
addpkg Geometry/CommonDetUnit
addpkg Geometry/MuonNumbering
cvs up -r HEAD DetectorDescription/Algorithm
MTTStudies/Patches/ApplyPatches_CMSSW_5_2_5_patch1.sh