README

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INSTRUCTIONS FOR INSTALLATION 

## On NAF
module load cmssw
## Create a CMSSW project, e.g.
setenv SCRAM_ARCH slc6_amd64_gcc493
scram p -s CMSSW CMSSW_7_6_3
cd CMSSW_7_6_3/src
cmsenv

## Installing the head
## Clone the head (branch develop) of the repository (notice the dot at the end,
## it helps preserve the directory structure of CMSSW)
git clone https://github.com/desy-cms/analysis.git .
scram b -j4

## If you want to use a frozen tag (latest one is winter15-pre2 from 22 Feb 2016)
git checkout tags/winter15-pre2 -b winter15-pre2
scram b distclean
scram b -j4


## CMSSW_7_4_X 
## If you are using CMSSW_7_4_X you need to uncomment the first line of
## Analysis/Ntuplizer/interface/TriggerAccepts.h
## That's a workaround to be able to save the trigger pre-scales that
## changed in CMSSW_7_6_X