cc7 build for CMSSW_7_6_7 and ROOT
ROOT does not seem to work for cc7 builds of CMSSW_7_6_7
See https://hypernews.cern.ch/HyperNews/CMS/get/swDevelopment/3592.html
ROOT does not seem to work for cc7 builds of CMSSW_7_6_7
See https://hypernews.cern.ch/HyperNews/CMS/get/swDevelopment/3592.html