[[TOC]] = MG5+Delphes Tutorial - Bologna June 2016 = == Pre-requisites == To successfully build Delphes the following prerequisite packages should be installed: - gcc/tcl: For linux users gcc/tcl should be already installed. For Mac users you should install XCode. - ROOT: can be downloaded from https://root.cern.ch/downloading-root Go on latest release, and download a version under "Binary distributions". Once it is installed, type: source [path_to_installation]/root/bin/thisroot.sh The simply type in a terminal: echo $ROOTSYS If a path is shown then root is properly installed.