# Changes between Version 26 and Version 27 of InstallingMars

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Timestamp:
Nov 7, 2019, 9:08:31 AM (11 months ago)
Comment:

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 v26 }}} Before you run *cmake*, please make sure that your root environment has been properly initialized. With recent ROOT versions it is often enough if root-config is in your path. That is usually the case if you can execute root easily from your command line (or root-config itself) or if export | grep ROOTSYS gives a reasonable result. Otherwise, call thisroot.sh from your root installation. Assuming root is installed in /opt/root-6.14.04, this would be: To install Mars, you need a working ROOT environment. For the installation of ROOT, plese refer to InstallingROOT. Before you run *cmake*, please make sure that your ROOT environment has been properly initialized. With recent ROOT versions it is often enough if root-config is in your path. That is usually the case if you can execute root easily from your command line (or root-config itself) or if export | grep ROOTSYS gives a reasonable result. Otherwise, call thisroot.sh from your root installation. Assuming root is installed in /opt/root-6.14.04, this would be: {{{ [X] . /opt/root-6.14.04/bin/thisroot.sh