Changes between Version 7 and Version 8 of InstallingMars

Timestamp:

11/07/18 09:56:02 (6 years ago)

Author:

tbretz

Comment:

--

InstallingMars

@@ -19 +19 @@
 }}}
 
-Before you run *cmake*, please make sure that your root environment has been properly initialized. That is usually the case if you can execute root easily from your commandline 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:
+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 commandline (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
@@ -43 +43 @@
 }}}
 
-instead. 
+instead. If you are not sure which compiler to use, just use the default and see if it works. (In almost all cases using a different compiler is not worth it)
 
 CMake will check for the availablility of all important packages. For Mars, this is mainly *root* and *libnova*. Although, we have managed to compile Mars with pre-installed binary packages, it is advised that you install root from scratch (see http://root.cern.ch). Libnova (if there is no package available -- don't forget the dev-package!) can be found here http://libnova.sourceforge.net/index.html and should be easy to compile (`./configure && make`.