This version fixes a long standing problem of AnalysisTree with
ROOT versions >= 6.20. The produced files couldn't be read anylonger.
The problems is discussed in detail at https://redmine.cbm.gsi.de/issues/2108

Viktor Klochkov authored 4 years ago and Florian Uhlig committed 4 years ago

 * Added TRD and RICH information
 * Updates corresponding to new AnalysisTree version
 * Some fixes from feedback
 * Add test of AnalysisTreeQA

Use standard CMake variable to define C++ version.
Pass the version to AnalysisTree package such that code is properly
compiled.

The latest version fixes some compiler warnings.

Use commit hash of a tag instead of tag name to define the needed git version.
The hash is needed to check the already downloaded and build version.
Without the hash after each run of CMake the libraries are rebuild.
Using the hash only rebuild the libraries if there is a change of the hash.