Support ROOT 6.36

Author: ktf

Framework/AnalysisSupport/CMakeLists.txt

@@ -24,10 +24,18 @@ o2_add_library(FrameworkAnalysisSupport
                PRIVATE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_LIST_DIR}/src
                PUBLIC_LINK_LIBRARIES O2::Framework ${EXTRA_TARGETS} ROOT::TreePlayer)
 
+# To support both pre and post 6.36 API changes in RNTuple
+if(ROOT_MAJOR_VERSION EQUAL 6 AND ROOT_MINOR_VERSION LESS 36)
+o2_add_library(FrameworkAnalysisRNTupleSupport
+               SOURCES src/RNTupleExperimentalPlugin.cxx
+               PRIVATE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_LIST_DIR}/src
+               PUBLIC_LINK_LIBRARIES O2::Framework ${EXTRA_TARGETS} ROOT::ROOTNTuple ROOT::ROOTNTupleUtil)
+else()
 o2_add_library(FrameworkAnalysisRNTupleSupport
                SOURCES src/RNTuplePlugin.cxx
                PRIVATE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_LIST_DIR}/src
                PUBLIC_LINK_LIBRARIES O2::Framework ${EXTRA_TARGETS} ROOT::ROOTNTuple ROOT::ROOTNTupleUtil)
+endif()
 
 o2_add_library(FrameworkAnalysisTTreeSupport
                SOURCES src/TTreePlugin.cxx

Framework/AnalysisSupport/src/Plugin.cxx

@@ -121,7 +121,11 @@ std::vector<std::string> getListOfTables(std::unique_ptr<TFile>& f)
       break;
     }
 
-    void* v = f->GetObjectChecked(key->GetName(), TClass::GetClass("ROOT::Experimental::RNTuple"));
+    void* v = f->GetObjectChecked(key->GetName(), TClass::GetClass("ROOT::RNTuple"));
+    // Backward compatibility
+    if (!v) {
+      v = f->GetObjectChecked(key->GetName(), TClass::GetClass("ROOT::Experimental::RNTuple"));
+    }
     if (v) {
       std::string s = key->GetName();
       size_t pos = s.find('-');