Add legacy root compatibility

Author: rlalik

CMakeLists.txt

@@ -97,6 +97,11 @@ target_include_directories(Pluto PRIVATE
     inc
 )
 
+SET(ROOT_VERSION_LEGACY 6.22.00)
+if (${ROOT_VERSION} VERSION_LESS ${ROOT_VERSION_LEGACY})
+    target_compile_definitions(LEGACY_ROOT)
+endif()
+
 #---Create  a main program using the library
 #add_executable(Main MainEvent.cxx)
 #target_link_libraries(Main Event)

src/PAngularDistribution.cc

@@ -80,8 +80,11 @@ PAngularDistribution::PAngularDistribution(const Char_t *id,const  Char_t *de) :
     fParErrors.resize(fNpar);
     fParMin.resize(fNpar);
     fParMax.resize(fNpar);
+#ifdef LEGACY_ROOT
+    fParams = new TF1Parameters(fNpar);
+#else
     fParams = std::move(std::make_unique<TF1Parameters>(fNpar));
-
+#endif
     fParErrors[0]  = 0;
     fParMin[0]     = 0;
     fParMax[0]     = 0;

src/PChannelModel.cc

@@ -181,7 +181,11 @@ PChannelModel::PChannelModel(const Char_t *id, const Char_t *de, Int_t key) :
     fParErrors.resize(fNpar);
     fParMin.resize(fNpar);
     fParMax.resize(fNpar);
+#ifdef LEGACY_ROOT
+    fParams = new TF1Parameters(fNpar);
+#else
     fParams = std::move(std::make_unique<TF1Parameters>(fNpar));
+#endif
     for (int i = 0; i < fNpar; i++) {
 	fParErrors[i]  = 0;
 	fParMin[i]     = 0;