Merge branch 'mastermctester' into 'master'

Update MCTester cmake config.

See merge request atlas/athena!49625

Generators/MCTester_i/CMakeLists.txt

@@ -6,19 +6,8 @@ atlas_subdir( MCTester_i )
 # External dependencies:
 find_package( MCTester )
 find_package( ROOT COMPONENTS Core Tree MathCore Hist RIO pthread MathMore Minuit Minuit2 Matrix Physics HistPainter Rint Graf Graf3d Gpad Html Postscript Gui GX11TTF GX11 )
-if (HEPMC3_USE)
-  set( MCTester_sources src/MCTesterAlg.cxx 
-                      ${HEPMC3_INCLUDE_DIR}/../share/HepMC3/interfaces/mc-tester/src/HepMC3Particle.cxx 
-                      ${HEPMC3_INCLUDE_DIR}/../share/HepMC3/interfaces/mc-tester/src/HepMC3Event.cxx) 
-  set( HEPMC_MCTester_INTERFACE_DIR ${HEPMC3_INCLUDE_DIR}/../share/HepMC3/interfaces/mc-tester/include)
-  #This is needed for HepMC3 only as the HepMC2 interface compiled in MC-TESTER (with the same warnings) 
-  #Should be removed after next MC-TESTER release
-  set_source_files_properties("${HEPMC3_INCLUDE_DIR}/../share/HepMC3/interfaces/mc-tester/src/HepMC3Event.cxx" PROPERTIES COMPILE_FLAGS "-Wno-ignored-qualifiers -Wno-unused-parameter")
-  set_source_files_properties("${HEPMC3_INCLUDE_DIR}/../share/HepMC3/interfaces/mc-tester/src/HepMC3Particle.cxx" PROPERTIES COMPILE_FLAGS "-Wno-ignored-qualifiers -Wno-unused-parameter")
-else()
-  set( MCTester_sources src/MCTesterAlg.cxx)
-  set( HEPMC_MCTester_INTERFACE_DIR ${MCTESTER_INCLUDE_DIRS})
-endif()
+set( MCTester_sources src/MCTesterAlg.cxx)
+set( HEPMC_MCTester_INTERFACE_DIR ${MCTESTER_INCLUDE_DIRS})
 
 # Component(s) in the package:
 atlas_add_component( MCTester_i