From ee926511cb72529cd07b74519e58738f01926e90 Mon Sep 17 00:00:00 2001
From: Markus Frank <Markus.Frank@cern.ch>
Date: Mon, 11 Mar 2019 09:38:49 +0100
Subject: [PATCH] Fix compilation of optical physics for lower G4 versions

---
 DDG4/plugins/Geant4ScintillationPhysics.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/DDG4/plugins/Geant4ScintillationPhysics.cpp b/DDG4/plugins/Geant4ScintillationPhysics.cpp
index 91b1eab0e..592c8a2b2 100644
--- a/DDG4/plugins/Geant4ScintillationPhysics.cpp
+++ b/DDG4/plugins/Geant4ScintillationPhysics.cpp
@@ -79,7 +79,9 @@ namespace dd4hep {
         G4Scintillation* process = new G4Scintillation(name());
         process->SetVerboseLevel(m_verbosity);
         process->SetFiniteRiseTime(m_finiteRiseTime);
+#if G4VERSION_NUMBER>1030
         process->SetStackPhotons(m_stackPhotons);
+#endif
         process->SetTrackSecondariesFirst(m_trackSecondariesFirst);
         process->SetScintillationYieldFactor(m_scintillationYieldFactor);
         process->SetScintillationExcitationRatio(m_scintillationExcitationRatio);
-- 
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