From f4acf7707ab710611218744505e13944c4780c4b Mon Sep 17 00:00:00 2001
From: tmadlener <thomas.madlener@desy.de>
Date: Tue, 12 Sep 2023 13:47:15 +0200
Subject: [PATCH] Use preprocessor to make converter work always

---
 k4MarlinWrapper/k4MarlinWrapper/converters/EDM4hep2Lcio.h | 2 ++
 k4MarlinWrapper/src/components/EDM4hep2Lcio.cpp           | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/k4MarlinWrapper/k4MarlinWrapper/converters/EDM4hep2Lcio.h b/k4MarlinWrapper/k4MarlinWrapper/converters/EDM4hep2Lcio.h
index 8afa8892..14a3f840 100644
--- a/k4MarlinWrapper/k4MarlinWrapper/converters/EDM4hep2Lcio.h
+++ b/k4MarlinWrapper/k4MarlinWrapper/converters/EDM4hep2Lcio.h
@@ -40,8 +40,10 @@
 #include <string>
 #include <vector>
 
+#ifdef EDM4HEP2LCIOCONV_NAMESPACE
 using EDM4hep2LCIOConv::CollectionsPairVectors;
 using EDM4hep2LCIOConv::vec_pair;
+#endif
 
 class EDM4hep2LcioTool : public GaudiTool, virtual public IEDMConverter {
 public:
diff --git a/k4MarlinWrapper/src/components/EDM4hep2Lcio.cpp b/k4MarlinWrapper/src/components/EDM4hep2Lcio.cpp
index 783c0593..56bd444e 100644
--- a/k4MarlinWrapper/src/components/EDM4hep2Lcio.cpp
+++ b/k4MarlinWrapper/src/components/EDM4hep2Lcio.cpp
@@ -25,7 +25,9 @@
 
 DECLARE_COMPONENT(EDM4hep2LcioTool);
 
+#ifdef EDM4HEP2LCIOCONV_NAMESPACE
 using namespace EDM4hep2LCIOConv;
+#endif
 
 EDM4hep2LcioTool::EDM4hep2LcioTool(const std::string& type, const std::string& name, const IInterface* parent)
     : GaudiTool(type, name, parent), m_eventDataSvc("EventDataSvc", "EDM4hep2LcioTool") {