Introduce preprocessor symbol for more gradual transition

key4hep · Sep 12, 2023 · b62c193 · b62c193
1 parent 3df69cc
commit b62c193
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
@@ -57,6 +57,10 @@ namespace edm4hep {
 #include <UTIL/CellIDEncoder.h>
 #include <lcio.h>
 
+// Preprocessor symbol that can be used in downstream code to switch on the
+// namespace for the conversion
+#define EDM4HEP2LCIOCONV_NAMESPACE 1
+
 namespace EDM4hep2LCIOConv {
 
   template<typename T1, typename T2>