From 46d7398baea4be353832476c926f82cce3c9a281 Mon Sep 17 00:00:00 2001
From: Markus Frank <Markus.Frank@cern.ch>
Date: Thu, 4 Jul 2019 15:04:08 +0200
Subject: [PATCH] Prepare DD4hep for Geant4 units in TGeo; Start digitization
 package

---
 DDDigi/src/DigiKernel.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/DDDigi/src/DigiKernel.cpp b/DDDigi/src/DigiKernel.cpp
index a3aab4ca6..75ae4783e 100644
--- a/DDDigi/src/DigiKernel.cpp
+++ b/DDDigi/src/DigiKernel.cpp
@@ -23,7 +23,9 @@
 #include "DDDigi/DigiContext.h"
 #include "DDDigi/DigiActionSequence.h"
 
+#ifdef DD4HEP_USE_TBB
 #include "tbb/tbb.h"
+#endif
 
 // C/C++ include files
 #include <stdexcept>
-- 
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