diff --git a/DDDigi/src/DigiKernel.cpp b/DDDigi/src/DigiKernel.cpp index a3aab4ca6449c705c809efb3a90061d6f82eea91..75ae4783eb5dcd341fa53f048ea3c36ab26179a0 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>