message: Macro guard Allreduce
diff: @@ -44,6 +44,8 @@ using namespace std;
  namespace {
  +#ifdef RAJA_PERFSUITE_ENABLE_MPI
  +
  void Allreduce(const Checksum_type* send, Checksum_type* recv, int count,
  MPI_Op op, MPI_Comm comm)
  {
  @@ -94,6 +96,8 @@ void Allreduce(const Checksum_type* send, Checksum_type* recv, int count,
  }
  +#endif
  +
  }
  Executor::Executor(int argc, char** argv)
  