message: Keep myid ifdef MFEM_DEBUG or MFEM_USE_MPI
diff: @@ -29,10 +29,12 @@ void AdvectorCG::SetInitialField(const Vector &init_nodes,
  void AdvectorCG::ComputeAtNewPosition(const Vector &new_nodes,
  Vector &new_field)
  {
  +#if defined(MFEM_DEBUG) || defined(MFEM_USE_MPI)
  + int myid = 0;
  +#endif
  Mesh *m = mesh;
  #ifdef MFEM_USE_MPI
  - int myid = 0;
  if (pfes) { MPI_Comm_rank(pfes->GetComm(), &myid); }
  if (pmesh) { m = pmesh; }
  #endif
  