message: adding check for HYPRE_BIGINT
diff: #include "mumps.hpp"
  +#ifdef HYPRE_BIGINT
  +#error "MUMPSSolver requires HYPRE_Int == int, for now."
  +#endif
  +
  namespace mfem
  {
  @@ -45,7 +49,7 @@ void MUMPSSolver::SetOperator(const Operator &op)
  row_start = parcsr_op->first_row_index;
  - int nnz = 0;
  + MUMPS_INT8 nnz = 0;
  if (mat_type)
  {
  // count nnz in case of symmetric mode
  