message: Quiet warnings
diff: @@ -195,5 +195,12 @@ int main(int argc, char** argv)
  bcs.emplace(info.first, BoundaryCondition {std::move(info.second), dim});
  }
  + return 0;
  +#else // MFEM_STDFUNCTION_COEF
  + // Quiet unused variable warnings
  + AXOM_DEBUG_VAR(argc);
  + AXOM_DEBUG_VAR(argv);
  +
  + return 0;
  #endif // MFEM_STDFUNCTION_COEF
  }
  