message: removing for cran
diff: @@ -92,10 +92,6 @@ public:
  export_call = r.Protect(
  Rf_lang5(export_fun, factory->arrow_scannable, stream_ptr_sexp, projection_sexp, filters_sexp));
  }
  -//! Otherwise, if different threads call R methods we get a stack error
  -#ifndef _WIN32
  - R_CStackLimit = (uintptr_t)-1;
  -#endif
  RApi::REvalThrows(export_call);
  return res;
  }
  