message: check for STAN_MPI
diff: @@ -134,15 +134,16 @@ namespace cmdstan {
  info();
  #ifdef STAN_THREADS
  +#ifndef STAN_MPI
  std::stringstream msg_threads;
  - msg_threads << "STAN_THREADS is enabled. map_rect will run with at most ";
  + msg_threads << "Threading is enabled. map_rect will run with at most ";
  msg_threads << stan::math::internal::get_num_threads();
  msg_threads << " thread(s)." << std::endl;
  info(msg_threads.str());
  #endif
  +#endif
  #ifdef STAN_OPENCL
  -
  std::stringstream msg_opencl;
  if((stan::math::opencl_context.platform().size() > 0) && (stan::math::opencl_context.device().size() > 0)) {
  msg_opencl << "STAN_OPENCL is enabled. OpenCL supported functions will use:" << std::endl;
  