message: operator<<() for DistributedRegions does not work on macOS (will fix later)
diff: @@ -610,7 +610,7 @@ namespace ospray {
  auto end = std::unique(allRegions.begin(), allRegions.end());
  allRegions.erase(end, allRegions.end());
  -#if 1
  +#ifndef __APPLE__
  if (logLevel() >= 3) {
  for (int i = 0; i < mpicommon::numGlobalRanks(); ++i) {
  if (i == mpicommon::globalRank()) {
  