message: Fixed compiler flag for build on Mac
diff: @@ -1067,7 +1067,7 @@ boost::filesystem::path GetDefaultDataDir()
  pathRet = fs::path("/");
  else
  pathRet = fs::path(pszHome);
  - #ifdef MAC_OSX
  + #ifdef __APPLE__
  // Mac
  pathRet /= "Library/Application Support";
  fs::create_directory(pathRet);
  @@ -1099,7 +1099,7 @@ boost::filesystem::path GetOldDefaultDataDir()
  pathRet = fs::path("/");
  else
  pathRet = fs::path(pszHome);
  - #ifdef MAC_OSX
  + #ifdef __APPLE__
  // Mac
  pathRet /= "Library/Application Support";
  fs::create_directory(pathRet);
  @@ -1516,7 +1516,7 @@ void RenameThread(const char* name)
  pthread_set_name_np(pthread_self(), name);
  // This is XCode 10.6-and-later; bring back if we drop 10.5 support:
  -// #elif defined(MAC_OSX)
  +// #elif defined(__APPLE__)
  // pthread_setname_np(name);
  #else
  