message: Undoing the #error in favor of a #pragma to fix CircleCI builds.
diff: @@ -235,7 +235,8 @@ void MainMenuState::btnHelpClicked()
  #elif defined(__APPLE__)
  system("open https://wiki.outpost2.net/doku.php?id=outposthd:how_to_play");
  #else
  - #error Open a web page support on the current platform not implemented.
  + //#error Open a web page support on the current platform not implemented.
  + #pragma message( "Open a web page support on the current platform not implemented." )
  #endif
  }
  