various tweaks and updates

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15520 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/helpers.cpp

@@ -182,6 +182,8 @@ void __wxPreStart()
     wxPyTMutex = new wxMutex;
 #endif
 
+    wxApp::CheckBuildOptions(wxBuildOptions());
+
     // Bail out if there is already a wxApp created.  This means that the
     // toolkit has already been initialized, as in embedding wxPython in
     // a C++ wxWindows app, so we don't need to call wxEntryStart.