1. the common helper functions are now in src/unix/utilsunx.cpp

2. POSIX threads are in src/unix/threadpsx.cpp
3. some more functions are detected using configure and not  guessed from the
   platform type


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1867 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/app.cpp

@@ -603,6 +603,12 @@ bool wxYield()
 {
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
+
+    // VZ: is it the same as this (taken from old wxExecute)?
+#if 0
+    XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
+#endif
+
     return TRUE;
 }