first pass of wxUniv merge - nothing works, most parts don't even compile

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/datetime.cpp

@@ -63,6 +63,8 @@
     #pragma hdrstop
 #endif
 
+#if !defined(wxUSE_DATETIME) || wxUSE_DATETIME
+
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/intl.h"
@@ -3711,4 +3713,4 @@ size_t wxDateTimeWorkDays::DoGetHolidaysInRange(const wxDateTime& dtStart,
     return holidays.GetCount();
 }
 
-
+#endif // wxUSE_DATETIME