Disable wxDatePickerCtrl if wxPopupWindow is not available

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31558 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/chkconf.h

@@ -1609,5 +1609,11 @@
 #   endif
 #endif /* wxUSE_XRC */
 
+/* The generic date picker uses a popup window */
+#if !wxUSE_POPUPWIN
+#    undef wxUSE_DATEPICKCTRL
+#    define wxUSE_DATEPICKCTRL 0
+#endif  /* !wxUSE_POPUPWIN */
+
 #endif /* wxUSE_GUI */