Recent Sun CC versions support this but perhaps older ones can compile this
code too, adjust the version check if this is the case (unfortunately we
can't easily test for the things used in wx/event.h in configure so we have
Recent Sun CC versions support this but perhaps older ones can compile this
code too, adjust the version check if this is the case (unfortunately we
can't easily test for the things used in wx/event.h in configure so we have