Apply parts of patch #1719888 to fix compilation on Mac and with

monolithic builds


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46080 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/evtloopunix.cpp

@@ -35,6 +35,10 @@
 
 #define TRACE_EVENTS _T("events")
 
+//this code should not be compiled when GUI is defined
+//(monolithic build issue)
+#if !wxUSE_GUI
+
 // ===========================================================================
 // wxEventLoop::PipeIOHandler implementation
 // ===========================================================================
@@ -190,3 +194,4 @@ void wxConsoleEventLoop::OnNextIteration()
     wxTheApp->CheckSignal();
 }
 
+#endif // !wxUSE_GUI