more Sun C++ compiler warning fixes: in particular, added an ugly but

necessary workaround for avoiding warning in the .xpm files


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13516 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/app.cpp

@@ -868,11 +868,16 @@ int wxEntry( int argc, char *argv[] )
 
 #ifndef __WXUNIVERSAL__
 
+// XPM hack: make the arrays const
+#define static static const
+
 #include "wx/gtk/info.xpm"
 #include "wx/gtk/error.xpm"
 #include "wx/gtk/question.xpm"
 #include "wx/gtk/warning.xpm"
 
+#undef static
+
 wxIcon wxApp::GetStdIcon(int which) const
 {
     switch(which)

src/gtk1/listbox.cpp

@@ -84,7 +84,7 @@ struct wxlistbox_idle_struct
     gint         m_tag;
 };
 
-static gint wxlistbox_idle_callback( gpointer gdata )
+extern "C" gint wxlistbox_idle_callback( gpointer gdata )
 {
     wxlistbox_idle_struct* data = (wxlistbox_idle_struct*) gdata;
     gdk_threads_enter();

src/gtk1/window.cpp

@@ -3755,9 +3755,9 @@ static void SetInvokingWindow( wxMenu *menu, wxWindowGTK *win )
 static gint gs_pop_x = 0;
 static gint gs_pop_y = 0;
 
-static void wxPopupMenuPositionCallback( GtkMenu *menu,
-                                         gint *x, gint *y,
-                                         gpointer WXUNUSED(user_data) )
+extern "C" void wxPopupMenuPositionCallback( GtkMenu *menu,
+                                             gint *x, gint *y,
+                                             gpointer WXUNUSED(user_data) )
 {
     // ensure that the menu appears entirely on screen
     GtkRequisition req;