gtkbubblewindow.h was including gtk.h, which in turn included
gtkselectionwindow.h, leading to build failure.
#include <gdk/gdk.h>
#include <cairo-gobject.h>
#include "gtkbubblewindow.h"
+#include "gtktypebuiltins.h"
+#include "gtkmain.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#error "Only <gtk/gtk.h> can be included directly."
#endif
-#include <gtk/gtk.h>
+#include <gtk/gtkwindow.h>
G_BEGIN_DECLS
#include "config.h"
#include "gtkselectionwindow.h"
+#include "gtkactiongroup.h"
+#include "gtkuimanager.h"
+#include "gtkclipboard.h"
+#include "gtktoolbar.h"
#include "gtkprivate.h"
#include "gtkintl.h"