1#ifndef __GDKCONFIG_H__
2#define __GDKCONFIG_H__
3
4#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
5#error "Only <gdk/gdk.h> can be included directly."
6#endif
7
8#include <glib.h>
9
10G_BEGIN_DECLS
11
12
13#define GDK_WINDOWING_X11
14#define GDK_WINDOWING_BROADWAY
15#define GDK_WINDOWING_WAYLAND
16#undef GDK_WINDOWING_WIN32
17#undef GDK_WINDOWING_QUARTZ
18
19G_END_DECLS
20
21#endif /* __GDKCONFIG_H__ */
22

source code of include/gtk-3.0/gdk/gdkconfig.h