diff --git a/gdk/gdkconfig.h.meson b/gdk/gdkconfig.h.meson
index 867b430e43..d5b48f3184 100644
--- a/gdk/gdkconfig.h.meson
+++ b/gdk/gdkconfig.h.meson
@@ -16,6 +16,8 @@ G_BEGIN_DECLS
 #mesondefine GDK_WINDOWING_WAYLAND
 #mesondefine GDK_WINDOWING_WIN32
 
+#mesondefine GDK_RENDERING_CAIRO
+#mesondefine GDK_RENDERING_GL
 #mesondefine GDK_RENDERING_VULKAN
 
 G_END_DECLS
diff --git a/gdk/meson.build b/gdk/meson.build
index 6c1deecc04..c690ef821e 100644
--- a/gdk/meson.build
+++ b/gdk/meson.build
@@ -161,6 +161,8 @@ gdkconfig_cdata.set('GDK_WINDOWING_WAYLAND', wayland_enabled)
 gdkconfig_cdata.set('GDK_WINDOWING_WIN32', win32_enabled)
 gdkconfig_cdata.set('GDK_WINDOWING_BROADWAY', broadway_enabled)
 gdkconfig_cdata.set('GDK_WINDOWING_MACOS', macos_enabled)
+gdkconfig_cdata.set('GDK_RENDERING_CAIRO', true)
+gdkconfig_cdata.set('GDK_RENDERING_GL', true)
 gdkconfig_cdata.set('GDK_RENDERING_VULKAN', have_vulkan)
 
 gdkconfig = configure_file(