When building against glib-2.82.4: ``` panel-plugin-external-wrapper-exported.c: In function ‘xfce_panel_plugin_wrapper_exported_skeleton_dbus_interface_get_properties’: panel-plugin-external-wrapper-exported.c:1564:33: warning: "GLIB_VERSION_2_84" is not defined, evaluates to 0 [-Wundef] 1564 | #if GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_84 | ^~~~~~~~~~~~~~~~~ panel-plugin-external-wrapper-exported.c:1565:3: error: implicit declaration of function ‘g_variant_builder_init_static’; did you mean ‘g_variant_builder_init’? [-Wimplicit-function-declaration] 1565 | g_variant_builder_init_static (&builder, G_VARIANT_TYPE ("a{sv}")); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | g_variant_builder_init panel-plugin-external-wrapper-exported.c:1565:3: warning: nested extern declaration of ‘g_variant_builder_init_static’ [-Wnested-externs] panel-gdbus-exported-service.c: In function ‘xfce_panel_exported_service_skeleton_dbus_interface_get_properties’: panel-gdbus-exported-service.c:2273:33: warning: "GLIB_VERSION_2_84" is not defined, evaluates to 0 [-Wundef] 2273 | #if GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_84 | ^~~~~~~~~~~~~~~~~ panel-gdbus-exported-service.c:2274:3: error: implicit declaration of function ‘g_variant_builder_init_static’; did you mean ‘g_variant_builder_init’? [-Wimplicit-function-declaration] 2274 | g_variant_builder_init_static (&builder, G_VARIANT_TYPE ("a{sv}")); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | g_variant_builder_init panel-gdbus-exported-service.c:2274:3: warning: nested extern declaration of ‘g_variant_builder_init_static’ [-Wnested-externs] ```