From https://github.com/progandy/wdomirror/issues/5#issuecomment-1103265438

--- a/main.c
+++ b/main.c
@@ -409,9 +409,12 @@ xdg_toplevel_handle_close(void *data, struct xdg_toplevel *xdg_toplevel)
   ctx->quit = true;
 }

+static void xdg_toplevel_handle_configure_bounds(void *data, struct xdg_toplevel *toplevel, int32_t width, int32_t height) {}
+
 static const struct xdg_toplevel_listener xdg_toplevel_listener = {
   xdg_toplevel_handle_configure,
   xdg_toplevel_handle_close,
+  xdg_toplevel_handle_configure_bounds,
 };