--- a/libblastem.c	Sun May 10 00:16:00 2020 -0700
+++ b/libblastem.c	Thu Aug 05 09:29:33 2021 -0700
@@ -517,10 +517,22 @@
 {
 }
 
+void render_set_external_sync(uint8_t ext_sync_on)
+{
+}
+
 void bindings_set_mouse_mode(uint8_t mode)
 {
 }
 
+void bindings_release_capture(void)
+{
+}
+
+void bindings_reacquire_capture(void)
+{
+}
+
 extern const char rom_db_data[];
 char *read_bundled_file(char *name, uint32_t *sizeret)
 {