diff --git a/python/port/genhdr/moduledefs.h b/python/port/genhdr/moduledefs.h
new file mode 100644
index 000000000..9f758732c
--- /dev/null
+++ b/python/port/genhdr/moduledefs.h
@@ -0,0 +1,13 @@
+// Automatically generated by makemoduledefs.py.
+
+#if (MICROPY_PY_ARRAY)
+    extern const struct _mp_obj_module_t mp_module_array;
+    #define MODULE_DEF_MP_QSTR_ARRAY { MP_ROM_QSTR(MP_QSTR_array), MP_ROM_PTR(&mp_module_array) },
+#else
+    #define MODULE_DEF_MP_QSTR_ARRAY
+#endif
+
+
+#define MICROPY_REGISTERED_MODULES \
+    MODULE_DEF_MP_QSTR_ARRAY \
+// MICROPY_REGISTERED_MODULES