From e902ab516087ef512ea9b3e06564cb246edcc50d Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Mon, 6 Dec 2021 23:11:07 +0100
Subject: [PATCH] Add Python 3.11 support: use Py_SET_TYPE()

On Python 3.9 and newer, SwigPyBuiltin_SetMetaType() now calls
Py_SET_TYPE(). Py_TYPE() can no longer be usd as an l-value on
Python 3.11:

* https://docs.python.org/dev/c-api/structures.html#c.Py_SET_TYPE
* https://docs.python.org/dev/whatsnew/3.11.html#c-api-changes
---
 Lib/python/builtin.swg | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Lib/python/builtin.swg b/Lib/python/builtin.swg
index 4f31a8d54..ec092233d 100644
--- a/Lib/python/builtin.swg
+++ b/Lib/python/builtin.swg
@@ -414,7 +414,11 @@ SwigPyBuiltin_ThisClosure (PyObject *self, void *SWIGUNUSEDPARM(closure)) {
 SWIGINTERN void
 SwigPyBuiltin_SetMetaType (PyTypeObject *type, PyTypeObject *metatype)
 {
+#if PY_VERSION_HEX >= 0x030900A4
+    Py_SET_TYPE(type, metatype);
+#else
     Py_TYPE(type) = metatype;
+#endif
 }