From a2551695bfd760f33423a91dcdc287896ceaa052 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 1 Nov 2023 04:25:43 +0100
Subject: [PATCH 1/2] gh-110968: Py_MOD_PER_INTERPRETER_GIL_SUPPORTED was added
 to 3.12

Constants like Py_MOD_PER_INTERPRETER_GIL_SUPPORTED were only added
to the limited C API version 3.12 and newer.
---
 Include/moduleobject.h | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Include/moduleobject.h b/Include/moduleobject.h
index b8bdfe29d80406..1717eb352d2a4d 100644
--- a/Include/moduleobject.h
+++ b/Include/moduleobject.h
@@ -84,13 +84,15 @@ struct PyModuleDef_Slot {
 #define _Py_mod_LAST_SLOT 3
 #endif
 
-/* for Py_mod_multiple_interpreters: */
-#define Py_MOD_MULTIPLE_INTERPRETERS_NOT_SUPPORTED ((void *)0)
-#define Py_MOD_MULTIPLE_INTERPRETERS_SUPPORTED ((void *)1)
-#define Py_MOD_PER_INTERPRETER_GIL_SUPPORTED ((void *)2)
-
 #endif /* New in 3.5 */
 
+/* for Py_mod_multiple_interpreters: */
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030c0000
+#  define Py_MOD_MULTIPLE_INTERPRETERS_NOT_SUPPORTED ((void *)0)
+#  define Py_MOD_MULTIPLE_INTERPRETERS_SUPPORTED ((void *)1)
+#  define Py_MOD_PER_INTERPRETER_GIL_SUPPORTED ((void *)2)
+#endif
+
 struct PyModuleDef {
   PyModuleDef_Base m_base;
   const char* m_name;

From 5bd61d135e3c8db422d9a5169dc255c4194dcd8e Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 1 Nov 2023 04:28:12 +0100
Subject: [PATCH 2/2] Update xxlimited extensions

---
 Modules/xxlimited.c    | 3 ++-
 Modules/xxlimited_35.c | 1 -
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Modules/xxlimited.c b/Modules/xxlimited.c
index 3935c00fc26530..b9646debba9499 100644
--- a/Modules/xxlimited.c
+++ b/Modules/xxlimited.c
@@ -62,7 +62,8 @@
           pass
    */
 
-#define Py_LIMITED_API 0x030b0000
+// Need limited C API version 3.12 for Py_MOD_PER_INTERPRETER_GIL_SUPPORTED
+#define Py_LIMITED_API 0x030c0000
 
 #include "Python.h"
 #include <string.h>
diff --git a/Modules/xxlimited_35.c b/Modules/xxlimited_35.c
index 1ff3ef1cb6f296..361c7e76d77f50 100644
--- a/Modules/xxlimited_35.c
+++ b/Modules/xxlimited_35.c
@@ -293,7 +293,6 @@ xx_modexec(PyObject *m)
 
 static PyModuleDef_Slot xx_slots[] = {
     {Py_mod_exec, xx_modexec},
-    {Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
     {0, NULL}
 };