From 6fe00939b0a471cc149ea5b3c63ca57b049b4a37 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Mon, 9 Aug 2021 22:55:41 +1000
Subject: PyAPI: resolve build error with Python 3.10

Resolves T89931
---
 source/blender/python/mathutils/mathutils.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'source/blender/python')

diff --git a/source/blender/python/mathutils/mathutils.c b/source/blender/python/mathutils/mathutils.c
index 5beca7bd71a..be7dae6871b 100644
--- a/source/blender/python/mathutils/mathutils.c
+++ b/source/blender/python/mathutils/mathutils.c
@@ -95,7 +95,11 @@ Py_hash_t mathutils_array_hash(const float *array, size_t array_len)
   x = 0x345678UL;
   i = 0;
   while (--len >= 0) {
+#if PY_VERSION_HEX >= 0x30a0000 /* Version: 3.10. */
+    y = _Py_HashDouble(NULL, (double)(array[i++]));
+#else
     y = _Py_HashDouble((double)(array[i++]));
+#endif
     if (y == -1) {
       return -1;
     }
-- 
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