Add patch for use with Python 3.11

recipe/meta.yaml

@@ -16,9 +16,10 @@ source:
     - patches/gh94.patch
     - patches/gh95.patch
     - patches/gh96.patch
+    - patches/0001-Fix-Python-3.11-by-removing-use-of-sysconfig._is_pyt.patch
 
 build:
-  number: 7
+  number: 8
   noarch: python
   script: {{ PYTHON }} -m pip install . -vv
 

recipe/patches/0001-Fix-Python-3.11-by-removing-use-of-sysconfig._is_pyt.patch

@@ -0,0 +1,51 @@
+From a8daf66c07ba9e23c6cdae85c799111a3e3bb4a4 Mon Sep 17 00:00:00 2001
+From: Chris Burr <[email protected]>
+Date: Tue, 25 Oct 2022 13:46:35 +0200
+Subject: [PATCH] Fix Python 3.11 by removing use of
+ sysconfig._is_python_source_dir
+
+---
+ crossenv/__init__.py | 4 ++--
+ crossenv/utils.py    | 7 +++++++
+ 2 files changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/crossenv/__init__.py b/crossenv/__init__.py
+index d12fd82..9821b12 100644
+--- a/crossenv/__init__.py
++++ b/crossenv/__init__.py
+@@ -16,7 +16,7 @@ import platform
+ import pprint
+ import re
+
+-from .utils import F
++from .utils import F, is_python_source_dir
+ from . import utils
+
+ __version__ = '1.3.0'
+@@ -245,7 +245,7 @@ class CrossEnvBuilder(venv.EnvBuilder):
+         else:
+             self.host_project_base = os.path.dirname(host)
+
+-        if sysconfig._is_python_source_dir(self.host_project_base):
++        if is_python_source_dir(self.host_project_base):
+             self.host_makefile = os.path.join(self.host_project_base, 'Makefile')
+             pybuilddir = os.path.join(self.host_project_base, 'pybuilddir.txt')
+             try:
+diff --git a/crossenv/utils.py b/crossenv/utils.py
+index 4c048ae..9a22708 100644
+--- a/crossenv/utils.py
++++ b/crossenv/utils.py
+@@ -125,3 +125,10 @@ def install_script(name, dst, context=None, perms=0o755):
+
+     with overwrite_file(dst, perms=perms) as fp:
+         fp.write(src)
++
++
++def is_python_source_dir(d):
++    for fn in ("Setup", "Setup.local"):
++        if os.path.isfile(os.path.join(d, "Modules", fn)):
++            return True
++    return False
+-- 
+2.38.1
+