Fix enum_type_object type on Python 3.11

boost-1.76.0-enum_type_object-type-python-3.11.patch

@@ -0,0 +1,35 @@
+From ae5da2a7e8f1111757d8a474095486a5b22aa12d Mon Sep 17 00:00:00 2001
+From: Victor Stinner <vstinner@python.org>
+Date: Mon, 25 Apr 2022 10:51:46 +0200
+Subject: [PATCH] Fix enum_type_object type on Python 3.11
+
+The enum_type_object type inherits from PyLong_Type which is not tracked
+by the GC. Instances doesn't have to be tracked by the GC: remove the
+Py_TPFLAGS_HAVE_GC flag.
+
+The Python C API documentation says:
+
+    "To create a container type, the tp_flags field of the type object
+    must include the Py_TPFLAGS_HAVE_GC and provide an implementation of
+    the tp_traverse handler."
+
+https://docs.python.org/dev/c-api/gcsupport.html
+
+The new exception was introduced in Python 3.11 by:
+https://github.com/python/cpython/issues/88429
+---
+ libs/python/src/object/enum.cpp | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/libs/python/src/object/enum.cpp b/libs/python/src/object/enum.cpp
+index 293e705899..5753b32e07 100644
+--- a/libs/python/src/object/enum.cpp
++++ b/libs/python/src/object/enum.cpp
+@@ -113,7 +113,6 @@ static PyTypeObject enum_type_object = {
+ #if PY_VERSION_HEX < 0x03000000
+     | Py_TPFLAGS_CHECKTYPES
+ #endif
+-    | Py_TPFLAGS_HAVE_GC
+     | Py_TPFLAGS_BASETYPE,                  /* tp_flags */
+     0,                                      /* tp_doc */
+     0,                                      /* tp_traverse */

boost.spec

@@ -42,7 +42,7 @@ Name: boost
 %global real_name boost
 Summary: The free peer-reviewed portable C++ source libraries
 Version: 1.76.0
-Release: 10%{?dist}
+Release: 11%{?dist}
 License: Boost and MIT and Python
 
 # Replace each . with _ in %%{version}
@@ -173,6 +173,9 @@ Patch104: boost-1.76.0-fix-narrowing-conversions-for-ppc.patch
 # https://github.com/boostorg/ptr_container/pull/27
 Patch105: boost-1.76.0-ptr_cont-xml.patch
 
+# https://github.com/boostorg/python/pull/385
+Patch106: boost-1.76.0-enum_type_object-type-python-3.11.patch
+
 %bcond_with tests
 %bcond_with docs_generated
 
@@ -700,6 +703,7 @@ find ./boost -name '*.hpp' -perm /111 | xargs chmod a-x
 %patch103 -p2
 %patch104 -p2
 %patch105 -p1
+%patch106 -p1
 
 %build
 %set_build_flags
@@ -1301,6 +1305,9 @@ fi
 %{_mandir}/man1/b2.1*
 
 %changelog
+* Tue Apr 26 2022 Miro Hrončok <mhroncok@redhat.com> - 1.76.0-11
+- Fix enum_type_object type on Python 3.11
+
 * Thu Mar 31 2022 Jonathan Wakely <jwakely@redhat.com> - 1.76.0-10
 - Add patch to fix XML validation errors in ptr_container docs