cext: fix for PyLong refactoring in CPython 3.12
Compiling Mercurial with Python 3.12 a5 would fail with:
mercurial/cext/dirs.c: In function '_addpath':
mercurial/cext/dirs.c:19:44: error: 'PyLongObject' {aka 'struct _longobject'} has no member named 'ob_digit'
19 | #define PYLONG_VALUE(o) ((PyLongObject *)o)->ob_digit[0]
| ^~
mercurial/cext/dirs.c:97:25: note: in expansion of macro 'PYLONG_VALUE'
97 | PYLONG_VALUE(val) += 1;
| ^~~~~~~~~~~~
mercurial/cext/dirs.c:19:44: error: 'PyLongObject' {aka 'struct _longobject'} has no member named 'ob_digit'
19 | #define PYLONG_VALUE(o) ((PyLongObject *)o)->ob_digit[0]
| ^~
mercurial/cext/dirs.c:108:17: note: in expansion of macro 'PYLONG_VALUE'
108 | PYLONG_VALUE(val) = 1;
| ^~~~~~~~~~~~
mercurial/cext/dirs.c: In function '_delpath':
mercurial/cext/dirs.c:19:44: error: 'PyLongObject' {aka 'struct _longobject'} has no member named 'ob_digit'
19 | #define PYLONG_VALUE(o) ((PyLongObject *)o)->ob_digit[0]
| ^~
mercurial/cext/dirs.c:145:23: note: in expansion of macro 'PYLONG_VALUE'
145 | if (--PYLONG_VALUE(val) <= 0) {
| ^~~~~~~~~~~~
This was caused by
https://github.com/python/cpython/commit/c1b1f51cd1632f0b77dacd43092fb44ed5e053a9 .
syntax: glob
*.elc
*.tmp
*.orig
*.rej
*~
*.mergebackup
*.o
*.so
*.dll
*.exe
*.pyd
*.pyc
*.pyo
*$py.class
*.swp
*.prof
*.zip
\#*\#
.\#*
tests/artifacts/cache/big-file-churn.hg
tests/.coverage*
tests/.testtimes*
# the file is written in the CWD when run-tests is run.
.testtimes
tests/.hypothesis
tests/hypothesis-generated
tests/annotated
tests/exceptions
tests/python3
tests/*.err
tests/htmlcov
build
contrib/chg/chg
contrib/hgsh/hgsh
contrib/vagrant/.vagrant
contrib/merge-lists/target/
dist
packages
doc/common.txt
doc/*.[0-9]
doc/*.[0-9].txt
doc/*.[0-9].gendoc.txt
doc/*.[0-9].{x,ht}ml
MANIFEST
MANIFEST.in
patches
mercurial/__modulepolicy__.py
mercurial/__version__.py
mercurial/hgpythonlib.h
mercurial.egg-info
.DS_Store
tags
cscope.*
.vscode/*
.idea/*
.asv/*
.pytype/*
.mypy_cache
i18n/hg.pot
locale/*/LC_MESSAGES/hg.mo
hgext/__index__.py
rust/target/
rust/*/target/
# Generated wheels
wheelhouse/
syntax: rootglob
# See Profiling in rust/README.rst
.cargo/config
syntax: regexp
^\.pc/
^\.(pydev)?project
# hackable windows distribution additions
^hg-python
^hg.py$