package/libpwquality: fix build with python 3.12

Switch from distutils to setuptools to avoid the following build failure
raised since bump of python to version 3.12.1 in commit
36e635d2d5c0166476858aa239ccbe78e8f2af14:

Traceback (most recent call last):
  File "/home/fabrice/buildroot/output/build/libpwquality-1.4.5/python/setup.py", line 9, in <module>
    from distutils.core import setup, Extension
ModuleNotFoundError: No module named 'distutils'

Fixes: 36e635d2d5c0166476858aa239ccbe78e8f2af14
No autobuilder failures (yet)

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libpwquality/0001-Use-setuptools-instead-of-distutils.patch

@@ -0,0 +1,78 @@
+From 7b5e0f0097faebdcc6a8b783237bbba7a983147a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
+Date: Fri, 31 Mar 2023 14:52:19 +0200
+Subject: [PATCH] Use setuptools instead of distutils
+
+distutils is removed from Python 3.12+:
+https://peps.python.org/pep-0632/
+
+Upstream: https://github.com/libpwquality/libpwquality/commit/7b5e0f0097faebdcc6a8b783237bbba7a983147a
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ libpwquality.spec.in | 11 ++---------
+ python/Makefile.am   |  2 +-
+ python/setup.py.in   |  6 +++---
+ 3 files changed, 6 insertions(+), 13 deletions(-)
+
+diff --git a/libpwquality.spec.in b/libpwquality.spec.in
+index 70a6f53..0809126 100644
+--- a/libpwquality.spec.in
++++ b/libpwquality.spec.in
+@@ -33,9 +33,11 @@ BuildRequires: gettext
+ BuildRequires: pam-devel
+ %if %{with python2}
+ BuildRequires: python2-devel
++BuildRequires: python2-setuptools
+ %endif
+ %if %{with python3}
+ BuildRequires: python3-devel
++BuildRequires: python3-setuptools
+ %endif
+ 
+ URL: https://github.com/libpwquality/libpwquality/
+@@ -103,15 +105,6 @@ cp -a . %{py3dir}
+ pushd %{py3dir}
+ %endif
+ %if %{with python3}
+-# setuptools >= 60 changes the environment to use its bundled copy of distutils
+-# by default, not the Python-bundled one. To run the Python's standard library
+-# distutils, the environment variable must be set.
+-# Although technically setuptools is not needed for this package, if it's
+-# pulled by another package, it changes the environment and consequently,
+-# the build fails. This was reported in:
+-# https://github.com/pypa/setuptools/issues/3143
+-export SETUPTOOLS_USE_DISTUTILS=stdlib
+-
+ %configure \
+ 	--with-securedir=%{_moduledir} \
+ 	--with-pythonsitedir=%{python3_sitearch} \
+diff --git a/python/Makefile.am b/python/Makefile.am
+index 1d00c0c..6e51744 100644
+--- a/python/Makefile.am
++++ b/python/Makefile.am
+@@ -14,7 +14,7 @@ all-local:
+ 	CFLAGS="${CFLAGS} -fno-strict-aliasing" @PYTHONBINARY@ setup.py build --build-base py$(PYTHONREV)
+ 
+ install-exec-local:
+-	CFLAGS="${CFLAGS} -fno-strict-aliasing" @PYTHONBINARY@ setup.py build --build-base py$(PYTHONREV) install --prefix=${DESTDIR}${prefix}
++	CFLAGS="${CFLAGS} -fno-strict-aliasing" @PYTHONBINARY@ setup.py build --build-base py$(PYTHONREV) install --root ${DESTDIR} --prefix=${prefix}
+ 
+ clean-local:
+ 	rm -rf py$(PYTHONREV)
+diff --git a/python/setup.py.in b/python/setup.py.in
+index a741b91..f934c50 100755
+--- a/python/setup.py.in
++++ b/python/setup.py.in
+@@ -6,9 +6,9 @@
+ 
+ import os
+ 
+-from distutils.core import setup, Extension
+-from distutils.command.build_ext import build_ext as _build_ext
+-from distutils.command.sdist import sdist as _sdist
++from setuptools import setup, Extension
++from setuptools.command.build_ext import build_ext as _build_ext
++from setuptools.command.sdist import sdist as _sdist
+ 
+ def genconstants(headerfile, outputfile):
+     hf = open(headerfile, 'r')

package/libpwquality/libpwquality.mk

@@ -11,11 +11,13 @@ LIBPWQUALITY_LICENSE = BSD-3-Clause or GPL-2.0+
 LIBPWQUALITY_INSTALL_STAGING = YES
 LIBPWQUALITY_DEPENDENCIES = cracklib
 LIBPWQUALITY_LICENSE_FILES = COPYING
+# We're patching python/Makefile.am
+LIBPWQUALITY_AUTORECONF = YES
 
 ifeq ($(BR2_PACKAGE_PYTHON3),y)
 LIBPWQUALITY_CONF_OPTS += --enable-python-bindings
-LIBPWQUALITY_DEPENDENCIES += python3
-LIBPWQUALITY_MAKE_ENV += $(PKG_PYTHON_DISTUTILS_ENV)
+LIBPWQUALITY_DEPENDENCIES += python3 host-python-setuptools
+LIBPWQUALITY_MAKE_ENV += $(PKG_PYTHON_SETUPTOOLS_ENV)
 else
 LIBPWQUALITY_CONF_OPTS += --disable-python-bindings
 endif