Port to Fedora 39 (Python 3.12)

[socketpair]

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[socketpair]

where to add .patch:

--- old/src/Makefile
+++ new/src/Makefile
@@ -1,14 +1,13 @@
 all:	ctest pam_python3.so test-pam_python.pam
 
-WARNINGS=-Wall -Wextra -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wsign-compare -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Werror
-#WARNINGS=-Wunreachable-code 	# Gcc 4.1 .. 4.4 are too buggy to make this useful
+WARNINGS=-Wall -Wextra -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wsign-compare -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Werror -Wunreachable-code
 
 LIBDIR ?= /lib/security
 
 pam_python3.so: pam_python.c setup.py Makefile
 	@rm -f "$@"
 	@[ ! -e build -o build/lib.*/$@ -nt setup.py -a build/lib.*/$@ -nt Makefile ] || rm -r build
-	CFLAGS="$(WARNINGS)" python3 ./setup.py build
+	CFLAGS="$(CFLAGS) $(WARNINGS)" python3 ./setup.py build
 	@#CFLAGS="-O0 $(WARNINGS)" python3 ./setup.py build --debug
 	@#CFLAGS="-O0 $(WARNINGS)" Py_DEBUG=1 python3 ./setup.py build --debug
 	ln -sf build/lib.*/pam_python3.*.so pam_python3.so
--- old/src/pam_python.c
+++ new/src/pam_python.c
@@ -93,7 +93,32 @@
  */
 static void initialise_python(void)
 {
-#if	PY_MAJOR_VERSION*100 + PY_MINOR_VERSION >= 204
+#if	PY_MAJOR_VERSION*100 + PY_MINOR_VERSION >= 312
+  // https://docs.python.org/3/c-api/init_config.html
+  // PyPreConfig_InitIsolatedConfig(); /// ?????
+  PyConfig config;
+  PyConfig_InitIsolatedConfig(&config);
+  //PyConfig_InitPythonConfig(&config);
+  config.isolated = 1;
+  config.write_bytecode = 0;
+  config.use_environment = 0;
+  config.site_import = 1;
+  config.user_site_directory = 0;
+  config.install_signal_handlers = 0;
+  PyStatus status = Py_InitializeFromConfig(&config); // TODO: 0 (!)
+  if (PyStatus_Exception(status)) {
+     PyConfig_Clear(&config);
+     if (PyStatus_IsExit(status)) {
+        //return status.exitcode;
+     } else {
+        /* Display the error message and exit the process with
+        non-zero exit code */
+        Py_ExitStatusException(status);
+     }
+     abort();
+  }
+  PyConfig_Clear(&config);
+#elif	PY_MAJOR_VERSION*100 + PY_MINOR_VERSION >= 204
   Py_DontWriteBytecodeFlag = 1;
   Py_IgnoreEnvironmentFlag = 1;
   /* Py_IsolatedFlag = 1; 		Python3 only */

?