--- a/Modules/posixmodule.c     (index)
+++ b/Modules/posixmodule.c     (working tree)
@@ -288,6 +288,7 @@ corresponding Unix manual entries for more information on calls.");
 #endif
 #ifdef HAVE_GETRANDOM_SYSCALL
 #  include <sys/syscall.h>
+#  include <sys/random.h>
 #endif

 #if defined(MS_WINDOWS)
--- a/Lib/doctest.py	(index)
+++ b/Lib/doctest.py	(working tree)
@@ -957,7 +957,7 @@ class DocTestFinder:
             return module.__dict__ is object.__globals__
         elif (inspect.ismethoddescriptor(object) or
               inspect.ismethodwrapper(object)):
-            if hasattr(object, '__objclass__'):
+            if hasattr(object, '__objclass__') and hasattr(object.__objclass__, '__module__'):
                 obj_mod = object.__objclass__.__module__
             elif hasattr(object, '__module__'):
                 obj_mod = object.__module__
@@ -965,7 +965,10 @@ class DocTestFinder:
                 return True # [XX] no easy way to tell otherwise
             return module.__name__ == obj_mod
         elif inspect.isclass(object):
-            return module.__name__ == object.__module__
+            try:
+                return module.__name__ == object.__module__
+            except:
+                return True
         elif hasattr(object, '__module__'):
             return module.__name__ == object.__module__
         elif isinstance(object, property):
--- a/Lib/multiprocessing/popen_spawn_win32.py	(index)
+++ b/Lib/multiprocessing/popen_spawn_win32.py	(working tree)
@@ -65,5 +65,6 @@ class Popen(object):
             env["__PYVENV_LAUNCHER__"] = sys.executable
         else:
-            env = None
+            env = os.environ.copy()
+        env['Y_PYTHON_ENTRY_POINT'] = ':main'
 
         cmd = ' '.join('"%s"' % x for x in cmd)
--- a/Lib/multiprocessing/spawn.py	(index)
+++ b/Lib/multiprocessing/spawn.py	(working tree)
@@ -82,7 +82,7 @@ def get_command_line(**kwds):
     '''
     Returns prefix of command line used for spawning a child process
     '''
-    if getattr(sys, 'frozen', False):
+    if False and getattr(sys, 'frozen', False):
         return ([sys.executable, '--multiprocessing-fork'] +
                 ['%s=%r' % item for item in kwds.items()])
     else:
--- a/Lib/multiprocessing/util.py	(index)
+++ b/Lib/multiprocessing/util.py	(working tree)
@@ -383,8 +383,11 @@ class ForkAwareThreadLock(object):
 
 
 class ForkAwareLocal(threading.local):
-    def __init__(self):
-        register_after_fork(self, lambda obj : obj.__dict__.clear())
+    def __new__(cls):
+        self = threading.local.__new__(cls)
+        register_after_fork(self, lambda obj: obj.__dict__.clear())
+        return self
+
     def __reduce__(self):
         return type(self), ()
 
@@ -444,14 +447,26 @@ def _flush_std_streams():
 # Start a program with only specified fds kept open
 #
 
+
+def _env_list():
+    # Based on fork_exec in subprocess.py.
+    env = os.environ.copy()
+    env['Y_PYTHON_ENTRY_POINT'] = ':main'
+    env_list = []
+    for k, v in env.items():
+        if '=' not in k:
+            env_list.append(os.fsencode(k) + b'=' + os.fsencode(v))
+    return env_list
+
+
 def spawnv_passfds(path, args, passfds):
     import _posixsubprocess
     import subprocess
     passfds = tuple(sorted(map(int, passfds)))
     errpipe_read, errpipe_write = os.pipe()
     try:
         return _posixsubprocess.fork_exec(
-            args, [path], True, passfds, None, None,
+            args, [path], True, passfds, None, _env_list(),
             -1, -1, -1, -1, -1, -1, errpipe_read, errpipe_write,
             False, False, -1, None, None, None, -1, None,
             subprocess._USE_VFORK)
--- a/Modules/_decimal/libmpdec/io.c	(index)
+++ b/Modules/_decimal/libmpdec/io.c	(working tree)
@@ -37,7 +37,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "io.h"
+#include "mpd_io.h"
 #include "typearith.h"
 
 
--- a/Modules/_decimal/libmpdec/mpdecimal.h	(index)
+++ b/Modules/_decimal/libmpdec/mpdecimal.h	(working tree)
@@ -96,17 +96,17 @@ const char *mpd_version(void);
 /*                              Configuration                                 */
 /******************************************************************************/
 
-#if defined(UNIVERSAL)
+#if 1
   #if defined(CONFIG_64) || defined(CONFIG_32)
     #error "cannot use CONFIG_64 or CONFIG_32 with UNIVERSAL."
   #endif
-  #if defined(__ppc__)
-    #define CONFIG_32
-    #define ANSI
-  #elif defined(__ppc64__)
+  #if defined(__powerpc64__) || defined(_M_AMD64) || defined(__aarch64__)
     #define CONFIG_64
     #define ANSI
-  #elif defined(__i386__)
+  #elif defined(__powerpc__)
+    #define CONFIG_32
+    #define ANSI
+  #elif defined(__i386__) || defined(_M_IX86)
     #define CONFIG_32
     #define ANSI
   #elif defined(__x86_64__)
--- a/Modules/getpath.c	(index)
+++ b/Modules/getpath.c	(working tree)
@@ -1,3 +1,4 @@
+#define PYTHONPATH ":"
 /* Return the initial module search path. */
 
 #include "Python.h"
--- a/Modules/main.c	(index)
+++ b/Modules/main.c	(working tree)
@@ -51,6 +51,7 @@ pymain_init(const _PyArgv *args)
 
     PyConfig config;
     PyConfig_InitPythonConfig(&config);
+    config.pathconfig_warnings = 0;   /* Suppress errors from getpath.c */
 
     /* pass NULL as the config: config is read from command line arguments,
        environment variables, configuration files */
--- a/Python/initconfig.c	(index)
+++ b/Python/initconfig.c	(working tree)
@@ -163,7 +163,7 @@ int Py_InspectFlag = 0; /* Needed to determine whether to exit at SystemExit */
 int Py_OptimizeFlag = 0; /* Needed by compile.c */
 int Py_NoSiteFlag = 0; /* Suppress 'import site' */
 int Py_BytesWarningFlag = 0; /* Warn on str(bytes) and str(buffer) */
-int Py_FrozenFlag = 0; /* Needed by getpath.c */
+int Py_FrozenFlag = 1; /* Needed by getpath.c */
 int Py_IgnoreEnvironmentFlag = 0; /* e.g. PYTHONPATH, PYTHONHOME */
 int Py_DontWriteBytecodeFlag = 0; /* Suppress writing bytecode files (*.pyc) */
 int Py_NoUserSiteDirectory = 0; /* for -s and site.py */
--- a/Python/import.c	(index)
+++ b/Python/import.c	(working tree)
@@ -2101,6 +2101,13 @@ init_importlib_external(PyInterpreterState *interp)
         return -1;
     }
     Py_DECREF(value);
+
+    value = PyImport_ImportModule("__res");
+    if (value == NULL) {
+        return -1;
+    }
+    Py_DECREF(value);
+
     return 0;
 }