Update Python3

python3/00252-add-executable-option.patch

@@ -0,0 +1,45 @@
+diff --git a/Lib/distutils/cmd.py b/Lib/distutils/cmd.py
+index c89d5ef..dd61621 100644
+--- a/Lib/distutils/cmd.py
++++ b/Lib/distutils/cmd.py
+@@ -296,7 +296,8 @@ class Command:
+         finalized command object.
+         """
+         cmd_obj = self.distribution.get_command_obj(command, create)
+-        cmd_obj.ensure_finalized()
++        if cmd_obj is not None:
++            cmd_obj.ensure_finalized()
+         return cmd_obj
+
+     # XXX rename to 'get_reinitialized_command()'? (should do the
+diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
+index 8174192..30ca739 100644
+--- a/Lib/distutils/command/install.py
++++ b/Lib/distutils/command/install.py
+@@ -122,6 +122,8 @@ class install(Command):
+          "force installation (overwrite any existing files)"),
+         ('skip-build', None,
+          "skip rebuilding everything (for testing/debugging)"),
++        ('executable=', 'e',
++         "specify final destination interpreter path (install.py)"),
+
+         # Where to install documentation (eventually!)
+         #('doc-format=', None, "format of documentation to generate"),
+@@ -195,6 +197,7 @@ class install(Command):
+         # directory not in sys.path.
+         self.force = 0
+         self.skip_build = 0
++        self.executable = None
+         self.warn_dir = 1
+
+         # These are only here as a conduit from the 'build' command to the
+@@ -367,6 +370,9 @@ class install(Command):
+                                    ('build_base', 'build_base'),
+                                    ('build_lib', 'build_lib'))
+
++        if self.executable is None:
++            self.executable = os.path.normpath(sys.executable)
++
+         # Punt on doc directories for now -- after all, we're punting on
+         # documentation completely!
+