Log message:
Pullup ticket #5764 - requested by leot
lang/python27: build fix
devel/py-curses: build fix

Revisions pulled up:
- devel/py-curses/Makefile                                      1.47
- lang/python27/distinfo                                        1.69
- lang/python27/patches/patch-ah                                deleted

---
   Module Name:	pkgsrc
   Committed By:	leot
   Date:		Sun Jun  3 07:49:27 UTC 2018

   Modified Files:
   	pkgsrc/devel/py-curses: Makefile
   	pkgsrc/lang/python27: distinfo
   Removed Files:
   	pkgsrc/lang/python27/patches: patch-ah

   Log message:
   python27: Remove patches/patch-ah (no longer needed)

   Since Python 2.7.15 patches/patch-ah is no longer needed and badly interfere
   (e.g. with it `curses.KEY_*' are no longer exposed):

    - Prototypes of NetBSD curses(3) are as described, no need to patch them
    - Avoid {lines,columns} -> {nlines,columns} rename, they are properly
      undef-ed due HAVE_TERM_H.
    - Use keyname() (it should be present since NetBSD 2.0)

   Bump PKGREVISION for devel/py-curses so it will be properly rebuild.

   Fixes PR pkg/53330 reported by <oster>.

Log message:
Pullup ticket #5760 - requested by spz
lang/python27: security fix

Revisions pulled up:
- lang/python27/PLIST.common                                    1.19
- lang/python27/dist.mk                                         1.15
- lang/python27/distinfo                                        1.68
- lang/python27/patches/patch-ah                                1.9
- lang/python27/patches/patch-al                                1.18

---
   Module Name:	pkgsrc
   Committed By:	spz
   Date:		Sat May 19 06:54:55 UTC 2018

   Modified Files:
   	pkgsrc/lang/python27: PLIST.common dist.mk distinfo
   	pkgsrc/lang/python27/patches: patch-ah patch-al

   Log message:
   update python27 by one teeny, fixing 3 vulnerabilities.

   Upstream changelog, slightly reordered:

   Security
   --------

   - bpo-31530: Fixed crashes when iterating over a file on multiple threads.
     This resolves CVE-2018-1000030.

   - bpo-32997: A regex in fpformat was vulnerable to catastrophic
     backtracking. This regex was a potential DOS vector (REDOS). Based on
     typical uses of fpformat the risk seems low. The regex has been refactored
     and is now safe. Patch by Jamie Davis.

   - bpo-32981: Regexes in difflib and poplib were vulnerable to catastrophic
     backtracking. These regexes formed potential DOS vectors (REDOS). They
     have been refactored. This resolves CVE-2018-1060 and CVE-2018-1061. Patch
     by Jamie Davis.

   - bpo-31339: Rewrite time.asctime() and time.ctime(). Backport and adapt the
     _asctime() function from the master branch to not depend on the
     implementation of asctime() and ctime() from the external C library. This
     change fixes a bug when Python is run using the musl C library.

   - bpo-30730: Prevent environment variables injection in subprocess on
     Windows.  Prevent passing other environment variables and command
     arguments.

   - bpo-30694: Upgrade expat copy from 2.2.0 to 2.2.1 to get fixes of multiple
     security vulnerabilities including: CVE-2017-9233 (External entity
     infinite loop DoS), CVE-2016-9063 (Integer overflow, re-fix),
     CVE-2016-0718 (Fix regression bugs from 2.2.0's fix to CVE-2016-0718) and
     CVE-2012-0876 (Counter hash flooding with SipHash). Note: the
     CVE-2016-5300 (Use os- specific entropy sources like getrandom) doesn't
     impact Python, since Python already gets entropy from the OS to set the
     expat secret using ``XML_SetHashSalt()``.

   - bpo-30500: Fix urllib.splithost() to correctly parse fragments. For
     example, ``splithost('//127.0.0.1#@evil.com/')`` now correctly returns the
     ``127.0.0.1`` host, instead of treating ``@evil.com`` as the host in an
     authentification (``login@host``).

   - bpo-29591: Update expat copy from 2.1.1 to 2.2.0 to get fixes of
     CVE-2016-0718 and CVE-2016-4472. See
     https://sourceforge.net/p/expat/bugs/537/ for more information.

   Core and Builtins
   -----------------

   - bpo-33374: Tweak the definition of PyGC_Head, so compilers do not believe
     it is always 16-byte aligned on x86. This prevents crashes with more
     aggressive optimizations present in GCC 8.

   - bpo-33026: Fixed jumping out of "with" block by setting f_lineno.

   - bpo-17288: Prevent jumps from 'return' and 'exception' trace events.

   - bpo-18533: ``repr()`` on a dict containing its own ``viewvalues()`` or
     ``viewitems()`` no longer raises ``RuntimeError``.  Instead, use ``...``,
     as for other recursive structures.  Patch by Ben North.

   - bpo-10544: Yield expressions are now deprecated in comprehensions and
     generator expressions when checking Python 3 compatibility. They are still
     permitted in the definition of the outermost iterable, as that is
     evaluated directly in the enclosing scope.

   - bpo-32137: The repr of deeply nested dict now raises a RecursionError
     instead of crashing due to a stack overflow.

   - bpo-20047: Bytearray methods partition() and rpartition() now accept only
     bytes-like objects as separator, as documented.  In particular they now
     raise TypeError rather of returning a bogus result when an integer is
     passed as a separator.

   - bpo-31733: Add a new PYTHONSHOWREFCOUNT environment variable. In debug
     mode, Python now only print the total reference count if
     PYTHONSHOWREFCOUNT is set.

   - bpo-31692: Add a new PYTHONSHOWALLOCCOUNT environment variable. When
     Python is compiled with COUNT_ALLOCS, PYTHONSHOWALLOCCOUNT now has to be
     set to dump allocation counts into stderr on shutdown. Moreover,
     allocations statistics are now dumped into stderr rather than stdout.

   - bpo-31478: Prevent unwanted behavior in `_random.Random.seed()` in case
     the argument has a bad ``__abs__()`` method. Patch by Oren Milman.

   - bpo-31490: Fix an assertion failure in `ctypes` class definition, in case
     the class has an attribute whose name is specified in ``_anonymous_`` but
     not in ``_fields_``. Patch by Oren Milman.

   - bpo-31411: Raise a TypeError instead of SystemError in case
     warnings.onceregistry is not a dictionary. Patch by Oren Milman.

   - bpo-31343: Include sys/sysmacros.h for major(), minor(), and makedev().
     GNU C libray plans to remove the functions from sys/types.h.

   - bpo-31311: Fix a crash in the ``__setstate__()`` method of
     `ctypes._CData`, in case of a bad ``__dict__``. Patch by Oren Milman.

   - bpo-31243: Fix a crash in some methods of `io.TextIOWrapper`, when the
     decoder's state is invalid. Patch by Oren Milman.

   - bpo-31095: Fix potential crash during GC caused by ``tp_dealloc`` which
     doesn't call ``PyObject_GC_UnTrack()``.

   - bpo-30657: Fixed possible integer overflow in PyString_DecodeEscape. Patch
     by Jay Bosamiya.

   - bpo-27945: Fixed various segfaults with dict when input collections are
     mutated during searching, inserting or comparing.  Based on patches by
     Duane Griffin and Tim Mitchell.

   - bpo-25794: Fixed type.__setattr__() and type.__delattr__() for non-
     interned or unicode attribute names.  Based on patch by Eryk Sun.

   - bpo-29935: Fixed error messages in the index() method of tuple and list
     when pass indices of wrong type.

   - bpo-28598: Support __rmod__ for subclasses of str being called before
     str.__mod__. Patch by Martijn Pieters.

   - bpo-29602: Fix incorrect handling of signed zeros in complex constructor
     for complex subclasses and for inputs having a __complex__ method. Patch
     by Serhiy Storchaka.

   - bpo-29347: Fixed possibly dereferencing undefined pointers when creating
     weakref objects.

   - bpo-14376: Allow sys.exit to accept longs as well as ints. Patch by Gareth
     Rees.

   - bpo-29028: Fixed possible use-after-free bugs in the subscription of the
     buffer object with custom index object.

   - bpo-29145: Fix overflow checks in string, bytearray and unicode. Patch by
     jan matejek and Xiang Zhang.

   - bpo-28932: Do not include <sys/random.h> if it does not exist.

   Library
   -------

   - bpo-33096: Allow ttk.Treeview.insert to insert iid that has a false
     boolean value. Note iid=0 and iid=False would be same. Patch by Garvit
     Khatri.

   - bpo-33127: The ssl module now compiles with LibreSSL 2.7.1.

   - bpo-30622: The ssl module now detects missing NPN support in LibreSSL.

   - bpo-21060: Rewrite confusing message from setup.py upload from "No dist
     file created in earlier command" to the more helpful "Must create and
     upload files in one command".

   - bpo-30157: Fixed guessing quote and delimiter in csv.Sniffer.sniff() when
     only the last field is quoted.  Patch by Jake Davis.

   - bpo-32647: The ctypes module used to depend on indirect linking for
     dlopen. The shared extension is now explicitly linked against libdl on
     platforms with dl.

   - bpo-32304: distutils' upload command no longer corrupts tar files ending
     with a CR byte, and no longer tries to convert CR to CRLF in any of the
     upload text fields.

   - bpo-31848: Fix the error handling in Aifc_read.initfp() when the SSND
     chunk is not found. Patch by Zackery Spytz.

   - bpo-32521: The nis module is now compatible with new libnsl and headers
     location.

   - bpo-32539: Fix ``OSError`` for ``os.listdir`` with deep paths (starting
     with ``\\?\``) on windows.  Patch by Anthony Sottile.

   - bpo-32521: glibc has removed Sun RPC. Use replacement libtirpc headers and
     library in nis module.

   - bpo-18035: ``telnetlib``: ``select.error`` doesn't have an ``errno``
     attribute. Patch by Segev Finer.

   - bpo-32185: The SSL module no longer sends IP addresses in SNI TLS
     extension on platforms with OpenSSL 1.0.2+ or inet_pton.

   - bpo-32186: Creating io.FileIO() and builtin file() objects now release the
     GIL when checking the file descriptor. io.FileIO.readall(),
     io.FileIO.read(), and file.read() now release the GIL when getting the
     file size.  Fixed hang of all threads with inaccessible NFS server.  Patch
     by Nir Soffer.

   - bpo-32110: ``codecs.StreamReader.read(n)`` now returns not more than *n*
     characters/bytes for non-negative *n*. This makes it compatible with
     ``read()`` methods of other file-like objects.

   - bpo-21149: Silence a `'NoneType' object is not callable` in
     `_removeHandlerRef` error that could happen when a logging Handler is
     destroyed as part of cyclic garbage collection during process shutdown.

   - bpo-31764: Prevent a crash in ``sqlite3.Cursor.close()`` in case the
     ``Cursor`` object is uninitialized. Patch by Oren Milman.

   - bpo-31955: Fix CCompiler.set_executable() of distutils to handle properly
     Unicode strings.

   - bpo-9678: Fixed determining the MAC address in the uuid module:

     * Using ifconfig on NetBSD and OpenBSD.
     * Using arp on Linux, FreeBSD, NetBSD and OpenBSD.

     Based on patch by Takayuki Shimizukawa.

   - bpo-30057: Fix potential missed signal in signal.signal().

   - bpo-31927: Fixed reading arbitrary data when parse a AF_BLUETOOTH address
     on NetBSD and DragonFly BSD.

   - bpo-27666: Fixed stack corruption in curses.box() and curses.ungetmouse()
     when the size of types chtype or mmask_t is less than the size of C long.
     curses.box() now accepts characters as arguments.  Based on patch by Steve
     Fink.

   - bpo-25720: Fix the method for checking pad state of curses WINDOW. Patch
     by Masayuki Yamamoto.

   - bpo-31893: Fixed the layout of the kqueue_event structure on OpenBSD and
     NetBSD. Fixed the comparison of the kqueue_event objects.

   - bpo-31891: Fixed building the curses module on NetBSD.

   - bpo-30058: Fixed buffer overflow in select.kqueue.control().

   - bpo-31770: Prevent a crash when calling the ``__init__()`` method of a
     ``sqlite3.Cursor`` object more than once. Patch by Oren Milman.

   - bpo-31728: Prevent crashes in `_elementtree` due to unsafe cleanup of
     `Element.text` and `Element.tail`. Patch by Oren Milman.

   - bpo-31752: Fix possible crash in timedelta constructor called with custom
     integers.

   - bpo-31681: Fix pkgutil.get_data to avoid leaking open files.

   - bpo-31675: Fixed memory leaks in Tkinter's methods splitlist() and split()
     when pass a string larger than 2 GiB.

   - bpo-30806: Fix the string representation of a netrc object.

   - bpo-30347: Stop crashes when concurrently iterate over itertools.groupby()
     iterators.

   - bpo-25732: `functools.total_ordering()` now implements the `__ne__`
     method.

   - bpo-31351: python -m ensurepip now exits with non-zero exit code if pip
     bootstrapping has failed.

   - bpo-31544: The C accelerator module of ElementTree ignored exceptions
     raised when looking up TreeBuilder target methods in XMLParser().

   - bpo-31455: The C accelerator module of ElementTree ignored exceptions
     raised when looking up TreeBuilder target methods in XMLParser().

   - bpo-25404: SSLContext.load_dh_params() now supports non-ASCII path.

   - bpo-28958: ssl.SSLContext() now uses OpenSSL error information when a
     context cannot be instantiated.

   - bpo-27448: Work around a `gc.disable()` race condition in the `subprocess`
     module that could leave garbage collection disabled when multiple threads
     are spawning subprocesses at once.  Users are *strongly encouraged* to use
     the `subprocess32` module from PyPI on Python 2.7 instead, it is much more
     reliable.

   - bpo-31170: expat: Update libexpat from 2.2.3 to 2.2.4. Fix copying of
     partial characters for UTF-8 input (libexpat bug 115):
     https://github.com/libexpat/libexpat/issues/115

   - bpo-29136: Add TLS 1.3 cipher suites and OP_NO_TLSv1_3.

   - bpo-31334: Fix ``poll.poll([timeout])`` in the ``select`` module for
     arbitrary negative timeouts on all OSes where it can only be a non-
     negative integer or -1. Patch by Riccardo Coccioli.

   - bpo-10746: Fix ctypes producing wrong PEP 3118 type codes for integer
     types.

   - bpo-30102: The ssl and hashlib modules now call
     OPENSSL_add_all_algorithms_noconf() on OpenSSL < 1.1.0. The function
     detects CPU features and enables optimizations on some CPU architectures
     such as POWER8. Patch is based on research from Gustavo Serra Scalet.

   - bpo-30502: Fix handling of long oids in ssl.  Based on patch by Christian
     Heimes.

   - bpo-25684: Change ``ttk.OptionMenu`` radiobuttons to be unique across
     instances of ``OptionMenu``.

   - bpo-29169: Update zlib to 1.2.11.

   - bpo-30746: Prohibited the '=' character in environment variable names in
     ``os.putenv()`` and ``os.spawn*()``.

   - bpo-28994: The traceback no longer displayed for SystemExit raised in a
     callback registered by atexit.

   - bpo-30418: On Windows, subprocess.Popen.communicate() now also ignore
     EINVAL on stdin.write() if the child process is still running but closed
     the pipe.

   - bpo-30378: Fix the problem that logging.handlers.SysLogHandler cannot
     handle IPv6 addresses.

   - bpo-29960: Preserve generator state when _random.Random.setstate() raises
     an exception. Patch by Bryan Olson.

   - bpo-30310: tkFont now supports unicode options (e.g. font family).

   - bpo-30414: multiprocessing.Queue._feed background running thread do not
     break from main loop on exception.

   - bpo-30003: Fix handling escape characters in HZ codec.  Based on patch by
     Ma Lin.

   - bpo-30375: Warnings emitted when compile a regular expression now always
     point to the line in the user code.  Previously they could point into
     inners of the re module if emitted from inside of groups or conditionals.

   - bpo-30363: Running Python with the -3 option now warns about regular
     expression syntax that is invalid or has different semantic in Python 3 or
     will change the behavior in future Python versions.

   - bpo-30365: Running Python with the -3 option now emits deprecation
     warnings for getchildren() and getiterator() methods of the Element class
     in the xml.etree.cElementTree module and when pass the html argument to
     xml.etree.ElementTree.XMLParser().

   - bpo-30365: Fixed a deprecation warning about the doctype() method of the
     xml.etree.ElementTree.XMLParser class.  Now it is emitted only when define
     the doctype() method in the subclass of XMLParser.

   - bpo-30329: imaplib now catchs the Windows socket WSAEINVAL error (code
     10022) on shutdown(SHUT_RDWR): An invalid operation was attempted. This
     error occurs sometimes on SSL connections.

   - bpo-30342: Fix sysconfig.is_python_build() if Python is built with Visual
     Studio 2008 (VS 9.0).

   - bpo-29990: Fix range checking in GB18030 decoder.  Original patch by Ma
     Lin.

   - bpo-30243: Removed the __init__ methods of _json's scanner and encoder.
     Misusing them could cause memory leaks or crashes.  Now scanner and
     encoder objects are completely initialized in the __new__ methods.

   - bpo-26293: Change resulted because of zipfile breakage. (See also:
     bpo-29094)

   - bpo-30070: Fixed leaks and crashes in errors handling in the parser
     module.

   - bpo-30061: Fixed crashes in IOBase methods next() and readlines() when
     readline() or next() respectively return non-sizeable object. Fixed
     possible other errors caused by not checking results of PyObject_Size(),
     PySequence_Size(), or PyMapping_Size().

   - bpo-30011: Fixed race condition in HTMLParser.unescape().

   - bpo-30068: _io._IOBase.readlines will check if it's closed first when hint
     is present.

   - bpo-27863: Fixed multiple crashes in ElementTree caused by race conditions
     and wrong types.

   - bpo-29942: Fix a crash in itertools.chain.from_iterable when encountering
     long runs of empty iterables.

   - bpo-29861: Release references to tasks, their arguments and their results
     as soon as they are finished in multiprocessing.Pool.

   - bpo-27880: Fixed integer overflow in cPickle when pickle large strings or
     too many objects.

   - bpo-29110: Fix file object leak in aifc.open() when file is given as a
     filesystem path and is not in valid AIFF format. Original patch by Anthony
     Zhang.

   - bpo-29354: Fixed inspect.getargs() for parameters which are cell
     variables.

   - bpo-29335: Fix subprocess.Popen.wait() when the child process has exited
     to a stopped instead of terminated state (ex: when under ptrace).

   - bpo-29219: Fixed infinite recursion in the repr of uninitialized
     ctypes.CDLL instances.

   - bpo-29082: Fixed loading libraries in ctypes by unicode names on Windows.
     Original patch by Chi Hsuan Yen.

   - bpo-29188: Support glibc 2.24 on Linux: don't use getentropy() function
     but read from /dev/urandom to get random bytes, for example in
     os.urandom(). On Linux, getentropy() is implemented which getrandom() is
     blocking mode, whereas os.urandom() should not block.

   - bpo-29142: In urllib, suffixes in no_proxy environment variable with
     leading dots could match related hostnames again (e.g. .b.c matches
     a.b.c). Patch by Milan Oberkirch.

   - bpo-13051: Fixed recursion errors in large or resized
     curses.textpad.Textbox.  Based on patch by Tycho Andersen.

   - bpo-9770: curses.ascii predicates now work correctly with negative
     integers.

   - bpo-28427: old keys should not remove new values from WeakValueDictionary
     when collecting from another thread.

   - bpo-28998: More APIs now support longs as well as ints.

   - bpo-28923: Remove editor artifacts from Tix.py, including encoding not
     recognized by codecs.lookup.

   - bpo-29019: Fix dict.fromkeys(x) overallocates when x is sparce dict.
     Original patch by Rasmus Villemoes.

   - bpo-19542: Fix bugs in WeakValueDictionary.setdefault() and
     WeakValueDictionary.pop() when a GC collection happens in another thread.

   - bpo-28925: cPickle now correctly propagates errors when unpickle instances
     of old-style classes.

   Documentation
   -------------

   - bpo-27212: Modify documentation for the :func:`islice` recipe to consume
     initial values up to the start index.

   - bpo-32800: Update link to w3c doc for xml default namespaces.

   - bpo-17799: Explain real behaviour of sys.settrace and sys.setprofile and
     their C-API counterparts regarding which type of events are received in
     each function. Patch by Pablo Galindo Salgado.

   - bpo-8243: Add a note about curses.addch and curses.addstr exception
     behavior when writing outside a window, or pad.

   - bpo-21649: Add RFC 7525 and Mozilla server side TLS links to SSL
     documentation.

   - bpo-30176: Add missing attribute related constants in curses
     documentation.

   - bpo-28929: Link the documentation to its source file on GitHub.

   - bpo-26355: Add canonical header link on each page to corresponding major
     version of the documentation. Patch by Matthias Bussonnier.

   - bpo-12067: Rewrite Comparisons section in the Expressions chapter of the
     language reference. Some of the details of comparing mixed types were
     incorrect or ambiguous. Added default behaviour and consistency
     suggestions for user- defined classes. Based on patch from Andy Maier.

   Tests
   -----

   - bpo-31719: Fix test_regrtest.test_crashed() on s390x. Add a new
     _testcapi._read_null() function to crash Python in a reliable way on
     s390x. On s390x, ctypes.string_at(0) returns an empty string rather than
     crashing.

   - bpo-31518: Debian Unstable has disabled TLS 1.0 and 1.1 for
     SSLv23_METHOD(). Change TLS/SSL protocol of some tests to PROTOCOL_TLS or
     PROTOCOL_TLSv1_2 to make them pass on Debian.

   - bpo-25674: Remove sha256.tbs-internet.com ssl test

   - bpo-11790: Fix sporadic failures in
     test_multiprocessing.WithProcessesTestCondition.

   - bpo-30236: Backported test.regrtest options -m/--match and -G/--failfast
     from Python 3.

   - bpo-30223: To unify running tests in Python 2.7 and Python 3, the test
     package can be run as a script.  This is equivalent to running the
     test.regrtest module as a script.

   - bpo-30207: To simplify backports from Python 3, the test.test_support
     module was converted into a package and renamed to test.support.  The
     test.script_helper module was moved into the test.support package. Names
     test.test_support and test.script_helper are left as aliases to
     test.support and test.support.script_helper.

   - bpo-30197: Enhanced function swap_attr() in the test.test_support module.
     It now works when delete replaced attribute inside the with statement.
     The old value of the attribute (or None if it doesn't exist) now will be
     assigned to the target of the "as" clause, if there is one. Also
     backported function swap_item().

   - bpo-28087: Skip test_asyncore and test_eintr poll failures on macOS. Skip
     some tests of select.poll when running on macOS due to unresolved issues
     with the underlying system poll function on some macOS versions.

   - bpo-15083: Convert ElementTree doctests to unittests.

   Build
   -----

   - bpo-33163: Upgrade pip to 9.0.3 and setuptools to v39.0.1.

   - bpo-32616: Disable computed gotos by default for clang < 5.0. It caused
     significant performance regression.

   - bpo-32635: Fix segfault of the crypt module when libxcrypt is provided
     instead of libcrypt at the system.

   - bpo-31934: Abort the build when building out of a not clean source tree.

   - bpo-31474: Fix -Wint-in-bool-context warnings in PyMem_MALLOC and
     PyMem_REALLOC macros

   - bpo-29243: Prevent unnecessary rebuilding of Python during ``make test``,
     ``make install`` and some other make targets when configured with
     ``--enable- optimizations``.

   - bpo-23404: Don't regenerate generated files based on file modification
     time anymore: the action is now explicit. Replace ``make touch`` with
     ``make regen-all``.

   - bpo-27593: sys.version and the platform module python_build(),
     python_branch(), and python_revision() functions now use git information
     rather than hg when building from a repo.

   - bpo-29643: Fix ``--enable-optimization`` configure option didn't work.

   - bpo-29572: Update Windows build and OS X installers to use OpenSSL 1.0.2k.

   - bpo-28768: Fix implicit declaration of function _setmode. Patch by
     Masayuki Yamamoto

   Windows
   -------

   - bpo-33184: Update Windows build to use OpenSSL 1.0.2o.

   - bpo-32903: Fix a memory leak in os.chdir() on Windows if the current
     directory is set to a UNC path.

   - bpo-30855: Bump Tcl/Tk to 8.5.19.

   - bpo-30450: Pull build dependencies from GitHub rather than svn.python.org.

   macOS
   -----

   - bpo-32726: Provide an additional, more modern macOS installer variant that
     supports macOS 10.9+ systems in 64-bit mode only. Upgrade the supplied
     third-party libraries to OpenSSL 1.0.2n and SQLite 3.22.0. The 10.9+
     installer now supplies its own private copy of Tcl/Tk 8.6.8.

   - bpo-24414: Default macOS deployment target is now set by ``configure`` to
     the build system's OS version (as is done by Python 3), not ``10.4``;
     override with, for example, ``./configure MACOSX_DEPLOYMENT_TARGET=10.4``.

   - bpo-17128: All 2.7 macOS installer variants now supply their own version
     of ``OpenSSL 1.0.2``; the Apple-supplied SSL libraries and root
     certificates are not longer used.  The ``Installer Certificate`` command
     in ``/Applications/Python 2.7`` may be used to download and install a
     default set of root certificates from the third-party ``certifi`` package.

   - bpo-11485: python.org macOS Pythons no longer supply a default SDK value
     (e.g. ``-isysroot /``) or specific compiler version default (e.g.
     ``gcc-4.2``) when building extension modules.  Use ``CC``, ``SDKROOT``,
     and ``DEVELOPER_DIR`` environment variables to override compilers or to
     use an SDK.  See Apple's ``xcrun`` man page for more info.

   - bpo-33184: Update macOS installer build to use OpenSSL 1.0.2o.

   Tools/Demos
   -----------

   - bpo-31920: Fixed handling directories as arguments in the ``pygettext``
     script. Based on patch by Oleg Krasnikov.

   - bpo-30109: Fixed Tools/scripts/reindent.py for non-ASCII files. It now
     processes files as binary streams. This also fixes "make reindent".

   - bpo-24960: 2to3 and lib2to3 can now read pickled grammar files using
     pkgutil.get_data() rather than probing the filesystem. This lets 2to3 and
     lib2to3 work when run from a zipfile.

   C API
   -----

   - bpo-20891: Fix PyGILState_Ensure(). When PyGILState_Ensure() is called in
     a non-Python thread before PyEval_InitThreads(), only call
     PyEval_InitThreads() after calling PyThreadState_New() to fix a crash.

   - bpo-31626: When Python is built in debug mode, the memory debug hooks now
     fail with a fatal error if realloc() fails to shrink a memory block,
     because the debug hook just erased freed bytes without keeping a copy of
     them.