diff --git a/.gitignore b/.gitignore
index e261d6c9971358..0831c58d367489 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,6 +76,7 @@ Misc/python-embed.pc
 Misc/python-config.sh
 Modules/Setup.config
 Modules/Setup.local
+Modules/Setup.stdlib
 Modules/config.c
 Modules/ld_so_aix
 Programs/_freeze_module
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 1535cabdade9c2..798a2000dab662 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -207,6 +207,12 @@ OPENSSL_LIBS=@OPENSSL_LIBS@
 OPENSSL_LDFLAGS=@OPENSSL_LDFLAGS@
 OPENSSL_RPATH=@OPENSSL_RPATH@
 
+# Module compiler and linker flags
+# MODULE_EGG=yes  # yes, missing, disabled, n/a
+# MODULE_EGG_CFLAGS=
+# MODULE_EGG_LDFLAGS=
+@MODULE_BLOCK@
+
 # Default zoneinfo.TZPATH. Added here to expose it in sysconfig.get_config_var
 TZPATH=@TZPATH@
 
@@ -283,6 +289,9 @@ COVERAGE_INFO=	$(abs_builddir)/coverage.info
 COVERAGE_REPORT=$(abs_builddir)/lcov-report
 COVERAGE_REPORT_OPTIONS=--no-branch-coverage --title "CPython lcov report"
 
+# Internal static libraries
+LIBMPDEC_A= Modules/_decimal/libmpdec/libmpdec.a
+LIBEXPAT_A= Modules/expat/libexpat.a
 
 # === Definitions added by makesetup ===
 
@@ -535,8 +544,6 @@ LIBMPDEC_HEADERS= \
 		$(srcdir)/Modules/_decimal/libmpdec/typearith.h \
 		$(srcdir)/Modules/_decimal/libmpdec/umodarith.h
 
-LIBMPDEC_A= Modules/_decimal/libmpdec/libmpdec.a
-
 ##########################################################################
 # pyexpat's expat library
 
@@ -562,8 +569,6 @@ LIBEXPAT_HEADERS= \
 		Modules/expat/xmltok.h \
 		Modules/expat/xmltok_impl.h
 
-LIBEXPAT_A= Modules/expat/libexpat.a
-
 #########################################################################
 # Rules
 
diff --git a/Modules/Setup b/Modules/Setup
index 608866d9cedd53..435517de071525 100644
--- a/Modules/Setup
+++ b/Modules/Setup
@@ -42,6 +42,15 @@
 # You can also use any Make variable that is detected by configure and
 # defined in Makefile.pre.in, e.g. OpenSSL flags $(OPENSSL_INCLUDES).
 #
+# Rules generated by makesetup use additional variables:
+#
+# - All source file rules have a dependency on $(PYTHON_HEADERS) and on
+#   optional variable $(MODULES_{mod_upper}_DEPS).
+# - If no <cpparg> and no <library> arguments are given, then makesetup
+#   defaults to $(MODULES_{mod_upper}_CFLAGS) cppargs and
+#   $(MODULES_{mod_upper}_LDFLAGS) libraries. The variables are typically
+#   defined by configure.
+#
 # The build process works like this:
 #
 # 1. Build all modules that are declared as static in Modules/Setup,
@@ -153,7 +162,7 @@ time timemodule.c
 #_heapq _heapqmodule.c
 #_json _json.c
 #_lsprof _lsprof.c rotatingtree.c
-#_multiprocessing -I$(srcdir)/Modules/_multiprocessing _multiprocessing/multiprocessing.c _multiprocessing/semaphore.c
+#_multiprocessing _multiprocessing/multiprocessing.c _multiprocessing/semaphore.c
 #_opcode _opcode.c
 #_pickle _pickle.c
 #_queue _queuemodule.c
@@ -196,7 +205,7 @@ time timemodule.c
 # Modules with some UNIX dependencies
 
 #_posixsubprocess _posixsubprocess.c
-#_posixshmem -I$(srcdir)/Modules/_multiprocessing _multiprocessing/posixshmem.c -lrt
+#_posixshmem _multiprocessing/posixshmem.c
 #fcntl fcntlmodule.c
 #grp grpmodule.c
 #ossaudiodev ossaudiodev.c
@@ -207,28 +216,29 @@ time timemodule.c
 
 # Modules with UNIX dependencies that require external libraries
 
-#_crypt _cryptmodule.c -lcrypt
-#nis nismodule.c -I/usr/include/tirpc -lnsl -ltirpc
+#_crypt _cryptmodule.c
+#nis nismodule.c
 
 # Modules that require external libraries.
 
-#_bz2 _bz2module.c -lbz2
-#_ctypes _ctypes/_ctypes.c _ctypes/callbacks.c _ctypes/callproc.c _ctypes/stgdict.c _ctypes/cfield.c -ldl -lffi -DHAVE_FFI_PREP_CIF_VAR -DHAVE_FFI_PREP_CLOSURE_LOC -DHAVE_FFI_CLOSURE_ALLOC
+#_bz2 _bz2module.c
+#_ctypes _ctypes/_ctypes.c _ctypes/callbacks.c _ctypes/callproc.c _ctypes/stgdict.c _ctypes/cfield.c
 # The _dbm module supports NDBM, GDBM with compat module, and Berkeley DB.
 #_dbm _dbmmodule.c -lgdbm_compat -DUSE_GDBM_COMPAT
-#_gdbm _gdbmmodule.c -lgdbm
-#_lzma _lzmamodule.c -llzma
-#_sqlite3 _sqlite/connection.c _sqlite/cursor.c _sqlite/microprotocols.c _sqlite/module.c _sqlite/prepare_protocol.c _sqlite/row.c _sqlite/statement.c _sqlite/util.c -lsqlite3
-#_uuid _uuidmodule.c -luuid
-#zlib  zlibmodule.c -lz
+#_gdbm _gdbmmodule.c
+#_lzma _lzmamodule.c
+#_sqlite3 _sqlite/connection.c _sqlite/cursor.c _sqlite/microprotocols.c _sqlite/module.c _sqlite/prepare_protocol.c _sqlite/row.c _sqlite/statement.c _sqlite/util.c
+#_uuid _uuidmodule.c
+#zlib  zlibmodule.c
 
 # The readline module also supports libeditline (-leditline).
 # Some systems may require -ltermcap or -ltermlib.
-#readline readline.c -lreadline -ltermcap
+#readline readline.c
 
+#*shared*
 # OpenSSL bindings
-#_ssl _ssl.c $(OPENSSL_INCLUDES) $(OPENSSL_LDFLAGS) $(OPENSSL_LIBS)
-#_hashlib _hashopenssl.c $(OPENSSL_INCLUDES) $(OPENSSL_LDFLAGS) -lcrypto
+#_ssl _ssl.c
+#_hashlib _hashopenssl.c
 
 # To statically link OpenSSL:
 # _ssl _ssl.c $(OPENSSL_INCLUDES) $(OPENSSL_LDFLAGS) \
@@ -248,8 +258,10 @@ time timemodule.c
 # done by the shell's "read" command and it may not be implemented on
 # every system.
 
+#_tkinter _tkinter.c tkappinit.c
+
 # *** Always uncomment this (leave the leading underscore in!):
-#_tkinter _tkinter.c tkappinit.c -DWITH_APPINIT $(TCLTK_INCLUDES) $(TCLTK_LIBS) \
+# _tkinter _tkinter.c tkappinit.c -DWITH_APPINIT $(TCLTK_INCLUDES) $(TCLTK_LIBS) \
 # *** Uncomment and edit to reflect where your Tcl/Tk libraries are:
 #	-L/usr/local/lib \
 # *** Uncomment and edit to reflect where your Tcl/Tk headers are:
@@ -279,11 +291,11 @@ time timemodule.c
 #	-lX11
 
 # Some system have -lcurses 
-#_curses -lncurses -lncursesw -ltermcap _cursesmodule.c
-#_curses_panel -lpanel -lncurses _curses_panel.c
+#_curses _cursesmodule.c
+#_curses_panel _curses_panel.c
 
 # macOS specific modules
-# _scproxy _scproxy.c -framework SystemConfiguration -framework CoreFoundation
+# _scproxy _scproxy.c
 
 # Examples
 
diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
new file mode 100644
index 00000000000000..7d898ae090fde0
--- /dev/null
+++ b/Modules/Setup.stdlib.in
@@ -0,0 +1,190 @@
+# -*- makefile -*-
+*shared*
+
+# Modules that should always be present (POSIX and Windows):
+
+@MODULE__ASYNCIO_TRUE@_asyncio _asynciomodule.c
+@MODULE__BISECT_TRUE@_bisect _bisectmodule.c
+@MODULE__CONTEXTVARS_TRUE@_contextvars _contextvarsmodule.c
+@MODULE__CSV_TRUE@_csv _csv.c
+# datetime needs -lrt for clock_gettime() on some platforms
+@MODULE__DATETIME_TRUE@_datetime _datetimemodule.c
+# _decimal needs libmpdec
+@MODULE__DECIMAL_TRUE@_decimal _decimal/_decimal.c
+@MODULE__HEAPQ_TRUE@_heapq _heapqmodule.c
+@MODULE__JSON_TRUE@_json _json.c
+@MODULE__LSPROF_TRUE@_lsprof _lsprof.c rotatingtree.c
+# -I$(srcdir)/Modules/_multiprocessing
+@MODULE__MULTIPROCESSING_TRUE@_multiprocessing _multiprocessing/multiprocessing.c _multiprocessing/semaphore.c
+@MODULE__OPCODE_TRUE@_opcode _opcode.c
+@MODULE__PICKLE_TRUE@_pickle _pickle.c
+@MODULE__QUEUE_TRUE@_queue _queuemodule.c
+@MODULE__RANDOM_TRUE@_random _randommodule.c
+@MODULE__SOCKET_TRUE@_socket socketmodule.c
+@MODULE__STATISTICS_TRUE@_statistics _statisticsmodule.c
+@MODULE__STRUCT_TRUE@_struct _struct.c
+@MODULE__TYPING_TRUE@_typing _typingmodule.c
+@MODULE__ZONEINFO_TRUE@_zoneinfo _zoneinfo.c
+@MODULE_ARRAY_TRUE@array arraymodule.c
+@MODULE_AUDIOOP_TRUE@audioop audioop.c
+@MODULE_BINASCII_TRUE@binascii binascii.c
+@MODULE_CMATH_TRUE@cmath cmathmodule.c
+@MODULE_MATH_TRUE@math mathmodule.c
+@MODULE_MMAP_TRUE@mmap mmapmodule.c
+@MODULE_SELECT_TRUE@select selectmodule.c
+
+# XML
+# pyexpat module uses libexpat
+@MODULE_PYEXPAT_TRUE@pyexpat pyexpat.c
+# _elementtree module must not be linked with libexpat. It uses libexpat via
+# CAPI hook in pyexpat
+@MODULE__ELEMENTTREE_TRUE@_elementtree _elementtree.c
+
+# hashing builtins, can be disabled with --with-builtin-hashlib-hashes
+@MODULE__BLAKE2_TRUE@_blake2 _blake2/blake2module.c _blake2/blake2b_impl.c _blake2/blake2s_impl.c
+@MODULE__MD5_TRUE@_md5 md5module.c
+@MODULE__SHA1_TRUE@_sha1 sha1module.c
+@MODULE__SHA256_TRUE@_sha256 sha256module.c
+@MODULE__SHA512_TRUE@_sha512 sha512module.c
+@MODULE__SHA3_TRUE@_sha3 _sha3/sha3module.c
+
+# text encodings and unicode
+@MODULE__CODECS_CN_TRUE@_codecs_cn cjkcodecs/_codecs_cn.c
+@MODULE__CODECS_HK_TRUE@_codecs_hk cjkcodecs/_codecs_hk.c
+@MODULE__CODECS_ISO2022_TRUE@_codecs_iso2022 cjkcodecs/_codecs_iso2022.c
+@MODULE__CODECS_JP_TRUE@_codecs_jp cjkcodecs/_codecs_jp.c
+@MODULE__CODECS_KR_TRUE@_codecs_kr cjkcodecs/_codecs_kr.c
+@MODULE__CODECS_TW_TRUE@_codecs_tw cjkcodecs/_codecs_tw.c
+@MODULE__MULTIBYTECODEC_TRUE@_multibytecodec cjkcodecs/multibytecodec.c
+@MODULE_UNICODEDATA_TRUE@unicodedata unicodedata.c
+
+# Modules with some UNIX dependencies
+
+@MODULE__POSIXSUBPROCESS_TRUE@_posixsubprocess _posixsubprocess.c
+# -I$(srcdir)/Modules/_multiprocessing -lrt
+@MODULE__POSIXSHMEM_TRUE@_posixshmem _multiprocessing/posixshmem.c
+# May need libbsd on AIX and BSD platforms
+@MODULE_FCNTL_TRUE@fcntl fcntlmodule.c
+# grp is not supported on VxWorks
+@MODULE_GRP_TRUE@grp grpmodule.c
+# needs sys/soundcard.h (Linux, FreeBSD)
+@MODULE_OSSAUDIODEV_TRUE@ossaudiodev ossaudiodev.c
+@MODULE_RESOURCE_TRUE@resource resource.c
+# needs getspnam(), not supported on AIX, macOS
+@MODULE_SPWD_TRUE@spwd spwdmodule.c
+@MODULE_SYSLOG_TRUE@syslog syslogmodule.c
+@MODULE_TERMIOS_TRUE@termios termios.c
+
+# Modules with UNIX dependencies that require external libraries
+
+# -lcrypt
+#@MODULE__CRYPT_TRUE@_crypt _cryptmodule.c
+# -I/usr/include/tirpc -lnsl -ltirpc
+#@MODULE_NIS_TRUE@nis nismodule.c -I/usr/include/tirpc -lnsl -ltirpc
+
+# Modules that require external libraries.
+
+# compression libraries
+# -lbz2
+@MODULE__BZ2_TRUE@_bz2 _bz2module.c
+# -llzma
+@MODULE__LZMA_TRUE@_lzma _lzmamodule.c
+# -lz
+@MODULE_ZLIB_TRUE@zlib  zlibmodule.c
+
+# _uuid module requires -luuid on Linux
+# BSD has uuid_create() in libc.
+@MODULE__UUID_TRUE@_uuid _uuidmodule.c
+
+#@MODULE__CTYPES_TRUE@_ctypes _ctypes/_ctypes.c _ctypes/callbacks.c _ctypes/callproc.c _ctypes/stgdict.c _ctypes/cfield.c -ldl -lffi -DHAVE_FFI_PREP_CIF_VAR -DHAVE_FFI_PREP_CLOSURE_LOC -DHAVE_FFI_CLOSURE_ALLOC
+# The _dbm module supports NDBM, GDBM with compat module, and Berkeley DB.
+#@MODULE__DBM_TRUE@_dbm _dbmmodule.c -lgdbm_compat -DUSE_GDBM_COMPAT
+#@MODULE__GDBM_TRUE@_gdbm _gdbmmodule.c -lgdbm
+#@MODULE__SQLITE3_TRUE@_sqlite3 _sqlite/connection.c _sqlite/cursor.c _sqlite/microprotocols.c _sqlite/module.c _sqlite/prepare_protocol.c _sqlite/row.c _sqlite/statement.c _sqlite/util.c -lsqlite3
+
+# Needs -lreadline -or -leditline.
+# The readline module also supports libeditline (-leditline).
+# Some systems may require -ltermcap or -ltermlib.
+@MODULE_READLINE_TRUE@readline readline.c
+
+# OpenSSL bindings
+# need libssl and libcrypto
+@MODULE__SSL_TRUE@_ssl _ssl.c
+@MODULE__HASHLIB_TRUE@_hashlib _hashopenssl.c
+
+# To statically link OpenSSL:
+# _ssl _ssl.c $(OPENSSL_INCLUDES) $(OPENSSL_LDFLAGS) \
+#     -l:libssl.a -Wl,--exclude-libs,libssl.a \
+#     -l:libcrypto.a -Wl,--exclude-libs,libcrypto.a
+# _hashlib _hashopenssl.c $(OPENSSL_INCLUDES) $(OPENSSL_LDFLAGS) \
+#     -l:libcrypto.a -Wl,--exclude-libs,libcrypto.a
+
+# The _tkinter module.
+#
+# The command for _tkinter is long and site specific.  Please
+# uncomment and/or edit those parts as indicated.  If you don't have a
+# specific extension (e.g. Tix or BLT), leave the corresponding line
+# commented out.  (Leave the trailing backslashes in!  If you
+# experience strange errors, you may want to join all uncommented
+# lines and remove the backslashes -- the backslash interpretation is
+# done by the shell's "read" command and it may not be implemented on
+# every system.
+
+# *** Always uncomment this (leave the leading underscore in!):
+@MODULE__TKINTER_TRUE@_tkinter _tkinter.c tkappinit.c -DWITH_APPINIT $(TCLTK_INCLUDES) $(TCLTK_LIBS) \
+# *** Uncomment and edit to reflect where your Tcl/Tk libraries are:
+#	-L/usr/local/lib \
+# *** Uncomment and edit to reflect where your Tcl/Tk headers are:
+#	-I/usr/local/include \
+# *** Uncomment and edit to reflect where your X11 header files are:
+#	-I/usr/X11R6/include \
+# *** Or uncomment this for Solaris:
+#	-I/usr/openwin/include \
+# *** Uncomment and edit for Tix extension only:
+#	-DWITH_TIX -ltix8.1.8.2 \
+# *** Uncomment and edit for BLT extension only:
+#	-DWITH_BLT -I/usr/local/blt/blt8.0-unoff/include -lBLT8.0 \
+# *** Uncomment and edit for PIL (TkImaging) extension only:
+#     (See http://www.pythonware.com/products/pil/ for more info)
+#	-DWITH_PIL -I../Extensions/Imaging/libImaging  tkImaging.c \
+# *** Uncomment and edit for TOGL extension only:
+#	-DWITH_TOGL togl.c \
+# *** Uncomment and edit to reflect where your X11 libraries are:
+#	-L/usr/X11R6/lib \
+# *** Or uncomment this for Solaris:
+#	-L/usr/openwin/lib \
+# *** Uncomment these for TOGL extension only:
+#	-lGL -lGLU -lXext -lXmu \
+# *** Uncomment for AIX:
+#	-lld \
+# *** Always uncomment this; X11 libraries to link with:
+#	-lX11
+
+# Some system have -lcurses
+#@MODULE__CURSES_TRUE@_curses -lncurses -lncursesw -ltermcap _cursesmodule.c
+#@MODULE__CURSES_PANEL_TRUE@_curses_panel -lpanel -lncurses _curses_panel.c
+
+# macOS specific modules
+# -framework SystemConfiguration -framework CoreFoundation
+@MODULE__SCPROXY_TRUE@_scproxy _scproxy.c
+
+# Examples
+
+#@MODULE_XX_TRUE@xx xxmodule.c
+@MODULE_XXLIMITED_TRUE@xxlimited xxlimited.c
+@MODULE_XXLIMITED_35_TRUE@xxlimited_35 xxlimited_35.c
+
+# Testing
+
+@MODULE__XXSUBINTERPRETERS_TRUE@_xxsubinterpreters _xxsubinterpretersmodule.c
+@MODULE__XXTESTFUZZ_TRUE@_xxtestfuzz _xxtestfuzz/_xxtestfuzz.c _xxtestfuzz/fuzzer.c
+@MODULE__TESTBUFFER_TRUE@_testbuffer _testbuffer.c
+@MODULE__TESTINTERNALCAPI_TRUE@_testinternalcapi _testinternalcapi.c
+
+# Some testing modules MUST be built as shared libraries.
+
+#*shared*
+@MODULE__CTYPES_TEST_TRUE@_ctypes_test _ctypes/_ctypes_test.c
+@MODULE__TESTCAPI_TRUE@_testcapi _testcapimodule.c
+@MODULE__TESTIMPORTMULTIPLE_TRUE@_testimportmultiple _testimportmultiple.c
+@MODULE__TESTMULTIPHASE_TRUE@_testmultiphase _testmultiphase.c
diff --git a/Modules/makesetup b/Modules/makesetup
index a8817fffb7c84b..2335724e804cc0 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -154,6 +154,7 @@ sed -e 's/[ 	]*#.*//' -e '/^[ 	]*$/d' |
 		cpps=
 		libs=
 		mods=
+		mods_upper=
 		skip=
 		for arg in $line
 		do
@@ -194,11 +195,17 @@ sed -e 's/[ 	]*#.*//' -e '/^[ 	]*$/d' |
 			*.*)		echo 1>&2 "bad word $arg in $line"
 					exit 1;;
 			-u)		skip=libs; libs="$libs -u";;
-			[a-zA-Z_]*)	mods="$mods $arg";;
+			[a-zA-Z_]*)
+					mods="$mods $arg"
+					mods_upper=$(echo $mods | tr '[a-z]' '[A-Z]');;
 			*)		echo 1>&2 "bad word $arg in $line"
 					exit 1;;
 			esac
 		done
+		if test -z "$cpps" -a -z "$libs"; then
+			cpps="\$(MODULE_${mods_upper}_CFLAGS)"
+			libs="\$(MODULE_${mods_upper}_LDFLAGS)"
+		fi
 		case $doconfig in
 		yes)
 			LIBS="$LIBS $libs"
@@ -245,7 +252,6 @@ sed -e 's/[ 	]*#.*//' -e '/^[ 	]*$/d' |
 			*)
 				cc="$cc \$(PY_BUILTIN_MODULE_CFLAGS)";;
 			esac
-			mods_upper=$(echo $mods | tr '[a-z]' '[A-Z]')
 			# force rebuild when header file or module build flavor (static/shared) is changed
 			rule="$obj: $src \$(MODULE_${mods_upper}_DEPS) \$(PYTHON_HEADERS) Modules/config.c; $cc $cpps -c $src -o $obj"
 			echo "$rule" >>$rulesf
diff --git a/aclocal.m4 b/aclocal.m4
index 2f1bd37528c85d..6a33c0cc9d9e8c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -619,3 +619,53 @@ AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"],
         [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])])
 ])dnl PKG_HAVE_DEFINE_WITH_MODULES
 
+# AM_CONDITIONAL                                            -*- Autoconf -*-
+
+# Copyright (C) 1997-2020 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_CONDITIONAL(NAME, SHELL-CONDITION)
+# -------------------------------------
+# Define a conditional.
+AC_DEFUN([AM_CONDITIONAL],
+[AC_PREREQ([2.52])dnl
+ m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
+       [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
+AC_SUBST([$1_TRUE])dnl
+AC_SUBST([$1_FALSE])dnl
+_AM_SUBST_NOTMAKE([$1_TRUE])dnl
+_AM_SUBST_NOTMAKE([$1_FALSE])dnl
+m4_define([_AM_COND_VALUE_$1], [$2])dnl
+if $2; then
+  $1_TRUE=
+  $1_FALSE='#'
+else
+  $1_TRUE='#'
+  $1_FALSE=
+fi
+AC_CONFIG_COMMANDS_PRE(
+[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
+  AC_MSG_ERROR([[conditional "$1" was never defined.
+Usually this means the macro was only invoked conditionally.]])
+fi])])
+
+# Copyright (C) 2006-2020 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# --------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
diff --git a/configure b/configure
index 53dc4a23f80631..87c88927a06670 100755
--- a/configure
+++ b/configure
@@ -623,6 +623,189 @@ ac_includes_default="\
 #endif"
 
 ac_subst_vars='LTLIBOBJS
+MODULE_BLOCK
+MODULE_XXLIMITED_35_FALSE
+MODULE_XXLIMITED_35_TRUE
+MODULE_XXLIMITED_FALSE
+MODULE_XXLIMITED_TRUE
+MODULE__UUID_FALSE
+MODULE__UUID_TRUE
+MODULE__TKINTER_FALSE
+MODULE__TKINTER_TRUE
+MODULE__POSIXSHMEM_FALSE
+MODULE__POSIXSHMEM_TRUE
+MODULE__MULTIPROCESSING_FALSE
+MODULE__MULTIPROCESSING_TRUE
+MODULE__CTYPES_TEST_FALSE
+MODULE__CTYPES_TEST_TRUE
+MODULE__DECIMAL_FALSE
+MODULE__DECIMAL_TRUE
+MODULE__CODECS_ISO2022_FALSE
+MODULE__CODECS_ISO2022_TRUE
+MODULE__CODECS_HK_FALSE
+MODULE__CODECS_HK_TRUE
+MODULE__CODECS_TW_FALSE
+MODULE__CODECS_TW_TRUE
+MODULE__CODECS_CN_FALSE
+MODULE__CODECS_CN_TRUE
+MODULE__CODECS_JP_FALSE
+MODULE__CODECS_JP_TRUE
+MODULE__CODECS_KR_FALSE
+MODULE__CODECS_KR_TRUE
+MODULE__MULTIBYTECODEC_FALSE
+MODULE__MULTIBYTECODEC_TRUE
+MODULE__ELEMENTTREE_FALSE
+MODULE__ELEMENTTREE_TRUE
+MODULE_PYEXPAT_FALSE
+MODULE_PYEXPAT_TRUE
+MODULE__LZMA_FALSE
+MODULE__LZMA_TRUE
+MODULE__BZ2_FALSE
+MODULE__BZ2_TRUE
+MODULE_BINASCII_FALSE
+MODULE_BINASCII_TRUE
+MODULE_ZLIB_FALSE
+MODULE_ZLIB_TRUE
+MODULE__SCPROXY_FALSE
+MODULE__SCPROXY_TRUE
+MODULE_OSSAUDIODEV_FALSE
+MODULE_OSSAUDIODEV_TRUE
+MODULE_RESOURCE_FALSE
+MODULE_RESOURCE_TRUE
+MODULE_TERMIOS_FALSE
+MODULE_TERMIOS_TRUE
+MODULE__SHA3_FALSE
+MODULE__SHA3_TRUE
+MODULE__BLAKE2_FALSE
+MODULE__BLAKE2_TRUE
+MODULE__SHA1_FALSE
+MODULE__SHA1_TRUE
+MODULE__MD5_FALSE
+MODULE__MD5_TRUE
+MODULE__SHA512_FALSE
+MODULE__SHA512_TRUE
+MODULE__SHA256_FALSE
+MODULE__SHA256_TRUE
+MODULE__HASHLIB_FALSE
+MODULE__HASHLIB_TRUE
+MODULE__SSL_FALSE
+MODULE__SSL_TRUE
+MODULE__SOCKET_FALSE
+MODULE__SOCKET_TRUE
+MODULE_READLINE_FALSE
+MODULE_READLINE_TRUE
+MODULE__XXTESTFUZZ_FALSE
+MODULE__XXTESTFUZZ_TRUE
+MODULE__TESTMULTIPHASE_FALSE
+MODULE__TESTMULTIPHASE_TRUE
+MODULE__TESTIMPORTMULTIPLE_FALSE
+MODULE__TESTIMPORTMULTIPLE_TRUE
+MODULE__TESTBUFFER_FALSE
+MODULE__TESTBUFFER_TRUE
+MODULE__TESTINTERNALCAPI_FALSE
+MODULE__TESTINTERNALCAPI_TRUE
+MODULE__TESTCAPI_FALSE
+MODULE__TESTCAPI_TRUE
+MODULE__POSIXSUBPROCESS_FALSE
+MODULE__POSIXSUBPROCESS_TRUE
+MODULE__CSV_FALSE
+MODULE__CSV_TRUE
+MODULE_AUDIOOP_FALSE
+MODULE_AUDIOOP_TRUE
+MODULE__XXSUBINTERPRETERS_FALSE
+MODULE__XXSUBINTERPRETERS_TRUE
+MODULE_SYSLOG_FALSE
+MODULE_SYSLOG_TRUE
+MODULE_MMAP_FALSE
+MODULE_MMAP_TRUE
+MODULE_SELECT_FALSE
+MODULE_SELECT_TRUE
+MODULE_SPWD_FALSE
+MODULE_SPWD_TRUE
+MODULE_GRP_FALSE
+MODULE_GRP_TRUE
+MODULE_FCNTL_FALSE
+MODULE_FCNTL_TRUE
+MODULE__TYPING_FALSE
+MODULE__TYPING_TRUE
+MODULE__STATISTICS_FALSE
+MODULE__STATISTICS_TRUE
+MODULE__QUEUE_FALSE
+MODULE__QUEUE_TRUE
+MODULE__ASYNCIO_FALSE
+MODULE__ASYNCIO_TRUE
+MODULE__OPCODE_FALSE
+MODULE__OPCODE_TRUE
+MODULE_UNICODEDATA_FALSE
+MODULE_UNICODEDATA_TRUE
+MODULE__LSPROF_FALSE
+MODULE__LSPROF_TRUE
+MODULE__JSON_FALSE
+MODULE__JSON_TRUE
+MODULE__PICKLE_FALSE
+MODULE__PICKLE_TRUE
+MODULE__HEAPQ_FALSE
+MODULE__HEAPQ_TRUE
+MODULE__BISECT_FALSE
+MODULE__BISECT_TRUE
+MODULE__RANDOM_FALSE
+MODULE__RANDOM_TRUE
+MODULE__ZONEINFO_FALSE
+MODULE__ZONEINFO_TRUE
+MODULE__DATETIME_FALSE
+MODULE__DATETIME_TRUE
+MODULE_CMATH_FALSE
+MODULE_CMATH_TRUE
+MODULE_MATH_FALSE
+MODULE_MATH_TRUE
+MODULE__CONTEXTVARS_FALSE
+MODULE__CONTEXTVARS_TRUE
+MODULE_ARRAY_FALSE
+MODULE_ARRAY_TRUE
+MODULE__STRUCT_FALSE
+MODULE__STRUCT_TRUE
+MODULE_TIME_FALSE
+MODULE_TIME_TRUE
+MODULE_PWD_FALSE
+MODULE_PWD_TRUE
+MODULE_POSIX_FALSE
+MODULE_POSIX_TRUE
+MODULE_ITERTOOLS_FALSE
+MODULE_ITERTOOLS_TRUE
+MODULE_FAULTHANDLER_FALSE
+MODULE_FAULTHANDLER_TRUE
+MODULE_ERRNO_FALSE
+MODULE_ERRNO_TRUE
+MODULE_ATEXIT_FALSE
+MODULE_ATEXIT_TRUE
+MODULE__WEAKREF_FALSE
+MODULE__WEAKREF_TRUE
+MODULE__TRACEMALLOC_FALSE
+MODULE__TRACEMALLOC_TRUE
+MODULE__THREAD_FALSE
+MODULE__THREAD_TRUE
+MODULE__SYMTABLE_FALSE
+MODULE__SYMTABLE_TRUE
+MODULE__STAT_FALSE
+MODULE__STAT_TRUE
+MODULE__SRE_FALSE
+MODULE__SRE_TRUE
+MODULE__SIGNAL_FALSE
+MODULE__SIGNAL_TRUE
+MODULE__OPERATOR_FALSE
+MODULE__OPERATOR_TRUE
+MODULE__LOCALE_FALSE
+MODULE__LOCALE_TRUE
+MODULE__IO_FALSE
+MODULE__IO_TRUE
+MODULE__FUNCTOOLS_FALSE
+MODULE__FUNCTOOLS_TRUE
+MODULE__CODECS_FALSE
+MODULE__CODECS_TRUE
+MODULE__ABC_FALSE
+MODULE__ABC_TRUE
+MODULE__COLLECTIONS_FALSE
+MODULE__COLLECTIONS_TRUE
 TEST_MODULES
 LIBRARY_DEPS
 STATIC_LIBPYTHON
@@ -8129,7 +8312,7 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 
 # checks for header files
-for ac_header in asm/types.h crypt.h conio.h direct.h dlfcn.h errno.h \
+for ac_header in asm/types.h conio.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
 ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
 sched.h shadow.h signal.h stropts.h termios.h \
@@ -8143,7 +8326,7 @@ sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
 libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
 linux/tipc.h linux/random.h spawn.h util.h alloca.h endian.h \
 sys/endian.h sys/sysmacros.h linux/memfd.h linux/wait.h sys/memfd.h \
-sys/mman.h sys/eventfd.h
+sys/mman.h sys/eventfd.h linux/soundcard.h sys/soundcard.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -10165,63 +10348,17 @@ _ACEOF
 fi
 	# Dynamic linking for HP-UX
 
-# checks for uuid.h location
-for ac_header in uuid/uuid.h uuid.h
+# check for libuuid and uuid/uuid.h from util-linux
+for ac_header in uuid/uuid.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  ac_fn_c_check_header_mongrel "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default"
+if test "x$ac_cv_header_uuid_uuid_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate_time_safe" >&5
-$as_echo_n "checking for uuid_generate_time_safe... " >&6; }
-if ${ac_cv_lib_uuid_uuid_generate_time_safe+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <uuid/uuid.h>
-int
-main ()
-{
-
-#ifndef uuid_generate_time_safe
-void *x = uuid_generate_time_safe
-#endif
-
-  ;
-  return 0;
-}
+#define HAVE_UUID_UUID_H 1
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_lib_uuid_uuid_generate_time_safe=yes
-else
-  ac_cv_lib_uuid_uuid_generate_time_safe=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate_time_safe" >&5
-$as_echo "$ac_cv_lib_uuid_uuid_generate_time_safe" >&6; }
-if test "x$ac_cv_lib_uuid_uuid_generate_time_safe" = xyes; then :
-
-
-$as_echo "#define HAVE_UUID_GENERATE_TIME_SAFE 1" >>confdefs.h
-
-
-fi
 
-# check for libuuid from util-linux
-save_LIBS=$LIBS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate_time in -luuid" >&5
+  save_LIBS=$LIBS
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate_time in -luuid" >&5
 $as_echo_n "checking for uuid_generate_time in -luuid... " >&6; }
 if ${ac_cv_lib_uuid_uuid_generate_time+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -10266,13 +10403,66 @@ _ACEOF
 
 fi
 
-LIBS=$save_LIBS
+  UUID_CFLAGS=
+  UUID_LDLAGS=-luuid
+  LIBS=$save_LIBS
+
+fi
+
+done
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate_time_safe" >&5
+$as_echo_n "checking for uuid_generate_time_safe... " >&6; }
+if ${ac_cv_lib_uuid_uuid_generate_time_safe+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <uuid/uuid.h>
+int
+main ()
+{
+
+#ifndef uuid_generate_time_safe
+void *x = uuid_generate_time_safe
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_lib_uuid_uuid_generate_time_safe=yes
+else
+  ac_cv_lib_uuid_uuid_generate_time_safe=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate_time_safe" >&5
+$as_echo "$ac_cv_lib_uuid_uuid_generate_time_safe" >&6; }
+if test "x$ac_cv_lib_uuid_uuid_generate_time_safe" = xyes; then :
+
+
+$as_echo "#define HAVE_UUID_GENERATE_TIME_SAFE 1" >>confdefs.h
+
+
+fi
 
 # AIX provides support for RFC4122 (uuid) in libc.a starting with AIX 6.1 (anno 2007)
 # FreeBSD and OpenBSD provides support in libc as well.
 # Little-endian FreeBSD, OpenBSD and NetBSD needs encoding into an octet
 # stream in big-endian byte-order
-for ac_func in uuid_create uuid_enc_be
+for ac_header in uuid.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "uuid.h" "ac_cv_header_uuid_h" "$ac_includes_default"
+if test "x$ac_cv_header_uuid_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_UUID_H 1
+_ACEOF
+ for ac_func in uuid_create uuid_enc_be
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -10285,6 +10475,11 @@ fi
 done
 
 
+fi
+
+done
+
+
 # 'Real Time' functions on Solaris
 # posix4 on Solaris 2.6
 # pthread (first!) on Linux
@@ -11328,24 +11523,36 @@ $as_echo_n "checking for --with-dbmliborder... " >&6; }
 # Check whether --with-dbmliborder was given.
 if test "${with_dbmliborder+set}" = set; then :
   withval=$with_dbmliborder;
-if test x$with_dbmliborder = xyes
-then
-as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
 else
-  as_save_IFS=$IFS
-  IFS=:
-  for db in $with_dbmliborder; do
-    if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
-    then
-      as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
-    fi
-  done
-  IFS=$as_save_IFS
+  with_dbmliborder=ndbm:gdbm:bdb
 fi
+
+
+as_save_IFS=$IFS
+IFS=:
+dbmlibs=""
+for db in $with_dbmliborder; do
+    case $db in #(
+  ndbm) :
+    dbmlibs="$dbmlibs ndbm" ;; #(
+  gdbm) :
+    dbmlibs="$dbmlibs gdbm_compat" ;; #(
+  bdb) :
+    dbmlibs="$dbmlibs db-5.3 db-5 db" ;; #(
+  *) :
+    dbmlibs="failed"; break
+     ;;
+esac
+done
+IFS=$as_save_IFS
+
+if test "$dbmlibs" = failed; then
+  as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_dbmliborder (libs: $dbmlibs)" >&5
+$as_echo "$with_dbmliborder (libs: $dbmlibs)" >&6; }
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_dbmliborder" >&5
-$as_echo "$with_dbmliborder" >&6; }
 
 # Templates for things AC_DEFINEd more than once.
 # For a single AC_DEFINE, no template is needed.
@@ -12391,7 +12598,7 @@ for ac_func in alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
  explicit_memset faccessat fchmod fchmodat fchown fchownat \
  fdwalk fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
  futimens futimes gai_strerror getentropy \
- getgrgid_r getgrnam_r \
+ getgrgid getgrgid_r getgrnam_r \
  getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getpwnam_r getpwuid_r getspnam getspent getsid getwd \
  if_nameindex \
@@ -13483,6 +13690,13 @@ fi
 done
 
 
+if test "x$ac_cv_lib_z_gzread" = xyes; then :
+
+  BINASCII_CFLAGS=-DUSE_ZLIB_CRC32
+  BINASCII_LDFLAGS=-lz
+
+fi
+
 for ac_header in bzlib.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "bzlib.h" "ac_cv_header_bzlib_h" "$ac_includes_default"
@@ -14051,13 +14265,18 @@ fi
 done
 
 
-# We search for both crypt and crypt_r as one or the other may be defined
-# This gets us our -lcrypt in LIBS when required on the target platform.
-# Save/restore LIBS to avoid linking libpython with libcrypt.
-LIBS_SAVE=$LIBS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt_r" >&5
-$as_echo_n "checking for library containing crypt_r... " >&6; }
-if ${ac_cv_search_crypt_r+:} false; then :
+for ac_header in crypt.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "crypt.h" "ac_cv_header_crypt_h" "$ac_includes_default"
+if test "x$ac_cv_header_crypt_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_CRYPT_H 1
+_ACEOF
+
+  LIBS_SAVE=$LIBS
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt" >&5
+$as_echo_n "checking for library containing crypt... " >&6; }
+if ${ac_cv_search_crypt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -14070,11 +14289,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char crypt_r ();
+char crypt ();
 int
 main ()
 {
-return crypt_r ();
+return crypt ();
   ;
   return 0;
 }
@@ -14087,34 +14306,34 @@ for ac_lib in '' crypt; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
   if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_crypt_r=$ac_res
+  ac_cv_search_crypt=$ac_res
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_crypt_r+:} false; then :
+  if ${ac_cv_search_crypt+:} false; then :
   break
 fi
 done
-if ${ac_cv_search_crypt_r+:} false; then :
+if ${ac_cv_search_crypt+:} false; then :
 
 else
-  ac_cv_search_crypt_r=no
+  ac_cv_search_crypt=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt_r" >&5
-$as_echo "$ac_cv_search_crypt_r" >&6; }
-ac_res=$ac_cv_search_crypt_r
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt" >&5
+$as_echo "$ac_cv_search_crypt" >&6; }
+ac_res=$ac_cv_search_crypt
 if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-LIBS="$LIBS_SAVE"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt" >&5
-$as_echo_n "checking for library containing crypt... " >&6; }
-if ${ac_cv_search_crypt+:} false; then :
+  LIBS="$LIBS_SAVE"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt_r" >&5
+$as_echo_n "checking for library containing crypt_r... " >&6; }
+if ${ac_cv_search_crypt_r+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -14127,11 +14346,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char crypt ();
+char crypt_r ();
 int
 main ()
 {
-return crypt ();
+return crypt_r ();
   ;
   return 0;
 }
@@ -14144,59 +14363,39 @@ for ac_lib in '' crypt; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
   if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_crypt=$ac_res
+  ac_cv_search_crypt_r=$ac_res
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_crypt+:} false; then :
+  if ${ac_cv_search_crypt_r+:} false; then :
   break
 fi
 done
-if ${ac_cv_search_crypt+:} false; then :
+if ${ac_cv_search_crypt_r+:} false; then :
 
 else
-  ac_cv_search_crypt=no
+  ac_cv_search_crypt_r=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt" >&5
-$as_echo "$ac_cv_search_crypt" >&6; }
-ac_res=$ac_cv_search_crypt
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt_r" >&5
+$as_echo "$ac_cv_search_crypt_r" >&6; }
+ac_res=$ac_cv_search_crypt_r
 if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-fi
-
-
-ac_fn_c_check_func "$LINENO" "crypt_r" "ac_cv_func_crypt_r"
-if test "x$ac_cv_func_crypt_r" = xyes; then :
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#include <crypt.h>
-
-int
-main ()
-{
+$as_echo "#define HAVE_CRYPT_R 1" >>confdefs.h
 
-struct crypt_data d;
-char *r = crypt_r("", "", &d);
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+fi
 
-$as_echo "#define HAVE_CRYPT_R 1" >>confdefs.h
+  LIBS=$LIBS_SAVE
 
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-fi
+done
 
-LIBS=$LIBS_SAVE
 
 for ac_func in clock_gettime
 do :
@@ -18700,6 +18899,7 @@ if test "$ac_cv_search_shm_open" = "-lrt"; then
 
 $as_echo "#define SHM_NEEDS_LIBRT 1" >>confdefs.h
 
+    SHM_OPEN_LIB="-lrt"
 fi
 for ac_header in sys/mman.h
 do :
@@ -18974,12 +19174,6 @@ $as_echo "$OPENSSL_RPATH" >&6; }
 
 
 # check if OpenSSL libraries work as expected
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether OpenSSL provides required APIs" >&5
-$as_echo_n "checking whether OpenSSL provides required APIs... " >&6; }
-if ${ac_cv_working_openssl+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
 save_LIBS="$LIBS"
 save_CFLAGS="$CFLAGS"
 save_LDFLAGS="$LDFLAGS"
@@ -18987,24 +19181,26 @@ LIBS="$LIBS $OPENSSL_LIBS"
 CFLAGS="$CFLAGS_NODIST $OPENSSL_INCLUDES"
 LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS"
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether OpenSSL provides required ssl module APIs" >&5
+$as_echo_n "checking whether OpenSSL provides required ssl module APIs... " >&6; }
+if ${ac_cv_working_openssl_ssl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <openssl/opensslv.h>
-#include <openssl/evp.h>
 #include <openssl/ssl.h>
-
 #if OPENSSL_VERSION_NUMBER < 0x10101000L
-#error "OpenSSL >= 1.1.1 is required"
+  #error "OpenSSL >= 1.1.1 is required"
 #endif
-
 static void keylog_cb(const SSL *ssl, const char *line) {}
 
 int
 main ()
 {
 
-/* SSL APIs */
 SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
 SSL_CTX_set_keylog_callback(ctx, keylog_cb);
 SSL *ssl = SSL_new(ctx);
@@ -19013,32 +19209,69 @@ X509_VERIFY_PARAM_set1_host(param, "python.org", 0);
 SSL_free(ssl);
 SSL_CTX_free(ctx);
 
-/* hashlib APIs */
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_working_openssl_ssl=yes
+else
+  ac_cv_working_openssl_ssl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_openssl_ssl" >&5
+$as_echo "$ac_cv_working_openssl_ssl" >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether OpenSSL provides required hashlib module APIs" >&5
+$as_echo_n "checking whether OpenSSL provides required hashlib module APIs... " >&6; }
+if ${ac_cv_working_openssl_hashlib+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <openssl/opensslv.h>
+#include <openssl/evp.h>
+#if OPENSSL_VERSION_NUMBER < 0x10101000L
+#error "OpenSSL >= 1.1.1 is required"
+#endif
+
+int
+main ()
+{
+
 OBJ_nid2sn(NID_md5);
 OBJ_nid2sn(NID_sha1);
 OBJ_nid2sn(NID_sha3_512);
 OBJ_nid2sn(NID_blake2b512);
 EVP_PBE_scrypt(NULL, 0, NULL, 0, 2, 8, 1, 0, NULL, 0);
 
+
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_working_openssl=yes
+  ac_cv_working_openssl_hashlib=yes
 else
-  ac_cv_working_openssl=no
+  ac_cv_working_openssl_hashlib=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_openssl_hashlib" >&5
+$as_echo "$ac_cv_working_openssl_hashlib" >&6; }
+
 LIBS="$save_LIBS"
 CFLAGS="$save_CFLAGS"
 LDFLAGS="$save_LDFLAGS"
 
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_openssl" >&5
-$as_echo "$ac_cv_working_openssl" >&6; }
-
 # ssl module default cipher suite string
 
 
@@ -19091,115 +19324,2576 @@ $as_echo_n "checking for --with-builtin-hashlib-hashes... " >&6; }
 # Check whether --with-builtin-hashlib-hashes was given.
 if test "${with_builtin_hashlib_hashes+set}" = set; then :
   withval=$with_builtin_hashlib_hashes;
-case "$withval" in
-    yes)
-        withval=$default_hashlib_hashes
-        ;;
-    no)
-        withval=""
-        ;;
+  case $with_builtin_hashlib_hashes in #(
+  yes) :
+    with_builtin_hashlib_hashes=$default_hashlib_hashes ;; #(
+  no) :
+    with_builtin_hashlib_hashes=""
+   ;; #(
+  *) :
+     ;;
 esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $withval" >&5
-$as_echo "$withval" >&6; }
-cat >>confdefs.h <<_ACEOF
-#define PY_BUILTIN_HASHLIB_HASHES "$withval"
-_ACEOF
-
 
 else
+  with_builtin_hashlib_hashes=$default_hashlib_hashes
+fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $default_hashlib_hashes" >&5
-$as_echo "$default_hashlib_hashes" >&6; };
-cat >>confdefs.h <<_ACEOF
-#define PY_BUILTIN_HASHLIB_HASHES "$default_hashlib_hashes"
-_ACEOF
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_builtin_hashlib_hashes" >&5
+$as_echo "$with_builtin_hashlib_hashes" >&6; }
+cat >>confdefs.h <<_ACEOF
+#define PY_BUILTIN_HASHLIB_HASHES "$with_builtin_hashlib_hashes"
+_ACEOF
+
+
+as_save_IFS=$IFS
+IFS=,
+for builtin_hash in $with_builtin_hashlib_hashes; do
+    case $builtin_hash in #(
+  md5) :
+    with_builtin_md5=yes ;; #(
+  sha1) :
+    with_builtin_sha1=yes ;; #(
+  sha256) :
+    with_builtin_sha256=yes ;; #(
+  sha512) :
+    with_builtin_sha512=yes ;; #(
+  sha3) :
+    with_builtin_sha3=yes ;; #(
+  blake2) :
+    with_builtin_blake2=yes
+     ;; #(
+  *) :
+     ;;
+esac
+done
+IFS=$as_save_IFS
+
+# --with-experimental-isolated-subinterpreters
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-experimental-isolated-subinterpreters" >&5
+$as_echo_n "checking for --with-experimental-isolated-subinterpreters... " >&6; }
+
+# Check whether --with-experimental-isolated-subinterpreters was given.
+if test "${with_experimental_isolated_subinterpreters+set}" = set; then :
+  withval=$with_experimental_isolated_subinterpreters;
+if test "$withval" != no
+then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; };
+  $as_echo "#define EXPERIMENTAL_ISOLATED_SUBINTERPRETERS 1" >>confdefs.h
+
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; };
+fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+# --with-static-libpython
+STATIC_LIBPYTHON=1
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-static-libpython" >&5
+$as_echo_n "checking for --with-static-libpython... " >&6; }
+
+# Check whether --with-static-libpython was given.
+if test "${with_static_libpython+set}" = set; then :
+  withval=$with_static_libpython;
+if test "$withval" = no
+then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; };
+  STATIC_LIBPYTHON=0
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; };
+fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+fi
+
+LIBRARY_DEPS='$(PY3LIBRARY) $(EXPORTSYMS)'
+if test "$PY_ENABLE_SHARED" = 1 || test "$enable_framework" ; then
+    LIBRARY_DEPS="\$(LDLIBRARY) $LIBRARY_DEPS"
+    if test "$STATIC_LIBPYTHON" = 1; then
+        LIBRARY_DEPS="\$(LIBRARY) $LIBRARY_DEPS"
+    fi
+else
+    LIBRARY_DEPS="\$(LIBRARY) $LIBRARY_DEPS"
+fi
+
+
+
+# Check whether to disable test modules. Once set, setup.py will not build
+# test extension modules and "make install" will not install test suites.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --disable-test-modules" >&5
+$as_echo_n "checking for --disable-test-modules... " >&6; }
+# Check whether --enable-test-modules was given.
+if test "${enable_test_modules+set}" = set; then :
+  enableval=$enable_test_modules;
+fi
+
+if test "$enable_test_modules" = no; then
+    TEST_MODULES=no
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+    TEST_MODULES=yes
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+case $ac_sys_system in #(
+  AIX) :
+    py_stdlib_not_available="_scproxy spwd" ;; #(
+  VxWorks*) :
+    py_stdlib_not_available="_scproxy _crypt termios grp" ;; #(
+  Darwin) :
+    py_stdlib_not_available="ossaudiodev spwd" ;; #(
+  CYGWIN*) :
+    py_stdlib_not_available="_scproxy nis" ;; #(
+  QNX*) :
+    py_stdlib_not_available="_scproxy nis" ;; #(
+  *) :
+    py_stdlib_not_available="_scproxy"
+ ;;
+esac
+
+MODULE_BLOCK=
+
+# _MODULE_BLOCK_ADD([VAR], [VALUE])
+# internal: adds $1=quote($2) to MODULE_BLOCK
+
+
+
+
+# Define simple, always enabled stdlib extension module
+# PY_STDLIB_MOD_SIMPLE([NAME], [LDFLAGS])
+
+# This is what autoupdate's m4 run will expand.  It fires
+# the warning (with _au_warn_XXX), outputs it into the
+# updated configure.ac (with AC_DIAGNOSE), and then outputs
+# the replacement expansion.
+
+
+# This is an auxiliary macro that is also run when
+# autoupdate runs m4.  It simply calls m4_warning, but
+# we need a wrapper so that each warning is emitted only
+# once.  We break the quoting in m4_warning's argument in
+# order to expand this macro's arguments, not AU_DEFUN's.
+
+
+# Finally, this is the expansion that is picked up by
+# autoconf.  It tells the user to run autoupdate, and
+# then outputs the replacement expansion.  We do not care
+# about autoupdate's warning because that contains
+# information on what to do *after* running autoupdate.
+
+
+# reuses autoconf check values (ac_cv_*):
+# * ac_cv_func and ac_cv_header values are set to "yes" when function or header exists
+# * ac_cv_search values are set to "none required" or "-lsomelib" when function exists
+
+    as_fn_append MODULE_BLOCK "MODULE__COLLECTIONS=yes$as_nl"
+   if true; then
+  MODULE__COLLECTIONS_TRUE=
+  MODULE__COLLECTIONS_FALSE='#'
+else
+  MODULE__COLLECTIONS_TRUE='#'
+  MODULE__COLLECTIONS_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__ABC=yes$as_nl"
+   if true; then
+  MODULE__ABC_TRUE=
+  MODULE__ABC_FALSE='#'
+else
+  MODULE__ABC_TRUE='#'
+  MODULE__ABC_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS=yes$as_nl"
+   if true; then
+  MODULE__CODECS_TRUE=
+  MODULE__CODECS_FALSE='#'
+else
+  MODULE__CODECS_TRUE='#'
+  MODULE__CODECS_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__FUNCTOOLS=yes$as_nl"
+   if true; then
+  MODULE__FUNCTOOLS_TRUE=
+  MODULE__FUNCTOOLS_FALSE='#'
+else
+  MODULE__FUNCTOOLS_TRUE='#'
+  MODULE__FUNCTOOLS_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__IO=yes$as_nl"
+   if true; then
+  MODULE__IO_TRUE=
+  MODULE__IO_FALSE='#'
+else
+  MODULE__IO_TRUE='#'
+  MODULE__IO_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__LOCALE=yes$as_nl"
+   if true; then
+  MODULE__LOCALE_TRUE=
+  MODULE__LOCALE_FALSE='#'
+else
+  MODULE__LOCALE_TRUE='#'
+  MODULE__LOCALE_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__OPERATOR=yes$as_nl"
+   if true; then
+  MODULE__OPERATOR_TRUE=
+  MODULE__OPERATOR_FALSE='#'
+else
+  MODULE__OPERATOR_TRUE='#'
+  MODULE__OPERATOR_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__SIGNAL=yes$as_nl"
+   if true; then
+  MODULE__SIGNAL_TRUE=
+  MODULE__SIGNAL_FALSE='#'
+else
+  MODULE__SIGNAL_TRUE='#'
+  MODULE__SIGNAL_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__SRE=yes$as_nl"
+   if true; then
+  MODULE__SRE_TRUE=
+  MODULE__SRE_FALSE='#'
+else
+  MODULE__SRE_TRUE='#'
+  MODULE__SRE_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__STAT=yes$as_nl"
+   if true; then
+  MODULE__STAT_TRUE=
+  MODULE__STAT_FALSE='#'
+else
+  MODULE__STAT_TRUE='#'
+  MODULE__STAT_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__SYMTABLE=yes$as_nl"
+   if true; then
+  MODULE__SYMTABLE_TRUE=
+  MODULE__SYMTABLE_FALSE='#'
+else
+  MODULE__SYMTABLE_TRUE='#'
+  MODULE__SYMTABLE_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__THREAD=yes$as_nl"
+   if true; then
+  MODULE__THREAD_TRUE=
+  MODULE__THREAD_FALSE='#'
+else
+  MODULE__THREAD_TRUE='#'
+  MODULE__THREAD_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__TRACEMALLOC=yes$as_nl"
+   if true; then
+  MODULE__TRACEMALLOC_TRUE=
+  MODULE__TRACEMALLOC_FALSE='#'
+else
+  MODULE__TRACEMALLOC_TRUE='#'
+  MODULE__TRACEMALLOC_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__WEAKREF=yes$as_nl"
+   if true; then
+  MODULE__WEAKREF_TRUE=
+  MODULE__WEAKREF_FALSE='#'
+else
+  MODULE__WEAKREF_TRUE='#'
+  MODULE__WEAKREF_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_ATEXIT=yes$as_nl"
+   if true; then
+  MODULE_ATEXIT_TRUE=
+  MODULE_ATEXIT_FALSE='#'
+else
+  MODULE_ATEXIT_TRUE='#'
+  MODULE_ATEXIT_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_ERRNO=yes$as_nl"
+   if true; then
+  MODULE_ERRNO_TRUE=
+  MODULE_ERRNO_FALSE='#'
+else
+  MODULE_ERRNO_TRUE='#'
+  MODULE_ERRNO_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_FAULTHANDLER=yes$as_nl"
+   if true; then
+  MODULE_FAULTHANDLER_TRUE=
+  MODULE_FAULTHANDLER_FALSE='#'
+else
+  MODULE_FAULTHANDLER_TRUE='#'
+  MODULE_FAULTHANDLER_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_ITERTOOLS=yes$as_nl"
+   if true; then
+  MODULE_ITERTOOLS_TRUE=
+  MODULE_ITERTOOLS_FALSE='#'
+else
+  MODULE_ITERTOOLS_TRUE='#'
+  MODULE_ITERTOOLS_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_POSIX=yes$as_nl"
+   if true; then
+  MODULE_POSIX_TRUE=
+  MODULE_POSIX_FALSE='#'
+else
+  MODULE_POSIX_TRUE='#'
+  MODULE_POSIX_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_PWD=yes$as_nl"
+   if true; then
+  MODULE_PWD_TRUE=
+  MODULE_PWD_FALSE='#'
+else
+  MODULE_PWD_TRUE='#'
+  MODULE_PWD_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_TIME=yes$as_nl"
+   if true; then
+  MODULE_TIME_TRUE=
+  MODULE_TIME_FALSE='#'
+else
+  MODULE_TIME_TRUE='#'
+  MODULE_TIME_FALSE=
+fi
+
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__STRUCT=yes$as_nl"
+   if true; then
+  MODULE__STRUCT_TRUE=
+  MODULE__STRUCT_FALSE='#'
+else
+  MODULE__STRUCT_TRUE='#'
+  MODULE__STRUCT_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_ARRAY=yes$as_nl"
+   if true; then
+  MODULE_ARRAY_TRUE=
+  MODULE_ARRAY_FALSE='#'
+else
+  MODULE_ARRAY_TRUE='#'
+  MODULE_ARRAY_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CONTEXTVARS=yes$as_nl"
+   if true; then
+  MODULE__CONTEXTVARS_TRUE=
+  MODULE__CONTEXTVARS_FALSE='#'
+else
+  MODULE__CONTEXTVARS_TRUE='#'
+  MODULE__CONTEXTVARS_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_MATH=yes$as_nl"
+   if true; then
+  MODULE_MATH_TRUE=
+  MODULE_MATH_FALSE='#'
+else
+  MODULE_MATH_TRUE='#'
+  MODULE_MATH_FALSE=
+fi
+
+
+    as_fn_append MODULE_BLOCK "MODULE_MATH_LDFLAGS=-lm$as_nl"
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_CMATH=yes$as_nl"
+   if true; then
+  MODULE_CMATH_TRUE=
+  MODULE_CMATH_FALSE='#'
+else
+  MODULE_CMATH_TRUE='#'
+  MODULE_CMATH_FALSE=
+fi
+
+
+    as_fn_append MODULE_BLOCK "MODULE_CMATH_LDFLAGS=-lm$as_nl"
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_TIME=yes$as_nl"
+   if true; then
+  MODULE_TIME_TRUE=
+  MODULE_TIME_FALSE='#'
+else
+  MODULE_TIME_TRUE='#'
+  MODULE_TIME_FALSE=
+fi
+
+
+    as_fn_append MODULE_BLOCK "MODULE_TIME_LDFLAGS=$TIMEMODULE_LIB$as_nl"
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__DATETIME=yes$as_nl"
+   if true; then
+  MODULE__DATETIME_TRUE=
+  MODULE__DATETIME_FALSE='#'
+else
+  MODULE__DATETIME_TRUE='#'
+  MODULE__DATETIME_FALSE=
+fi
+
+
+    as_fn_append MODULE_BLOCK "MODULE__DATETIME_LDFLAGS=$TIMEMODULE_LIB$as_nl"
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__ZONEINFO=yes$as_nl"
+   if true; then
+  MODULE__ZONEINFO_TRUE=
+  MODULE__ZONEINFO_FALSE='#'
+else
+  MODULE__ZONEINFO_TRUE='#'
+  MODULE__ZONEINFO_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__RANDOM=yes$as_nl"
+   if true; then
+  MODULE__RANDOM_TRUE=
+  MODULE__RANDOM_FALSE='#'
+else
+  MODULE__RANDOM_TRUE='#'
+  MODULE__RANDOM_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__BISECT=yes$as_nl"
+   if true; then
+  MODULE__BISECT_TRUE=
+  MODULE__BISECT_FALSE='#'
+else
+  MODULE__BISECT_TRUE='#'
+  MODULE__BISECT_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__HEAPQ=yes$as_nl"
+   if true; then
+  MODULE__HEAPQ_TRUE=
+  MODULE__HEAPQ_FALSE='#'
+else
+  MODULE__HEAPQ_TRUE='#'
+  MODULE__HEAPQ_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__PICKLE=yes$as_nl"
+   if true; then
+  MODULE__PICKLE_TRUE=
+  MODULE__PICKLE_FALSE='#'
+else
+  MODULE__PICKLE_TRUE='#'
+  MODULE__PICKLE_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__JSON=yes$as_nl"
+   if true; then
+  MODULE__JSON_TRUE=
+  MODULE__JSON_FALSE='#'
+else
+  MODULE__JSON_TRUE='#'
+  MODULE__JSON_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__LSPROF=yes$as_nl"
+   if true; then
+  MODULE__LSPROF_TRUE=
+  MODULE__LSPROF_FALSE='#'
+else
+  MODULE__LSPROF_TRUE='#'
+  MODULE__LSPROF_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_UNICODEDATA=yes$as_nl"
+   if true; then
+  MODULE_UNICODEDATA_TRUE=
+  MODULE_UNICODEDATA_FALSE='#'
+else
+  MODULE_UNICODEDATA_TRUE='#'
+  MODULE_UNICODEDATA_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__OPCODE=yes$as_nl"
+   if true; then
+  MODULE__OPCODE_TRUE=
+  MODULE__OPCODE_FALSE='#'
+else
+  MODULE__OPCODE_TRUE='#'
+  MODULE__OPCODE_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__ASYNCIO=yes$as_nl"
+   if true; then
+  MODULE__ASYNCIO_TRUE=
+  MODULE__ASYNCIO_FALSE='#'
+else
+  MODULE__ASYNCIO_TRUE='#'
+  MODULE__ASYNCIO_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__ABC=yes$as_nl"
+   if true; then
+  MODULE__ABC_TRUE=
+  MODULE__ABC_FALSE='#'
+else
+  MODULE__ABC_TRUE='#'
+  MODULE__ABC_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__QUEUE=yes$as_nl"
+   if true; then
+  MODULE__QUEUE_TRUE=
+  MODULE__QUEUE_FALSE='#'
+else
+  MODULE__QUEUE_TRUE='#'
+  MODULE__QUEUE_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__STATISTICS=yes$as_nl"
+   if true; then
+  MODULE__STATISTICS_TRUE=
+  MODULE__STATISTICS_FALSE='#'
+else
+  MODULE__STATISTICS_TRUE='#'
+  MODULE__STATISTICS_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__TYPING=yes$as_nl"
+   if true; then
+  MODULE__TYPING_TRUE=
+  MODULE__TYPING_FALSE='#'
+else
+  MODULE__TYPING_TRUE='#'
+  MODULE__TYPING_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_FCNTL=yes$as_nl"
+   if true; then
+  MODULE_FCNTL_TRUE=
+  MODULE_FCNTL_FALSE='#'
+else
+  MODULE_FCNTL_TRUE='#'
+  MODULE_FCNTL_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_PWD=yes$as_nl"
+   if true; then
+  MODULE_PWD_TRUE=
+  MODULE_PWD_FALSE='#'
+else
+  MODULE_PWD_TRUE='#'
+  MODULE_PWD_FALSE=
+fi
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module grp" >&5
+$as_echo_n "checking for stdlib extension module grp... " >&6; }
+      case $py_stdlib_not_available in #(
+  *grp*) :
+    py_cv_module_grp=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_func_getgrgid" = yes -o "$ac_cv_func_getgrgid_r" = yes; then :
+  py_cv_module_grp=yes
+else
+  py_cv_module_grp=missing
+fi
+else
+  py_cv_module_grp=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_GRP=$py_cv_module_grp$as_nl"
+  if test "x$py_cv_module_grp" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_GRP_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_GRP_LDFLAGS=$as_nl"
+     if true; then
+  MODULE_GRP_TRUE=
+  MODULE_GRP_FALSE='#'
+else
+  MODULE_GRP_TRUE='#'
+  MODULE_GRP_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_GRP_TRUE=
+  MODULE_GRP_FALSE='#'
+else
+  MODULE_GRP_TRUE='#'
+  MODULE_GRP_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_grp" >&5
+$as_echo "$py_cv_module_grp" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module spwd" >&5
+$as_echo_n "checking for stdlib extension module spwd... " >&6; }
+      case $py_stdlib_not_available in #(
+  *spwd*) :
+    py_cv_module_spwd=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_func_getspent" = yes; then :
+  py_cv_module_spwd=yes
+else
+  py_cv_module_spwd=missing
+fi
+else
+  py_cv_module_spwd=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_SPWD=$py_cv_module_spwd$as_nl"
+  if test "x$py_cv_module_spwd" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_SPWD_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_SPWD_LDFLAGS=$as_nl"
+     if true; then
+  MODULE_SPWD_TRUE=
+  MODULE_SPWD_FALSE='#'
+else
+  MODULE_SPWD_TRUE='#'
+  MODULE_SPWD_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_SPWD_TRUE=
+  MODULE_SPWD_FALSE='#'
+else
+  MODULE_SPWD_TRUE='#'
+  MODULE_SPWD_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_spwd" >&5
+$as_echo "$py_cv_module_spwd" >&6; }
+
+
+    as_fn_append MODULE_BLOCK "MODULE_SELECT=yes$as_nl"
+   if true; then
+  MODULE_SELECT_TRUE=
+  MODULE_SELECT_FALSE='#'
+else
+  MODULE_SELECT_TRUE='#'
+  MODULE_SELECT_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_MMAP=yes$as_nl"
+   if true; then
+  MODULE_MMAP_TRUE=
+  MODULE_MMAP_FALSE='#'
+else
+  MODULE_MMAP_TRUE='#'
+  MODULE_MMAP_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE_SYSLOG=yes$as_nl"
+   if true; then
+  MODULE_SYSLOG_TRUE=
+  MODULE_SYSLOG_FALSE='#'
+else
+  MODULE_SYSLOG_TRUE='#'
+  MODULE_SYSLOG_FALSE=
+fi
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _xxsubinterpreters" >&5
+$as_echo_n "checking for stdlib extension module _xxsubinterpreters... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_xxsubinterpreters*) :
+    py_cv_module__xxsubinterpreters=n/a ;; #(
+  *) :
+    if test "$with_experimental_isolated_subinterpreters" = yes; then :
+  if true; then :
+  py_cv_module__xxsubinterpreters=yes
+else
+  py_cv_module__xxsubinterpreters=missing
+fi
+else
+  py_cv_module__xxsubinterpreters=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__XXSUBINTERPRETERS=$py_cv_module__xxsubinterpreters$as_nl"
+  if test "x$py_cv_module__xxsubinterpreters" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__XXSUBINTERPRETERS_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__XXSUBINTERPRETERS_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__XXSUBINTERPRETERS_TRUE=
+  MODULE__XXSUBINTERPRETERS_FALSE='#'
+else
+  MODULE__XXSUBINTERPRETERS_TRUE='#'
+  MODULE__XXSUBINTERPRETERS_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__XXSUBINTERPRETERS_TRUE=
+  MODULE__XXSUBINTERPRETERS_FALSE='#'
+else
+  MODULE__XXSUBINTERPRETERS_TRUE='#'
+  MODULE__XXSUBINTERPRETERS_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__xxsubinterpreters" >&5
+$as_echo "$py_cv_module__xxsubinterpreters" >&6; }
+
+
+    as_fn_append MODULE_BLOCK "MODULE_AUDIOOP=yes$as_nl"
+   if true; then
+  MODULE_AUDIOOP_TRUE=
+  MODULE_AUDIOOP_FALSE='#'
+else
+  MODULE_AUDIOOP_TRUE='#'
+  MODULE_AUDIOOP_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CSV=yes$as_nl"
+   if true; then
+  MODULE__CSV_TRUE=
+  MODULE__CSV_FALSE='#'
+else
+  MODULE__CSV_TRUE='#'
+  MODULE__CSV_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__POSIXSUBPROCESS=yes$as_nl"
+   if true; then
+  MODULE__POSIXSUBPROCESS_TRUE=
+  MODULE__POSIXSUBPROCESS_FALSE='#'
+else
+  MODULE__POSIXSUBPROCESS_TRUE='#'
+  MODULE__POSIXSUBPROCESS_FALSE=
+fi
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testcapi" >&5
+$as_echo_n "checking for stdlib extension module _testcapi... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_testcapi*) :
+    py_cv_module__testcapi=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__testcapi=yes
+else
+  py_cv_module__testcapi=missing
+fi
+else
+  py_cv_module__testcapi=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__TESTCAPI=$py_cv_module__testcapi$as_nl"
+  if test "x$py_cv_module__testcapi" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__TESTCAPI_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__TESTCAPI_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__TESTCAPI_TRUE=
+  MODULE__TESTCAPI_FALSE='#'
+else
+  MODULE__TESTCAPI_TRUE='#'
+  MODULE__TESTCAPI_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__TESTCAPI_TRUE=
+  MODULE__TESTCAPI_FALSE='#'
+else
+  MODULE__TESTCAPI_TRUE='#'
+  MODULE__TESTCAPI_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testcapi" >&5
+$as_echo "$py_cv_module__testcapi" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testinternalcapi" >&5
+$as_echo_n "checking for stdlib extension module _testinternalcapi... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_testinternalcapi*) :
+    py_cv_module__testinternalcapi=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__testinternalcapi=yes
+else
+  py_cv_module__testinternalcapi=missing
+fi
+else
+  py_cv_module__testinternalcapi=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__TESTINTERNALCAPI=$py_cv_module__testinternalcapi$as_nl"
+  if test "x$py_cv_module__testinternalcapi" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__TESTINTERNALCAPI_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__TESTINTERNALCAPI_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__TESTINTERNALCAPI_TRUE=
+  MODULE__TESTINTERNALCAPI_FALSE='#'
+else
+  MODULE__TESTINTERNALCAPI_TRUE='#'
+  MODULE__TESTINTERNALCAPI_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__TESTINTERNALCAPI_TRUE=
+  MODULE__TESTINTERNALCAPI_FALSE='#'
+else
+  MODULE__TESTINTERNALCAPI_TRUE='#'
+  MODULE__TESTINTERNALCAPI_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testinternalcapi" >&5
+$as_echo "$py_cv_module__testinternalcapi" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testbuffer" >&5
+$as_echo_n "checking for stdlib extension module _testbuffer... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_testbuffer*) :
+    py_cv_module__testbuffer=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__testbuffer=yes
+else
+  py_cv_module__testbuffer=missing
+fi
+else
+  py_cv_module__testbuffer=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__TESTBUFFER=$py_cv_module__testbuffer$as_nl"
+  if test "x$py_cv_module__testbuffer" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__TESTBUFFER_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__TESTBUFFER_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__TESTBUFFER_TRUE=
+  MODULE__TESTBUFFER_FALSE='#'
+else
+  MODULE__TESTBUFFER_TRUE='#'
+  MODULE__TESTBUFFER_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__TESTBUFFER_TRUE=
+  MODULE__TESTBUFFER_FALSE='#'
+else
+  MODULE__TESTBUFFER_TRUE='#'
+  MODULE__TESTBUFFER_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testbuffer" >&5
+$as_echo "$py_cv_module__testbuffer" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testimportmultiple" >&5
+$as_echo_n "checking for stdlib extension module _testimportmultiple... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_testimportmultiple*) :
+    py_cv_module__testimportmultiple=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__testimportmultiple=yes
+else
+  py_cv_module__testimportmultiple=missing
+fi
+else
+  py_cv_module__testimportmultiple=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__TESTIMPORTMULTIPLE=$py_cv_module__testimportmultiple$as_nl"
+  if test "x$py_cv_module__testimportmultiple" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__TESTIMPORTMULTIPLE_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__TESTIMPORTMULTIPLE_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__TESTIMPORTMULTIPLE_TRUE=
+  MODULE__TESTIMPORTMULTIPLE_FALSE='#'
+else
+  MODULE__TESTIMPORTMULTIPLE_TRUE='#'
+  MODULE__TESTIMPORTMULTIPLE_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__TESTIMPORTMULTIPLE_TRUE=
+  MODULE__TESTIMPORTMULTIPLE_FALSE='#'
+else
+  MODULE__TESTIMPORTMULTIPLE_TRUE='#'
+  MODULE__TESTIMPORTMULTIPLE_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testimportmultiple" >&5
+$as_echo "$py_cv_module__testimportmultiple" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testmultiphase" >&5
+$as_echo_n "checking for stdlib extension module _testmultiphase... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_testmultiphase*) :
+    py_cv_module__testmultiphase=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__testmultiphase=yes
+else
+  py_cv_module__testmultiphase=missing
+fi
+else
+  py_cv_module__testmultiphase=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__TESTMULTIPHASE=$py_cv_module__testmultiphase$as_nl"
+  if test "x$py_cv_module__testmultiphase" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__TESTMULTIPHASE_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__TESTMULTIPHASE_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__TESTMULTIPHASE_TRUE=
+  MODULE__TESTMULTIPHASE_FALSE='#'
+else
+  MODULE__TESTMULTIPHASE_TRUE='#'
+  MODULE__TESTMULTIPHASE_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__TESTMULTIPHASE_TRUE=
+  MODULE__TESTMULTIPHASE_FALSE='#'
+else
+  MODULE__TESTMULTIPHASE_TRUE='#'
+  MODULE__TESTMULTIPHASE_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testmultiphase" >&5
+$as_echo "$py_cv_module__testmultiphase" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _xxtestfuzz" >&5
+$as_echo_n "checking for stdlib extension module _xxtestfuzz... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_xxtestfuzz*) :
+    py_cv_module__xxtestfuzz=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__xxtestfuzz=yes
+else
+  py_cv_module__xxtestfuzz=missing
+fi
+else
+  py_cv_module__xxtestfuzz=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__XXTESTFUZZ=$py_cv_module__xxtestfuzz$as_nl"
+  if test "x$py_cv_module__xxtestfuzz" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__XXTESTFUZZ_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__XXTESTFUZZ_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__XXTESTFUZZ_TRUE=
+  MODULE__XXTESTFUZZ_FALSE='#'
+else
+  MODULE__XXTESTFUZZ_TRUE='#'
+  MODULE__XXTESTFUZZ_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__XXTESTFUZZ_TRUE=
+  MODULE__XXTESTFUZZ_FALSE='#'
+else
+  MODULE__XXTESTFUZZ_TRUE='#'
+  MODULE__XXTESTFUZZ_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__xxtestfuzz" >&5
+$as_echo "$py_cv_module__xxtestfuzz" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module readline" >&5
+$as_echo_n "checking for stdlib extension module readline... " >&6; }
+      case $py_stdlib_not_available in #(
+  *readline*) :
+    py_cv_module_readline=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$py_cv_lib_readline" = yes; then :
+  py_cv_module_readline=yes
+else
+  py_cv_module_readline=missing
+fi
+else
+  py_cv_module_readline=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_READLINE=$py_cv_module_readline$as_nl"
+  if test "x$py_cv_module_readline" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_READLINE_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_READLINE_LDFLAGS=$READLINE_LIBS$as_nl"
+     if true; then
+  MODULE_READLINE_TRUE=
+  MODULE_READLINE_FALSE='#'
+else
+  MODULE_READLINE_TRUE='#'
+  MODULE_READLINE_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_READLINE_TRUE=
+  MODULE_READLINE_FALSE='#'
+else
+  MODULE_READLINE_TRUE='#'
+  MODULE_READLINE_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_readline" >&5
+$as_echo "$py_cv_module_readline" >&6; }
+
+# TODO: detect curses
+#PY_STDLIB_MOD([_curses], [true], [true], [], [-lncurses -lncursesw -ltermcap])
+#PY_STDLIB_MOD([_curses_panel], [true], [true], [], [-lpanel -lncurses])
+# TODO detect presence of libcrypt
+#PY_STDLIB_MOD([_crypt],
+#  [test "$ac_sys_system" != VxWorks],
+#  [test "$ac_cv_search_crypt_r" != no -o "$ac_cv_search_crypt" != no],
+#  [], [-lcrypt])
+
+    as_fn_append MODULE_BLOCK "MODULE__SOCKET=yes$as_nl"
+   if true; then
+  MODULE__SOCKET_TRUE=
+  MODULE__SOCKET_FALSE='#'
+else
+  MODULE__SOCKET_TRUE='#'
+  MODULE__SOCKET_FALSE=
+fi
+
+
+
+# TODO: add OPENSSL_RPATH
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _ssl" >&5
+$as_echo_n "checking for stdlib extension module _ssl... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_ssl*) :
+    py_cv_module__ssl=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_working_openssl_ssl" = yes; then :
+  py_cv_module__ssl=yes
+else
+  py_cv_module__ssl=missing
+fi
+else
+  py_cv_module__ssl=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SSL=$py_cv_module__ssl$as_nl"
+  if test "x$py_cv_module__ssl" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SSL_CFLAGS=$OPENSSL_INCLUDES$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SSL_LDFLAGS=$OPENSSL_LIBS $OPENSSL_LDFLAGS$as_nl"
+     if true; then
+  MODULE__SSL_TRUE=
+  MODULE__SSL_FALSE='#'
+else
+  MODULE__SSL_TRUE='#'
+  MODULE__SSL_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SSL_TRUE=
+  MODULE__SSL_FALSE='#'
+else
+  MODULE__SSL_TRUE='#'
+  MODULE__SSL_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__ssl" >&5
+$as_echo "$py_cv_module__ssl" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _hashlib" >&5
+$as_echo_n "checking for stdlib extension module _hashlib... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_hashlib*) :
+    py_cv_module__hashlib=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_working_openssl_ssl" = yes; then :
+  py_cv_module__hashlib=yes
+else
+  py_cv_module__hashlib=missing
+fi
+else
+  py_cv_module__hashlib=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__HASHLIB=$py_cv_module__hashlib$as_nl"
+  if test "x$py_cv_module__hashlib" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__HASHLIB_CFLAGS=$OPENSSL_INCLUDES$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__HASHLIB_LDFLAGS=$OPENSSL_LIBS $OPENSSL_LDFLAGS$as_nl"
+     if true; then
+  MODULE__HASHLIB_TRUE=
+  MODULE__HASHLIB_FALSE='#'
+else
+  MODULE__HASHLIB_TRUE='#'
+  MODULE__HASHLIB_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__HASHLIB_TRUE=
+  MODULE__HASHLIB_FALSE='#'
+else
+  MODULE__HASHLIB_TRUE='#'
+  MODULE__HASHLIB_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__hashlib" >&5
+$as_echo "$py_cv_module__hashlib" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha256" >&5
+$as_echo_n "checking for stdlib extension module _sha256... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha256*) :
+    py_cv_module__sha256=n/a ;; #(
+  *) :
+    if test "$with_builtin_sha256" = yes; then :
+  if true; then :
+  py_cv_module__sha256=yes
+else
+  py_cv_module__sha256=missing
+fi
+else
+  py_cv_module__sha256=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA256=$py_cv_module__sha256$as_nl"
+  if test "x$py_cv_module__sha256" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA256_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA256_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA256_TRUE=
+  MODULE__SHA256_FALSE='#'
+else
+  MODULE__SHA256_TRUE='#'
+  MODULE__SHA256_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA256_TRUE=
+  MODULE__SHA256_FALSE='#'
+else
+  MODULE__SHA256_TRUE='#'
+  MODULE__SHA256_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha256" >&5
+$as_echo "$py_cv_module__sha256" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha512" >&5
+$as_echo_n "checking for stdlib extension module _sha512... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha512*) :
+    py_cv_module__sha512=n/a ;; #(
+  *) :
+    if test "$with_builtin_sha512" = yes; then :
+  if true; then :
+  py_cv_module__sha512=yes
+else
+  py_cv_module__sha512=missing
+fi
+else
+  py_cv_module__sha512=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA512=$py_cv_module__sha512$as_nl"
+  if test "x$py_cv_module__sha512" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA512_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA512_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA512_TRUE=
+  MODULE__SHA512_FALSE='#'
+else
+  MODULE__SHA512_TRUE='#'
+  MODULE__SHA512_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA512_TRUE=
+  MODULE__SHA512_FALSE='#'
+else
+  MODULE__SHA512_TRUE='#'
+  MODULE__SHA512_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha512" >&5
+$as_echo "$py_cv_module__sha512" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _md5" >&5
+$as_echo_n "checking for stdlib extension module _md5... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_md5*) :
+    py_cv_module__md5=n/a ;; #(
+  *) :
+    if test "$with_builtin_md5" = yes; then :
+  if true; then :
+  py_cv_module__md5=yes
+else
+  py_cv_module__md5=missing
+fi
+else
+  py_cv_module__md5=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__MD5=$py_cv_module__md5$as_nl"
+  if test "x$py_cv_module__md5" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__MD5_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__MD5_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__MD5_TRUE=
+  MODULE__MD5_FALSE='#'
+else
+  MODULE__MD5_TRUE='#'
+  MODULE__MD5_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__MD5_TRUE=
+  MODULE__MD5_FALSE='#'
+else
+  MODULE__MD5_TRUE='#'
+  MODULE__MD5_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__md5" >&5
+$as_echo "$py_cv_module__md5" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha1" >&5
+$as_echo_n "checking for stdlib extension module _sha1... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha1*) :
+    py_cv_module__sha1=n/a ;; #(
+  *) :
+    if test "$with_builtin_sha1" = yes; then :
+  if true; then :
+  py_cv_module__sha1=yes
+else
+  py_cv_module__sha1=missing
+fi
+else
+  py_cv_module__sha1=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA1=$py_cv_module__sha1$as_nl"
+  if test "x$py_cv_module__sha1" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA1_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA1_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA1_TRUE=
+  MODULE__SHA1_FALSE='#'
+else
+  MODULE__SHA1_TRUE='#'
+  MODULE__SHA1_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA1_TRUE=
+  MODULE__SHA1_FALSE='#'
+else
+  MODULE__SHA1_TRUE='#'
+  MODULE__SHA1_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha1" >&5
+$as_echo "$py_cv_module__sha1" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _blake2" >&5
+$as_echo_n "checking for stdlib extension module _blake2... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_blake2*) :
+    py_cv_module__blake2=n/a ;; #(
+  *) :
+    if test "$with_builtin_blake2" = yes; then :
+  if true; then :
+  py_cv_module__blake2=yes
+else
+  py_cv_module__blake2=missing
+fi
+else
+  py_cv_module__blake2=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__BLAKE2=$py_cv_module__blake2$as_nl"
+  if test "x$py_cv_module__blake2" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__BLAKE2_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__BLAKE2_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__BLAKE2_TRUE=
+  MODULE__BLAKE2_FALSE='#'
+else
+  MODULE__BLAKE2_TRUE='#'
+  MODULE__BLAKE2_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__BLAKE2_TRUE=
+  MODULE__BLAKE2_FALSE='#'
+else
+  MODULE__BLAKE2_TRUE='#'
+  MODULE__BLAKE2_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__blake2" >&5
+$as_echo "$py_cv_module__blake2" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha3" >&5
+$as_echo_n "checking for stdlib extension module _sha3... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha3*) :
+    py_cv_module__sha3=n/a ;; #(
+  *) :
+    if test "$with_builtin_sha3" = yes; then :
+  if true; then :
+  py_cv_module__sha3=yes
+else
+  py_cv_module__sha3=missing
+fi
+else
+  py_cv_module__sha3=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA3=$py_cv_module__sha3$as_nl"
+  if test "x$py_cv_module__sha3" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA3_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA3_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA3_TRUE=
+  MODULE__SHA3_FALSE='#'
+else
+  MODULE__SHA3_TRUE='#'
+  MODULE__SHA3_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA3_TRUE=
+  MODULE__SHA3_FALSE='#'
+else
+  MODULE__SHA3_TRUE='#'
+  MODULE__SHA3_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha3" >&5
+$as_echo "$py_cv_module__sha3" >&6; }
+
+# TODO: select dbm library
+#PY_STDLIB_MOD([_dbm], [true], [true], [-DUSE_GDBM_COMPAT], [-lgdbm_compat])
+# TODO: only build gdbm when it is listed on libdbmorder
+#PY_STDLIB_MOD([_gdbm],
+#  [true],
+#  [test "$ac_cv_lib_gdbm_gdbm_open" = yes],
+#  [$GDBM_CFLAGS], [$GDBM_LDFLAGS])
+# TODO: detect sqlite
+#PY_STDLIB_MOD([_sqlite3], [true], [true], [], [-lsqlite3])
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module termios" >&5
+$as_echo_n "checking for stdlib extension module termios... " >&6; }
+      case $py_stdlib_not_available in #(
+  *termios*) :
+    py_cv_module_termios=n/a ;; #(
+  *) :
+    if test "$ac_sys_system" != VxWorks; then :
+  if true; then :
+  py_cv_module_termios=yes
+else
+  py_cv_module_termios=missing
+fi
+else
+  py_cv_module_termios=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_TERMIOS=$py_cv_module_termios$as_nl"
+  if test "x$py_cv_module_termios" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_TERMIOS_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_TERMIOS_LDFLAGS=$as_nl"
+     if true; then
+  MODULE_TERMIOS_TRUE=
+  MODULE_TERMIOS_FALSE='#'
+else
+  MODULE_TERMIOS_TRUE='#'
+  MODULE_TERMIOS_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_TERMIOS_TRUE=
+  MODULE_TERMIOS_FALSE='#'
+else
+  MODULE_TERMIOS_TRUE='#'
+  MODULE_TERMIOS_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_termios" >&5
+$as_echo "$py_cv_module_termios" >&6; }
+
+
+    as_fn_append MODULE_BLOCK "MODULE_RESOURCE=yes$as_nl"
+   if true; then
+  MODULE_RESOURCE_TRUE=
+  MODULE_RESOURCE_FALSE='#'
+else
+  MODULE_RESOURCE_TRUE='#'
+  MODULE_RESOURCE_FALSE=
+fi
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module ossaudiodev" >&5
+$as_echo_n "checking for stdlib extension module ossaudiodev... " >&6; }
+      case $py_stdlib_not_available in #(
+  *ossaudiodev*) :
+    py_cv_module_ossaudiodev=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_header_linux_soundcard_h" = yes -o "$ac_cv_header_sys_soundcard_h" = yes; then :
+  py_cv_module_ossaudiodev=yes
+else
+  py_cv_module_ossaudiodev=missing
+fi
+else
+  py_cv_module_ossaudiodev=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_OSSAUDIODEV=$py_cv_module_ossaudiodev$as_nl"
+  if test "x$py_cv_module_ossaudiodev" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_OSSAUDIODEV_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_OSSAUDIODEV_LDFLAGS=$as_nl"
+     if true; then
+  MODULE_OSSAUDIODEV_TRUE=
+  MODULE_OSSAUDIODEV_FALSE='#'
+else
+  MODULE_OSSAUDIODEV_TRUE='#'
+  MODULE_OSSAUDIODEV_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_OSSAUDIODEV_TRUE=
+  MODULE_OSSAUDIODEV_FALSE='#'
+else
+  MODULE_OSSAUDIODEV_TRUE='#'
+  MODULE_OSSAUDIODEV_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_ossaudiodev" >&5
+$as_echo "$py_cv_module_ossaudiodev" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _scproxy" >&5
+$as_echo_n "checking for stdlib extension module _scproxy... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_scproxy*) :
+    py_cv_module__scproxy=n/a ;; #(
+  *) :
+    if test "$ac_sys_system" = "Darwin"; then :
+  if true; then :
+  py_cv_module__scproxy=yes
+else
+  py_cv_module__scproxy=missing
+fi
+else
+  py_cv_module__scproxy=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SCPROXY=$py_cv_module__scproxy$as_nl"
+  if test "x$py_cv_module__scproxy" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SCPROXY_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SCPROXY_LDFLAGS=-framework SystemConfiguration -framework CoreFoundation$as_nl"
+     if true; then
+  MODULE__SCPROXY_TRUE=
+  MODULE__SCPROXY_FALSE='#'
+else
+  MODULE__SCPROXY_TRUE='#'
+  MODULE__SCPROXY_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SCPROXY_TRUE=
+  MODULE__SCPROXY_FALSE='#'
+else
+  MODULE__SCPROXY_TRUE='#'
+  MODULE__SCPROXY_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__scproxy" >&5
+$as_echo "$py_cv_module__scproxy" >&6; }
+
+# TODO: detect nsl and tirpc
+#PY_STDLIB_MOD([nis], [true], [true], [-I/usr/include/tirpc], [-lnsl -ltirpc])
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module zlib" >&5
+$as_echo_n "checking for stdlib extension module zlib... " >&6; }
+      case $py_stdlib_not_available in #(
+  *zlib*) :
+    py_cv_module_zlib=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_header_zlib_h" = yes -a "$ac_cv_lib_z_gzread" = yes; then :
+  py_cv_module_zlib=yes
+else
+  py_cv_module_zlib=missing
+fi
+else
+  py_cv_module_zlib=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_ZLIB=$py_cv_module_zlib$as_nl"
+  if test "x$py_cv_module_zlib" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_ZLIB_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_ZLIB_LDFLAGS=-lz$as_nl"
+     if true; then
+  MODULE_ZLIB_TRUE=
+  MODULE_ZLIB_FALSE='#'
+else
+  MODULE_ZLIB_TRUE='#'
+  MODULE_ZLIB_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_ZLIB_TRUE=
+  MODULE_ZLIB_FALSE='#'
+else
+  MODULE_ZLIB_TRUE='#'
+  MODULE_ZLIB_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_zlib" >&5
+$as_echo "$py_cv_module_zlib" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module binascii" >&5
+$as_echo_n "checking for stdlib extension module binascii... " >&6; }
+      case $py_stdlib_not_available in #(
+  *binascii*) :
+    py_cv_module_binascii=n/a ;; #(
+  *) :
+    if true; then :
+  if true; then :
+  py_cv_module_binascii=yes
+else
+  py_cv_module_binascii=missing
+fi
+else
+  py_cv_module_binascii=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_BINASCII=$py_cv_module_binascii$as_nl"
+  if test "x$py_cv_module_binascii" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_BINASCII_CFLAGS=$BINASCII_CFLAGS$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_BINASCII_LDFLAGS=$BINASCII_LDFLAGS$as_nl"
+     if true; then
+  MODULE_BINASCII_TRUE=
+  MODULE_BINASCII_FALSE='#'
+else
+  MODULE_BINASCII_TRUE='#'
+  MODULE_BINASCII_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_BINASCII_TRUE=
+  MODULE_BINASCII_FALSE='#'
+else
+  MODULE_BINASCII_TRUE='#'
+  MODULE_BINASCII_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_binascii" >&5
+$as_echo "$py_cv_module_binascii" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _bz2" >&5
+$as_echo_n "checking for stdlib extension module _bz2... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_bz2*) :
+    py_cv_module__bz2=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_header_bzlib_h" = yes -a "$ac_cv_lib_bz2_BZ2_bzCompress" = yes; then :
+  py_cv_module__bz2=yes
+else
+  py_cv_module__bz2=missing
+fi
+else
+  py_cv_module__bz2=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__BZ2=$py_cv_module__bz2$as_nl"
+  if test "x$py_cv_module__bz2" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__BZ2_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__BZ2_LDFLAGS=-lbz2$as_nl"
+     if true; then
+  MODULE__BZ2_TRUE=
+  MODULE__BZ2_FALSE='#'
+else
+  MODULE__BZ2_TRUE='#'
+  MODULE__BZ2_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__BZ2_TRUE=
+  MODULE__BZ2_FALSE='#'
+else
+  MODULE__BZ2_TRUE='#'
+  MODULE__BZ2_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__bz2" >&5
+$as_echo "$py_cv_module__bz2" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _lzma" >&5
+$as_echo_n "checking for stdlib extension module _lzma... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_lzma*) :
+    py_cv_module__lzma=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_header_lzma_h" = yes -a "$ac_cv_lib_lzma_lzma_easy_encoder" = yes; then :
+  py_cv_module__lzma=yes
+else
+  py_cv_module__lzma=missing
+fi
+else
+  py_cv_module__lzma=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__LZMA=$py_cv_module__lzma$as_nl"
+  if test "x$py_cv_module__lzma" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__LZMA_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__LZMA_LDFLAGS=-llzma$as_nl"
+     if true; then
+  MODULE__LZMA_TRUE=
+  MODULE__LZMA_FALSE='#'
+else
+  MODULE__LZMA_TRUE='#'
+  MODULE__LZMA_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__LZMA_TRUE=
+  MODULE__LZMA_FALSE='#'
+else
+  MODULE__LZMA_TRUE='#'
+  MODULE__LZMA_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__lzma" >&5
+$as_echo "$py_cv_module__lzma" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module pyexpat" >&5
+$as_echo_n "checking for stdlib extension module pyexpat... " >&6; }
+      case $py_stdlib_not_available in #(
+  *pyexpat*) :
+    py_cv_module_pyexpat=n/a ;; #(
+  *) :
+    if true; then :
+  if true; then :
+  py_cv_module_pyexpat=yes
+else
+  py_cv_module_pyexpat=missing
+fi
+else
+  py_cv_module_pyexpat=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_PYEXPAT=$py_cv_module_pyexpat$as_nl"
+  if test "x$py_cv_module_pyexpat" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_PYEXPAT_CFLAGS=$LIBEXPAT_CFLAGS$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_PYEXPAT_LDFLAGS=$LIBEXPAT_LDFLAGS$as_nl"
+     if true; then
+  MODULE_PYEXPAT_TRUE=
+  MODULE_PYEXPAT_FALSE='#'
+else
+  MODULE_PYEXPAT_TRUE='#'
+  MODULE_PYEXPAT_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_PYEXPAT_TRUE=
+  MODULE_PYEXPAT_FALSE='#'
+else
+  MODULE_PYEXPAT_TRUE='#'
+  MODULE_PYEXPAT_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_pyexpat" >&5
+$as_echo "$py_cv_module_pyexpat" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _elementtree" >&5
+$as_echo_n "checking for stdlib extension module _elementtree... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_elementtree*) :
+    py_cv_module__elementtree=n/a ;; #(
+  *) :
+    if true; then :
+  if true; then :
+  py_cv_module__elementtree=yes
+else
+  py_cv_module__elementtree=missing
+fi
+else
+  py_cv_module__elementtree=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__ELEMENTTREE=$py_cv_module__elementtree$as_nl"
+  if test "x$py_cv_module__elementtree" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__ELEMENTTREE_CFLAGS=$LIBEXPAT_CFLAGS$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__ELEMENTTREE_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__ELEMENTTREE_TRUE=
+  MODULE__ELEMENTTREE_FALSE='#'
+else
+  MODULE__ELEMENTTREE_TRUE='#'
+  MODULE__ELEMENTTREE_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__ELEMENTTREE_TRUE=
+  MODULE__ELEMENTTREE_FALSE='#'
+else
+  MODULE__ELEMENTTREE_TRUE='#'
+  MODULE__ELEMENTTREE_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__elementtree" >&5
+$as_echo "$py_cv_module__elementtree" >&6; }
+
+
+    as_fn_append MODULE_BLOCK "MODULE__MULTIBYTECODEC=yes$as_nl"
+   if true; then
+  MODULE__MULTIBYTECODEC_TRUE=
+  MODULE__MULTIBYTECODEC_FALSE='#'
+else
+  MODULE__MULTIBYTECODEC_TRUE='#'
+  MODULE__MULTIBYTECODEC_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS_KR=yes$as_nl"
+   if true; then
+  MODULE__CODECS_KR_TRUE=
+  MODULE__CODECS_KR_FALSE='#'
+else
+  MODULE__CODECS_KR_TRUE='#'
+  MODULE__CODECS_KR_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS_JP=yes$as_nl"
+   if true; then
+  MODULE__CODECS_JP_TRUE=
+  MODULE__CODECS_JP_FALSE='#'
+else
+  MODULE__CODECS_JP_TRUE='#'
+  MODULE__CODECS_JP_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS_CN=yes$as_nl"
+   if true; then
+  MODULE__CODECS_CN_TRUE=
+  MODULE__CODECS_CN_FALSE='#'
+else
+  MODULE__CODECS_CN_TRUE='#'
+  MODULE__CODECS_CN_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS_TW=yes$as_nl"
+   if true; then
+  MODULE__CODECS_TW_TRUE=
+  MODULE__CODECS_TW_FALSE='#'
+else
+  MODULE__CODECS_TW_TRUE='#'
+  MODULE__CODECS_TW_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS_HK=yes$as_nl"
+   if true; then
+  MODULE__CODECS_HK_TRUE=
+  MODULE__CODECS_HK_FALSE='#'
+else
+  MODULE__CODECS_HK_TRUE='#'
+  MODULE__CODECS_HK_FALSE=
+fi
+
+
+
+
+    as_fn_append MODULE_BLOCK "MODULE__CODECS_ISO2022=yes$as_nl"
+   if true; then
+  MODULE__CODECS_ISO2022_TRUE=
+  MODULE__CODECS_ISO2022_FALSE='#'
+else
+  MODULE__CODECS_ISO2022_TRUE='#'
+  MODULE__CODECS_ISO2022_FALSE=
+fi
+
+
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _decimal" >&5
+$as_echo_n "checking for stdlib extension module _decimal... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_decimal*) :
+    py_cv_module__decimal=n/a ;; #(
+  *) :
+    if true; then :
+  if true; then :
+  py_cv_module__decimal=yes
+else
+  py_cv_module__decimal=missing
+fi
+else
+  py_cv_module__decimal=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__DECIMAL=$py_cv_module__decimal$as_nl"
+  if test "x$py_cv_module__decimal" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__DECIMAL_CFLAGS=$LIBMPDEC_CFLAGS$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__DECIMAL_LDFLAGS=$LIBMPDEC_LDFLAGS$as_nl"
+     if true; then
+  MODULE__DECIMAL_TRUE=
+  MODULE__DECIMAL_FALSE='#'
+else
+  MODULE__DECIMAL_TRUE='#'
+  MODULE__DECIMAL_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__DECIMAL_TRUE=
+  MODULE__DECIMAL_FALSE='#'
+else
+  MODULE__DECIMAL_TRUE='#'
+  MODULE__DECIMAL_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__decimal" >&5
+$as_echo "$py_cv_module__decimal" >&6; }
+
+# TODO: handle ffi dependency
+#PY_STDLIB_MOD([_ctypes],
+#  [true], [true],
+#  [-DHAVE_FFI_PREP_CIF_VAR -DHAVE_FFI_PREP_CLOSURE_LOC -DHAVE_FFI_CLOSURE_ALLOC],
+#  [-ldl -lffi])
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _ctypes_test" >&5
+$as_echo_n "checking for stdlib extension module _ctypes_test... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_ctypes_test*) :
+    py_cv_module__ctypes_test=n/a ;; #(
+  *) :
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__ctypes_test=yes
+else
+  py_cv_module__ctypes_test=missing
+fi
+else
+  py_cv_module__ctypes_test=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__CTYPES_TEST=$py_cv_module__ctypes_test$as_nl"
+  if test "x$py_cv_module__ctypes_test" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__CTYPES_TEST_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__CTYPES_TEST_LDFLAGS=-lm$as_nl"
+     if true; then
+  MODULE__CTYPES_TEST_TRUE=
+  MODULE__CTYPES_TEST_FALSE='#'
+else
+  MODULE__CTYPES_TEST_TRUE='#'
+  MODULE__CTYPES_TEST_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__CTYPES_TEST_TRUE=
+  MODULE__CTYPES_TEST_FALSE='#'
+else
+  MODULE__CTYPES_TEST_TRUE='#'
+  MODULE__CTYPES_TEST_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__ctypes_test" >&5
+$as_echo "$py_cv_module__ctypes_test" >&6; }
+
+# TODO: include _multiprocessing/semaphore.c conditional
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _multiprocessing" >&5
+$as_echo_n "checking for stdlib extension module _multiprocessing... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_multiprocessing*) :
+    py_cv_module__multiprocessing=n/a ;; #(
+  *) :
+    if true; then :
+  if true; then :
+  py_cv_module__multiprocessing=yes
+else
+  py_cv_module__multiprocessing=missing
+fi
+else
+  py_cv_module__multiprocessing=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__MULTIPROCESSING=$py_cv_module__multiprocessing$as_nl"
+  if test "x$py_cv_module__multiprocessing" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__MULTIPROCESSING_CFLAGS=-I\$(srcdir)/Modules/_multiprocessing$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__MULTIPROCESSING_LDFLAGS=$SHM_OPEN_LIB$as_nl"
+     if true; then
+  MODULE__MULTIPROCESSING_TRUE=
+  MODULE__MULTIPROCESSING_FALSE='#'
+else
+  MODULE__MULTIPROCESSING_TRUE='#'
+  MODULE__MULTIPROCESSING_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__MULTIPROCESSING_TRUE=
+  MODULE__MULTIPROCESSING_FALSE='#'
+else
+  MODULE__MULTIPROCESSING_TRUE='#'
+  MODULE__MULTIPROCESSING_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__multiprocessing" >&5
+$as_echo "$py_cv_module__multiprocessing" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _posixshmem" >&5
+$as_echo_n "checking for stdlib extension module _posixshmem... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_posixshmem*) :
+    py_cv_module__posixshmem=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_func_shm_open" = yes -a "$ac_cv_func_shm_unlink" = yes; then :
+  py_cv_module__posixshmem=yes
+else
+  py_cv_module__posixshmem=missing
+fi
+else
+  py_cv_module__posixshmem=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM=$py_cv_module__posixshmem$as_nl"
+  if test "x$py_cv_module__posixshmem" = xyes; then :
 
+    as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_CFLAGS=-I\$(srcdir)/Modules/_multiprocessing$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_LDFLAGS=$SHM_OPEN_LIB$as_nl"
+     if true; then
+  MODULE__POSIXSHMEM_TRUE=
+  MODULE__POSIXSHMEM_FALSE='#'
+else
+  MODULE__POSIXSHMEM_TRUE='#'
+  MODULE__POSIXSHMEM_FALSE=
 fi
 
 
-# --with-experimental-isolated-subinterpreters
+else
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-experimental-isolated-subinterpreters" >&5
-$as_echo_n "checking for --with-experimental-isolated-subinterpreters... " >&6; }
+     if false; then
+  MODULE__POSIXSHMEM_TRUE=
+  MODULE__POSIXSHMEM_FALSE='#'
+else
+  MODULE__POSIXSHMEM_TRUE='#'
+  MODULE__POSIXSHMEM_FALSE=
+fi
 
-# Check whether --with-experimental-isolated-subinterpreters was given.
-if test "${with_experimental_isolated_subinterpreters+set}" = set; then :
-  withval=$with_experimental_isolated_subinterpreters;
-if test "$withval" != no
-then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; };
-  $as_echo "#define EXPERIMENTAL_ISOLATED_SUBINTERPRETERS 1" >>confdefs.h
 
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__posixshmem" >&5
+$as_echo "$py_cv_module__posixshmem" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _tkinter" >&5
+$as_echo_n "checking for stdlib extension module _tkinter... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_tkinter*) :
+    py_cv_module__tkinter=n/a ;; #(
+  *) :
+    if true; then :
+  if test -n "$TCLTK_LIBS"; then :
+  py_cv_module__tkinter=yes
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; };
+  py_cv_module__tkinter=missing
 fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  py_cv_module__tkinter=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__TKINTER=$py_cv_module__tkinter$as_nl"
+  if test "x$py_cv_module__tkinter" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__TKINTER_CFLAGS=-DWITH_APPINIT=1$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__TKINTER_LDFLAGS=$TCLTK_LIBS$as_nl"
+     if true; then
+  MODULE__TKINTER_TRUE=
+  MODULE__TKINTER_FALSE='#'
+else
+  MODULE__TKINTER_TRUE='#'
+  MODULE__TKINTER_FALSE=
 fi
 
 
-# --with-static-libpython
-STATIC_LIBPYTHON=1
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-static-libpython" >&5
-$as_echo_n "checking for --with-static-libpython... " >&6; }
+else
 
-# Check whether --with-static-libpython was given.
-if test "${with_static_libpython+set}" = set; then :
-  withval=$with_static_libpython;
-if test "$withval" = no
-then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; };
-  STATIC_LIBPYTHON=0
+     if false; then
+  MODULE__TKINTER_TRUE=
+  MODULE__TKINTER_FALSE='#'
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; };
+  MODULE__TKINTER_TRUE='#'
+  MODULE__TKINTER_FALSE=
 fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__tkinter" >&5
+$as_echo "$py_cv_module__tkinter" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _uuid" >&5
+$as_echo_n "checking for stdlib extension module _uuid... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_uuid*) :
+    py_cv_module__uuid=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_lib_uuid_uuid_generate_time" = yes -o "$ac_cv_func_uuid_create" = yes; then :
+  py_cv_module__uuid=yes
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  py_cv_module__uuid=missing
 fi
+else
+  py_cv_module__uuid=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__UUID=$py_cv_module__uuid$as_nl"
+  if test "x$py_cv_module__uuid" = xyes; then :
 
-LIBRARY_DEPS='$(PY3LIBRARY) $(EXPORTSYMS)'
-if test "$PY_ENABLE_SHARED" = 1 || test "$enable_framework" ; then
-    LIBRARY_DEPS="\$(LDLIBRARY) $LIBRARY_DEPS"
-    if test "$STATIC_LIBPYTHON" = 1; then
-        LIBRARY_DEPS="\$(LIBRARY) $LIBRARY_DEPS"
-    fi
+    as_fn_append MODULE_BLOCK "MODULE__UUID_CFLAGS=$UUID_CFLAGS$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__UUID_LDFLAGS=$UUID_LDLAGS$as_nl"
+     if true; then
+  MODULE__UUID_TRUE=
+  MODULE__UUID_FALSE='#'
 else
-    LIBRARY_DEPS="\$(LIBRARY) $LIBRARY_DEPS"
+  MODULE__UUID_TRUE='#'
+  MODULE__UUID_FALSE=
 fi
 
 
+else
 
-# Check whether to disable test modules. Once set, setup.py will not build
-# test extension modules and "make install" will not install test suites.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --disable-test-modules" >&5
-$as_echo_n "checking for --disable-test-modules... " >&6; }
-# Check whether --enable-test-modules was given.
-if test "${enable_test_modules+set}" = set; then :
-  enableval=$enable_test_modules;
+     if false; then
+  MODULE__UUID_TRUE=
+  MODULE__UUID_FALSE='#'
+else
+  MODULE__UUID_TRUE='#'
+  MODULE__UUID_FALSE=
 fi
 
-if test "$enable_test_modules" = no; then
-    TEST_MODULES=no
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__uuid" >&5
+$as_echo "$py_cv_module__uuid" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module xxlimited" >&5
+$as_echo_n "checking for stdlib extension module xxlimited... " >&6; }
+      case $py_stdlib_not_available in #(
+  *xxlimited*) :
+    py_cv_module_xxlimited=n/a ;; #(
+  *) :
+    if test "$with_trace_refs" != "yes"; then :
+  if true; then :
+  py_cv_module_xxlimited=yes
 else
-    TEST_MODULES=yes
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  py_cv_module_xxlimited=missing
+fi
+else
+  py_cv_module_xxlimited=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_XXLIMITED=$py_cv_module_xxlimited$as_nl"
+  if test "x$py_cv_module_xxlimited" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_XXLIMITED_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_XXLIMITED_LDFLAGS=$as_nl"
+     if true; then
+  MODULE_XXLIMITED_TRUE=
+  MODULE_XXLIMITED_FALSE='#'
+else
+  MODULE_XXLIMITED_TRUE='#'
+  MODULE_XXLIMITED_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_XXLIMITED_TRUE=
+  MODULE_XXLIMITED_FALSE='#'
+else
+  MODULE_XXLIMITED_TRUE='#'
+  MODULE_XXLIMITED_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_xxlimited" >&5
+$as_echo "$py_cv_module_xxlimited" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module xxlimited_35" >&5
+$as_echo_n "checking for stdlib extension module xxlimited_35... " >&6; }
+      case $py_stdlib_not_available in #(
+  *xxlimited_35*) :
+    py_cv_module_xxlimited_35=n/a ;; #(
+  *) :
+    if test "$with_trace_refs" != "yes"; then :
+  if true; then :
+  py_cv_module_xxlimited_35=yes
+else
+  py_cv_module_xxlimited_35=missing
+fi
+else
+  py_cv_module_xxlimited_35=disabled
+fi
+     ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_XXLIMITED_35=$py_cv_module_xxlimited_35$as_nl"
+  if test "x$py_cv_module_xxlimited_35" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE_XXLIMITED_35_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE_XXLIMITED_35_LDFLAGS=$as_nl"
+     if true; then
+  MODULE_XXLIMITED_35_TRUE=
+  MODULE_XXLIMITED_35_FALSE='#'
+else
+  MODULE_XXLIMITED_35_TRUE='#'
+  MODULE_XXLIMITED_35_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE_XXLIMITED_35_TRUE=
+  MODULE_XXLIMITED_35_FALSE='#'
+else
+  MODULE_XXLIMITED_35_TRUE='#'
+  MODULE_XXLIMITED_35_FALSE=
+fi
+
+
 fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_xxlimited_35" >&5
+$as_echo "$py_cv_module_xxlimited_35" >&6; }
+
 
+# substitute multiline block, must come after last PY_STDLIB_MOD()
 
 
 # generate output files
 ac_config_files="$ac_config_files Makefile.pre Misc/python.pc Misc/python-embed.pc Misc/python-config.sh"
 
+ac_config_files="$ac_config_files Modules/Setup.stdlib"
+
 ac_config_files="$ac_config_files Modules/ld_so_aix"
 
 cat >confcache <<\_ACEOF
@@ -19312,6 +22006,522 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
+if test -z "${MODULE__COLLECTIONS_TRUE}" && test -z "${MODULE__COLLECTIONS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__COLLECTIONS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__ABC_TRUE}" && test -z "${MODULE__ABC_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__ABC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_TRUE}" && test -z "${MODULE__CODECS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__FUNCTOOLS_TRUE}" && test -z "${MODULE__FUNCTOOLS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__FUNCTOOLS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__IO_TRUE}" && test -z "${MODULE__IO_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__IO\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__LOCALE_TRUE}" && test -z "${MODULE__LOCALE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__LOCALE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__OPERATOR_TRUE}" && test -z "${MODULE__OPERATOR_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__OPERATOR\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SIGNAL_TRUE}" && test -z "${MODULE__SIGNAL_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SIGNAL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SRE_TRUE}" && test -z "${MODULE__SRE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SRE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__STAT_TRUE}" && test -z "${MODULE__STAT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__STAT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SYMTABLE_TRUE}" && test -z "${MODULE__SYMTABLE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SYMTABLE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__THREAD_TRUE}" && test -z "${MODULE__THREAD_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__THREAD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TRACEMALLOC_TRUE}" && test -z "${MODULE__TRACEMALLOC_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TRACEMALLOC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__WEAKREF_TRUE}" && test -z "${MODULE__WEAKREF_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__WEAKREF\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_ATEXIT_TRUE}" && test -z "${MODULE_ATEXIT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_ATEXIT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_ERRNO_TRUE}" && test -z "${MODULE_ERRNO_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_ERRNO\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_FAULTHANDLER_TRUE}" && test -z "${MODULE_FAULTHANDLER_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_FAULTHANDLER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_ITERTOOLS_TRUE}" && test -z "${MODULE_ITERTOOLS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_ITERTOOLS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_POSIX_TRUE}" && test -z "${MODULE_POSIX_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_POSIX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_PWD_TRUE}" && test -z "${MODULE_PWD_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_PWD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_TIME_TRUE}" && test -z "${MODULE_TIME_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_TIME\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__STRUCT_TRUE}" && test -z "${MODULE__STRUCT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__STRUCT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_ARRAY_TRUE}" && test -z "${MODULE_ARRAY_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_ARRAY\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CONTEXTVARS_TRUE}" && test -z "${MODULE__CONTEXTVARS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CONTEXTVARS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_MATH_TRUE}" && test -z "${MODULE_MATH_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_MATH\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_CMATH_TRUE}" && test -z "${MODULE_CMATH_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_CMATH\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_TIME_TRUE}" && test -z "${MODULE_TIME_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_TIME\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__DATETIME_TRUE}" && test -z "${MODULE__DATETIME_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__DATETIME\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__ZONEINFO_TRUE}" && test -z "${MODULE__ZONEINFO_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__ZONEINFO\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__RANDOM_TRUE}" && test -z "${MODULE__RANDOM_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__RANDOM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BISECT_TRUE}" && test -z "${MODULE__BISECT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BISECT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__HEAPQ_TRUE}" && test -z "${MODULE__HEAPQ_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__HEAPQ\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__PICKLE_TRUE}" && test -z "${MODULE__PICKLE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__PICKLE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__JSON_TRUE}" && test -z "${MODULE__JSON_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__JSON\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__LSPROF_TRUE}" && test -z "${MODULE__LSPROF_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__LSPROF\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_UNICODEDATA_TRUE}" && test -z "${MODULE_UNICODEDATA_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_UNICODEDATA\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__OPCODE_TRUE}" && test -z "${MODULE__OPCODE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__OPCODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__ASYNCIO_TRUE}" && test -z "${MODULE__ASYNCIO_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__ASYNCIO\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__ABC_TRUE}" && test -z "${MODULE__ABC_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__ABC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__QUEUE_TRUE}" && test -z "${MODULE__QUEUE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__QUEUE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__STATISTICS_TRUE}" && test -z "${MODULE__STATISTICS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__STATISTICS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TYPING_TRUE}" && test -z "${MODULE__TYPING_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TYPING\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_FCNTL_TRUE}" && test -z "${MODULE_FCNTL_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_FCNTL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_PWD_TRUE}" && test -z "${MODULE_PWD_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_PWD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_GRP_TRUE}" && test -z "${MODULE_GRP_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_GRP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_GRP_TRUE}" && test -z "${MODULE_GRP_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_GRP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_SPWD_TRUE}" && test -z "${MODULE_SPWD_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_SPWD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_SPWD_TRUE}" && test -z "${MODULE_SPWD_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_SPWD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_SELECT_TRUE}" && test -z "${MODULE_SELECT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_SELECT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_MMAP_TRUE}" && test -z "${MODULE_MMAP_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_MMAP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_SYSLOG_TRUE}" && test -z "${MODULE_SYSLOG_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_SYSLOG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__XXSUBINTERPRETERS_TRUE}" && test -z "${MODULE__XXSUBINTERPRETERS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__XXSUBINTERPRETERS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__XXSUBINTERPRETERS_TRUE}" && test -z "${MODULE__XXSUBINTERPRETERS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__XXSUBINTERPRETERS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_AUDIOOP_TRUE}" && test -z "${MODULE_AUDIOOP_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_AUDIOOP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CSV_TRUE}" && test -z "${MODULE__CSV_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CSV\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__POSIXSUBPROCESS_TRUE}" && test -z "${MODULE__POSIXSUBPROCESS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__POSIXSUBPROCESS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTCAPI_TRUE}" && test -z "${MODULE__TESTCAPI_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTCAPI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTCAPI_TRUE}" && test -z "${MODULE__TESTCAPI_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTCAPI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTINTERNALCAPI_TRUE}" && test -z "${MODULE__TESTINTERNALCAPI_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTINTERNALCAPI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTINTERNALCAPI_TRUE}" && test -z "${MODULE__TESTINTERNALCAPI_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTINTERNALCAPI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTBUFFER_TRUE}" && test -z "${MODULE__TESTBUFFER_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTBUFFER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTBUFFER_TRUE}" && test -z "${MODULE__TESTBUFFER_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTBUFFER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTIMPORTMULTIPLE_TRUE}" && test -z "${MODULE__TESTIMPORTMULTIPLE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTIMPORTMULTIPLE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTIMPORTMULTIPLE_TRUE}" && test -z "${MODULE__TESTIMPORTMULTIPLE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTIMPORTMULTIPLE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTMULTIPHASE_TRUE}" && test -z "${MODULE__TESTMULTIPHASE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTMULTIPHASE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TESTMULTIPHASE_TRUE}" && test -z "${MODULE__TESTMULTIPHASE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTMULTIPHASE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__XXTESTFUZZ_TRUE}" && test -z "${MODULE__XXTESTFUZZ_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__XXTESTFUZZ\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__XXTESTFUZZ_TRUE}" && test -z "${MODULE__XXTESTFUZZ_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__XXTESTFUZZ\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_READLINE_TRUE}" && test -z "${MODULE_READLINE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_READLINE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_READLINE_TRUE}" && test -z "${MODULE_READLINE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_READLINE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SOCKET_TRUE}" && test -z "${MODULE__SOCKET_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SOCKET\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SSL_TRUE}" && test -z "${MODULE__SSL_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SSL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SSL_TRUE}" && test -z "${MODULE__SSL_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SSL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__HASHLIB_TRUE}" && test -z "${MODULE__HASHLIB_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__HASHLIB\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__HASHLIB_TRUE}" && test -z "${MODULE__HASHLIB_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__HASHLIB\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA256_TRUE}" && test -z "${MODULE__SHA256_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA256\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA256_TRUE}" && test -z "${MODULE__SHA256_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA256\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA512_TRUE}" && test -z "${MODULE__SHA512_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA512\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA512_TRUE}" && test -z "${MODULE__SHA512_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA512\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__MD5_TRUE}" && test -z "${MODULE__MD5_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MD5\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__MD5_TRUE}" && test -z "${MODULE__MD5_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MD5\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA1_TRUE}" && test -z "${MODULE__SHA1_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA1\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA1_TRUE}" && test -z "${MODULE__SHA1_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA1\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BLAKE2_TRUE}" && test -z "${MODULE__BLAKE2_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BLAKE2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BLAKE2_TRUE}" && test -z "${MODULE__BLAKE2_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BLAKE2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA3_TRUE}" && test -z "${MODULE__SHA3_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA3\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA3_TRUE}" && test -z "${MODULE__SHA3_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA3\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_TERMIOS_TRUE}" && test -z "${MODULE_TERMIOS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_TERMIOS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_TERMIOS_TRUE}" && test -z "${MODULE_TERMIOS_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_TERMIOS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_RESOURCE_TRUE}" && test -z "${MODULE_RESOURCE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_RESOURCE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_OSSAUDIODEV_TRUE}" && test -z "${MODULE_OSSAUDIODEV_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_OSSAUDIODEV\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_OSSAUDIODEV_TRUE}" && test -z "${MODULE_OSSAUDIODEV_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_OSSAUDIODEV\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SCPROXY_TRUE}" && test -z "${MODULE__SCPROXY_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SCPROXY\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SCPROXY_TRUE}" && test -z "${MODULE__SCPROXY_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SCPROXY\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_ZLIB_TRUE}" && test -z "${MODULE_ZLIB_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_ZLIB\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_ZLIB_TRUE}" && test -z "${MODULE_ZLIB_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_ZLIB\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_BINASCII_TRUE}" && test -z "${MODULE_BINASCII_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_BINASCII\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_BINASCII_TRUE}" && test -z "${MODULE_BINASCII_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_BINASCII\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BZ2_TRUE}" && test -z "${MODULE__BZ2_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BZ2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BZ2_TRUE}" && test -z "${MODULE__BZ2_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BZ2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__LZMA_TRUE}" && test -z "${MODULE__LZMA_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__LZMA\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__LZMA_TRUE}" && test -z "${MODULE__LZMA_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__LZMA\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_PYEXPAT_TRUE}" && test -z "${MODULE_PYEXPAT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_PYEXPAT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_PYEXPAT_TRUE}" && test -z "${MODULE_PYEXPAT_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_PYEXPAT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__ELEMENTTREE_TRUE}" && test -z "${MODULE__ELEMENTTREE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__ELEMENTTREE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__ELEMENTTREE_TRUE}" && test -z "${MODULE__ELEMENTTREE_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__ELEMENTTREE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__MULTIBYTECODEC_TRUE}" && test -z "${MODULE__MULTIBYTECODEC_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MULTIBYTECODEC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_KR_TRUE}" && test -z "${MODULE__CODECS_KR_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS_KR\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_JP_TRUE}" && test -z "${MODULE__CODECS_JP_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS_JP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_CN_TRUE}" && test -z "${MODULE__CODECS_CN_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS_CN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_TW_TRUE}" && test -z "${MODULE__CODECS_TW_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS_TW\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_HK_TRUE}" && test -z "${MODULE__CODECS_HK_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS_HK\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CODECS_ISO2022_TRUE}" && test -z "${MODULE__CODECS_ISO2022_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CODECS_ISO2022\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__DECIMAL_TRUE}" && test -z "${MODULE__DECIMAL_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__DECIMAL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__DECIMAL_TRUE}" && test -z "${MODULE__DECIMAL_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__DECIMAL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CTYPES_TEST_TRUE}" && test -z "${MODULE__CTYPES_TEST_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CTYPES_TEST\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__CTYPES_TEST_TRUE}" && test -z "${MODULE__CTYPES_TEST_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__CTYPES_TEST\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__MULTIPROCESSING_TRUE}" && test -z "${MODULE__MULTIPROCESSING_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MULTIPROCESSING\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__MULTIPROCESSING_TRUE}" && test -z "${MODULE__MULTIPROCESSING_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MULTIPROCESSING\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__POSIXSHMEM_TRUE}" && test -z "${MODULE__POSIXSHMEM_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__POSIXSHMEM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__POSIXSHMEM_TRUE}" && test -z "${MODULE__POSIXSHMEM_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__POSIXSHMEM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TKINTER_TRUE}" && test -z "${MODULE__TKINTER_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TKINTER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__TKINTER_TRUE}" && test -z "${MODULE__TKINTER_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TKINTER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__UUID_TRUE}" && test -z "${MODULE__UUID_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__UUID\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__UUID_TRUE}" && test -z "${MODULE__UUID_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__UUID\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_XXLIMITED_TRUE}" && test -z "${MODULE_XXLIMITED_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_XXLIMITED\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_XXLIMITED_TRUE}" && test -z "${MODULE_XXLIMITED_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_XXLIMITED\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_XXLIMITED_35_TRUE}" && test -z "${MODULE_XXLIMITED_35_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_XXLIMITED_35\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE_XXLIMITED_35_TRUE}" && test -z "${MODULE_XXLIMITED_35_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE_XXLIMITED_35\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
@@ -19903,6 +23113,7 @@ do
     "Misc/python.pc") CONFIG_FILES="$CONFIG_FILES Misc/python.pc" ;;
     "Misc/python-embed.pc") CONFIG_FILES="$CONFIG_FILES Misc/python-embed.pc" ;;
     "Misc/python-config.sh") CONFIG_FILES="$CONFIG_FILES Misc/python-config.sh" ;;
+    "Modules/Setup.stdlib") CONFIG_FILES="$CONFIG_FILES Modules/Setup.stdlib" ;;
     "Modules/ld_so_aix") CONFIG_FILES="$CONFIG_FILES Modules/ld_so_aix" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
diff --git a/configure.ac b/configure.ac
index f43030e481068e..a2b9d0db8fc911 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2148,7 +2148,7 @@ dnl assume C99 compilers provide ANSI C headers
 AC_DEFINE(STDC_HEADERS, 1, [Define to 1 if you have the ANSI C header files.])
 
 # checks for header files
-AC_CHECK_HEADERS(asm/types.h crypt.h conio.h direct.h dlfcn.h errno.h \
+AC_CHECK_HEADERS(asm/types.h conio.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
 ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
 sched.h shadow.h signal.h stropts.h termios.h \
@@ -2162,7 +2162,7 @@ sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
 libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
 linux/tipc.h linux/random.h spawn.h util.h alloca.h endian.h \
 sys/endian.h sys/sysmacros.h linux/memfd.h linux/wait.h sys/memfd.h \
-sys/mman.h sys/eventfd.h)
+sys/mman.h sys/eventfd.h linux/soundcard.h sys/soundcard.h)
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
 
@@ -2836,8 +2836,14 @@ AC_CHECK_LIB(sendfile, sendfile)
 AC_CHECK_LIB(dl, dlopen)	# Dynamic linking for SunOS/Solaris and SYSV
 AC_CHECK_LIB(dld, shl_load)	# Dynamic linking for HP-UX
 
-# checks for uuid.h location
-AC_CHECK_HEADERS([uuid/uuid.h uuid.h])
+# check for libuuid and uuid/uuid.h from util-linux
+AC_CHECK_HEADERS([uuid/uuid.h], [
+  save_LIBS=$LIBS
+  AC_CHECK_LIB([uuid], [uuid_generate_time])
+  UUID_CFLAGS=
+  UUID_LDLAGS=-luuid
+  LIBS=$save_LIBS
+])
 
 AC_CACHE_CHECK([for uuid_generate_time_safe], [ac_cv_lib_uuid_uuid_generate_time_safe], [
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <uuid/uuid.h>]], [[
@@ -2851,16 +2857,13 @@ AS_VAR_IF([ac_cv_lib_uuid_uuid_generate_time_safe], [yes], [
   AC_DEFINE(HAVE_UUID_GENERATE_TIME_SAFE, 1, [Define if uuid_generate_time_safe() exists.])
 ])
 
-# check for libuuid from util-linux
-save_LIBS=$LIBS
-AC_CHECK_LIB([uuid], [uuid_generate_time])
-LIBS=$save_LIBS
-
 # AIX provides support for RFC4122 (uuid) in libc.a starting with AIX 6.1 (anno 2007)
 # FreeBSD and OpenBSD provides support in libc as well.
 # Little-endian FreeBSD, OpenBSD and NetBSD needs encoding into an octet
 # stream in big-endian byte-order
-AC_CHECK_FUNCS([uuid_create uuid_enc_be])
+AC_CHECK_HEADERS([uuid.h],
+  [AC_CHECK_FUNCS([uuid_create uuid_enc_be])]
+)
 
 # 'Real Time' functions on Solaris
 # posix4 on Solaris 2.6
@@ -3284,22 +3287,27 @@ AC_CHECK_HEADERS([db.h], [
 AC_MSG_CHECKING(for --with-dbmliborder)
 AC_ARG_WITH(dbmliborder,
             AS_HELP_STRING([--with-dbmliborder=db1:db2:...], [override order to check db backends for dbm; a valid value is a colon separated string with the backend names `ndbm', `gdbm' and `bdb'.]),
-[
-if test x$with_dbmliborder = xyes
-then
-AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
+[], [with_dbmliborder=ndbm:gdbm:bdb])
+
+as_save_IFS=$IFS
+IFS=:
+dbmlibs=""
+for db in $with_dbmliborder; do
+    AS_CASE($db,
+      [ndbm], [dbmlibs="$dbmlibs ndbm"],
+      [gdbm], [dbmlibs="$dbmlibs gdbm_compat"],
+      [bdb], [dbmlibs="$dbmlibs db-5.3 db-5 db"],
+      [dbmlibs="failed"; break]
+    )
+done
+IFS=$as_save_IFS
+
+if test "$dbmlibs" = failed; then
+  AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
 else
-  as_save_IFS=$IFS
-  IFS=:
-  for db in $with_dbmliborder; do
-    if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
-    then
-      AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
-    fi
-  done
-  IFS=$as_save_IFS
-fi])
-AC_MSG_RESULT($with_dbmliborder)
+  AC_MSG_RESULT($with_dbmliborder (libs: $dbmlibs))
+fi
+
 
 # Templates for things AC_DEFINEd more than once.
 # For a single AC_DEFINE, no template is needed.
@@ -3812,7 +3820,7 @@ AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
  explicit_memset faccessat fchmod fchmodat fchown fchownat \
  fdwalk fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
  futimens futimes gai_strerror getentropy \
- getgrgid_r getgrnam_r \
+ getgrgid getgrgid_r getgrnam_r \
  getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getpwnam_r getpwuid_r getspnam getspent getsid getwd \
  if_nameindex \
@@ -4005,6 +4013,12 @@ AC_CHECK_HEADERS([zlib.h], [
   LIBS="$save_LIBS"
 ])
 
+dnl binascii has optional dependency on zlib
+AS_VAR_IF([ac_cv_lib_z_gzread], [yes], [
+  BINASCII_CFLAGS=-DUSE_ZLIB_CRC32
+  BINASCII_LDFLAGS=-lz
+])
+
 AC_CHECK_HEADERS([bzlib.h], [
   save_LIBS="$LIBS"
   AC_CHECK_LIB([bz2], [BZ2_bzCompress])
@@ -4071,25 +4085,16 @@ AC_CHECK_FUNCS(setpgrp,
     [])
 )
 
-# We search for both crypt and crypt_r as one or the other may be defined
-# This gets us our -lcrypt in LIBS when required on the target platform.
-# Save/restore LIBS to avoid linking libpython with libcrypt.
-LIBS_SAVE=$LIBS
-AC_SEARCH_LIBS(crypt_r, crypt)
-LIBS="$LIBS_SAVE"
-AC_SEARCH_LIBS(crypt, crypt)
-
-AC_CHECK_FUNC(crypt_r,
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-#include <crypt.h>
-]], [[
-struct crypt_data d;
-char *r = crypt_r("", "", &d);
-]])],
-    [AC_DEFINE(HAVE_CRYPT_R, 1, [Define if you have the crypt_r() function.])],
-    [])
-)
-LIBS=$LIBS_SAVE
+AC_CHECK_HEADERS([crypt.h], [
+  LIBS_SAVE=$LIBS
+  AC_SEARCH_LIBS([crypt], [crypt])
+  LIBS="$LIBS_SAVE"
+  AC_SEARCH_LIBS(
+    [crypt_r], [crypt],
+    [AC_DEFINE(HAVE_CRYPT_R, 1, [Define if you have the crypt_r() function.])]
+  )
+  LIBS=$LIBS_SAVE
+])
 
 AC_CHECK_FUNCS(clock_gettime, [], [
     AC_CHECK_LIB(rt, clock_gettime, [
@@ -5730,6 +5735,7 @@ AC_SEARCH_LIBS(shm_open, rt)
 if test "$ac_cv_search_shm_open" = "-lrt"; then
     AC_DEFINE(SHM_NEEDS_LIBRT, 1,
               [Define to 1 if you must link with -lrt for shm_open().])
+    SHM_OPEN_LIB="-lrt"
 fi
 AC_CHECK_HEADERS(sys/mman.h)
 # temporarily override ac_includes_default for AC_CHECK_FUNCS below
@@ -5761,7 +5767,7 @@ AC_ARG_WITH(openssl-rpath,
     [],
     [with_openssl_rpath=no]
 )
-AS_CASE($with_openssl_rpath,
+AS_CASE([$with_openssl_rpath],
     [auto|yes],[OPENSSL_RPATH=auto],
     [no],[OPENSSL_RPATH=],
     [AS_IF(
@@ -5774,7 +5780,6 @@ AC_MSG_RESULT($OPENSSL_RPATH)
 AC_SUBST([OPENSSL_RPATH])
 
 # check if OpenSSL libraries work as expected
-AC_CACHE_CHECK([whether OpenSSL provides required APIs], [ac_cv_working_openssl], [
 save_LIBS="$LIBS"
 save_CFLAGS="$CFLAGS"
 save_LDFLAGS="$LDFLAGS"
@@ -5782,18 +5787,15 @@ LIBS="$LIBS $OPENSSL_LIBS"
 CFLAGS="$CFLAGS_NODIST $OPENSSL_INCLUDES"
 LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS"
 
+AC_CACHE_CHECK([whether OpenSSL provides required ssl module APIs], [ac_cv_working_openssl_ssl], [
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <openssl/opensslv.h>
-#include <openssl/evp.h>
 #include <openssl/ssl.h>
-
 #if OPENSSL_VERSION_NUMBER < 0x10101000L
-#error "OpenSSL >= 1.1.1 is required"
+  #error "OpenSSL >= 1.1.1 is required"
 #endif
-
 static void keylog_cb(const SSL *ssl, const char *line) {}
 ]], [[
-/* SSL APIs */
 SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
 SSL_CTX_set_keylog_callback(ctx, keylog_cb);
 SSL *ssl = SSL_new(ctx);
@@ -5801,20 +5803,30 @@ X509_VERIFY_PARAM *param = SSL_get0_param(ssl);
 X509_VERIFY_PARAM_set1_host(param, "python.org", 0);
 SSL_free(ssl);
 SSL_CTX_free(ctx);
+]]
+)], [ac_cv_working_openssl_ssl=yes], [ac_cv_working_openssl_ssl=no])
+])
 
-/* hashlib APIs */
+AC_CACHE_CHECK([whether OpenSSL provides required hashlib module APIs], [ac_cv_working_openssl_hashlib], [
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <openssl/opensslv.h>
+#include <openssl/evp.h>
+#if OPENSSL_VERSION_NUMBER < 0x10101000L
+#error "OpenSSL >= 1.1.1 is required"
+#endif
+]], [[
 OBJ_nid2sn(NID_md5);
 OBJ_nid2sn(NID_sha1);
 OBJ_nid2sn(NID_sha3_512);
 OBJ_nid2sn(NID_blake2b512);
 EVP_PBE_scrypt(NULL, 0, NULL, 0, 2, 8, 1, 0, NULL, 0);
-]])],
-  [ac_cv_working_openssl=yes],
-  [ac_cv_working_openssl=no])
+]]
+)], [ac_cv_working_openssl_hashlib=yes], [ac_cv_working_openssl_hashlib=no])
+])
+
 LIBS="$save_LIBS"
 CFLAGS="$save_CFLAGS"
 LDFLAGS="$save_LDFLAGS"
-])
 
 # ssl module default cipher suite string
 AH_TEMPLATE(PY_SSL_DEFAULT_CIPHERS,
@@ -5862,21 +5874,28 @@ AC_ARG_WITH(builtin-hashlib-hashes,
                            [builtin hash modules,
                             md5, sha1, sha256, sha512, sha3 (with shake), blake2]),
 [
-case "$withval" in
-    yes)
-        withval=$default_hashlib_hashes
-        ;;
-    no)
-        withval=""
-        ;;
-esac
-AC_MSG_RESULT($withval)
-AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$withval")
-],
-[
-AC_MSG_RESULT($default_hashlib_hashes);
-AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$default_hashlib_hashes")
-])
+  AS_CASE([$with_builtin_hashlib_hashes],
+    [yes], [with_builtin_hashlib_hashes=$default_hashlib_hashes],
+    [no], [with_builtin_hashlib_hashes=""]
+  )
+], [with_builtin_hashlib_hashes=$default_hashlib_hashes])
+
+AC_MSG_RESULT($with_builtin_hashlib_hashes)
+AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$with_builtin_hashlib_hashes")
+
+as_save_IFS=$IFS
+IFS=,
+for builtin_hash in $with_builtin_hashlib_hashes; do
+    AS_CASE($builtin_hash,
+      [md5], [with_builtin_md5=yes],
+      [sha1], [with_builtin_sha1=yes],
+      [sha256], [with_builtin_sha256=yes],
+      [sha512], [with_builtin_sha512=yes],
+      [sha3], [with_builtin_sha3=yes],
+      [blake2], [with_builtin_blake2=yes]
+    )
+done
+IFS=$as_save_IFS
 
 # --with-experimental-isolated-subinterpreters
 AH_TEMPLATE(EXPERIMENTAL_ISOLATED_SUBINTERPRETERS,
@@ -5936,9 +5955,238 @@ else
 fi
 AC_SUBST(TEST_MODULES)
 
+dnl Modules that are not available on some platforms
+dnl AIX has shadow passwords, but access is not via getspent()
+dnl VxWorks does not provide crypt() function
+AS_CASE([$ac_sys_system],
+  [AIX], [py_stdlib_not_available="_scproxy spwd"],
+  [VxWorks*], [py_stdlib_not_available="_scproxy _crypt termios grp"],
+  [Darwin], [py_stdlib_not_available="ossaudiodev spwd"],
+  [CYGWIN*], [py_stdlib_not_available="_scproxy nis"],
+  [QNX*], [py_stdlib_not_available="_scproxy nis"],
+  [FreeBSD*], [py_stdlib_not_available="_scproxy spwd"],
+  [py_stdlib_not_available="_scproxy"]
+)
+
+MODULE_BLOCK=
+
+# _MODULE_BLOCK_ADD([VAR], [VALUE])
+# internal: adds $1=quote($2) to MODULE_BLOCK
+AC_DEFUN([_MODULE_BLOCK_ADD], [AS_VAR_APPEND([MODULE_BLOCK], ["$1=_AS_QUOTE([$2])$as_nl"])])
+
+dnl Check for stdlib extension modules
+dnl PY_STDLIB_MOD([NAME], [ENABLED-TEST], [SUPPORTED-TEST], [CFLAGS], [LDFLAGS])
+dnl sets MODULE_$NAME based on $py_stdlib_not_available, ENABLED-TEST,
+dnl and SUPPORTED_TEST:
+dnl    n/a: $NAME in $py_stdlib_not_available (not available on platform)
+dnl    yes: enabled and supported
+dnl    missing: enabled and not supported
+dnl    disabled: not enabled
+AC_DEFUN([PY_STDLIB_MOD], [
+  AC_MSG_CHECKING([for stdlib extension module $1])
+  m4_pushdef([modcond], [MODULE_]m4_toupper([$1]))dnl
+  m4_pushdef([modstate], [py_cv_module_$1])dnl
+  AS_CASE([$py_stdlib_not_available],
+    [*$1*], [modstate=n/a],
+    [AS_IF([$2], [AS_IF([$3], [modstate=yes], [modstate=missing])], [modstate=disabled])
+    ])
+  _MODULE_BLOCK_ADD(modcond, [$modstate])
+  AS_VAR_IF([modstate], [yes], [
+    _MODULE_BLOCK_ADD([MODULE_]m4_toupper([$1])[_CFLAGS], [$4])
+    _MODULE_BLOCK_ADD([MODULE_]m4_toupper([$1])[_LDFLAGS], [$5])
+    AM_CONDITIONAL(modcond, [true])
+  ], [
+    AM_CONDITIONAL(modcond, [false])
+  ])
+  AC_MSG_RESULT([$modstate])
+  m4_popdef([modcond])dnl
+  m4_popdef([modstate])dnl
+])
+
+# Define simple, always enabled stdlib extension module
+# PY_STDLIB_MOD_SIMPLE([NAME], [LDFLAGS])
+AC_DEFUN([PY_STDLIB_MOD_SIMPLE], [
+  m4_pushdef([modcond], [MODULE_]m4_toupper([$1]))dnl
+  _MODULE_BLOCK_ADD(modcond, [yes])
+  AM_CONDITIONAL(modcond, [true])
+  m4_ifval([$2], [
+    _MODULE_BLOCK_ADD([MODULE_]m4_toupper([$1])[_LDFLAGS], [$2])
+  ])
+  m4_popdef([modcond])dnl
+])
+AU_ALIAS([PY_STDLIB_MOD_STATIC], [PY_STDLIB_MOD_SIMPLE])
+
+# reuses autoconf check values (ac_cv_*):
+# * ac_cv_func and ac_cv_header values are set to "yes" when function or header exists
+# * ac_cv_search values are set to "none required" or "-lsomelib" when function exists
+dnl Modules/Setup
+PY_STDLIB_MOD_STATIC([_collections])
+PY_STDLIB_MOD_STATIC([_abc])
+PY_STDLIB_MOD_STATIC([_codecs])
+PY_STDLIB_MOD_STATIC([_functools])
+PY_STDLIB_MOD_STATIC([_io])
+PY_STDLIB_MOD_STATIC([_locale])
+PY_STDLIB_MOD_STATIC([_operator])
+PY_STDLIB_MOD_STATIC([_signal])
+PY_STDLIB_MOD_STATIC([_sre])
+PY_STDLIB_MOD_STATIC([_stat])
+PY_STDLIB_MOD_STATIC([_symtable])
+PY_STDLIB_MOD_STATIC([_thread])
+PY_STDLIB_MOD_STATIC([_tracemalloc])
+PY_STDLIB_MOD_STATIC([_weakref])
+PY_STDLIB_MOD_STATIC([atexit])
+PY_STDLIB_MOD_STATIC([errno])
+PY_STDLIB_MOD_STATIC([faulthandler])
+PY_STDLIB_MOD_STATIC([itertools])
+PY_STDLIB_MOD_STATIC([posix])
+PY_STDLIB_MOD_STATIC([pwd])
+PY_STDLIB_MOD_STATIC([time])
+
+dnl same order as setup.py
+PY_STDLIB_MOD_SIMPLE([_struct])
+PY_STDLIB_MOD_SIMPLE([array])
+PY_STDLIB_MOD_SIMPLE([_contextvars])
+PY_STDLIB_MOD_SIMPLE([math], [-lm])
+PY_STDLIB_MOD_SIMPLE([cmath], [-lm])
+PY_STDLIB_MOD_SIMPLE([time], [$TIMEMODULE_LIB])
+PY_STDLIB_MOD_SIMPLE([_datetime], [$TIMEMODULE_LIB])
+PY_STDLIB_MOD_SIMPLE([_zoneinfo])
+PY_STDLIB_MOD_SIMPLE([_random])
+PY_STDLIB_MOD_SIMPLE([_bisect])
+PY_STDLIB_MOD_SIMPLE([_heapq])
+PY_STDLIB_MOD_SIMPLE([_pickle])
+PY_STDLIB_MOD_SIMPLE([_json])
+PY_STDLIB_MOD_SIMPLE([_lsprof])
+PY_STDLIB_MOD_SIMPLE([unicodedata])
+PY_STDLIB_MOD_SIMPLE([_opcode])
+PY_STDLIB_MOD_SIMPLE([_asyncio])
+PY_STDLIB_MOD_SIMPLE([_abc])
+PY_STDLIB_MOD_SIMPLE([_queue])
+PY_STDLIB_MOD_SIMPLE([_statistics])
+PY_STDLIB_MOD_SIMPLE([_typing])
+PY_STDLIB_MOD_SIMPLE([fcntl])
+PY_STDLIB_MOD_SIMPLE([pwd])
+PY_STDLIB_MOD([grp], [true], [test "$ac_cv_func_getgrgid" = yes -o "$ac_cv_func_getgrgid_r" = yes])
+PY_STDLIB_MOD([spwd], [true], [test "$ac_cv_func_getspent" = yes])
+PY_STDLIB_MOD_SIMPLE([select])
+PY_STDLIB_MOD_SIMPLE([mmap])
+PY_STDLIB_MOD_SIMPLE([syslog])
+PY_STDLIB_MOD([_xxsubinterpreters], [test "$with_experimental_isolated_subinterpreters" = yes], [true])
+PY_STDLIB_MOD_SIMPLE([audioop])
+PY_STDLIB_MOD_SIMPLE([_csv])
+PY_STDLIB_MOD_SIMPLE([_posixsubprocess])
+PY_STDLIB_MOD([_testcapi], [test "$TEST_MODULES" = yes], [true])
+PY_STDLIB_MOD([_testinternalcapi], [test "$TEST_MODULES" = yes], [true])
+PY_STDLIB_MOD([_testbuffer], [test "$TEST_MODULES" = yes], [true])
+PY_STDLIB_MOD([_testimportmultiple], [test "$TEST_MODULES" = yes], [true])
+PY_STDLIB_MOD([_testmultiphase], [test "$TEST_MODULES" = yes], [true])
+PY_STDLIB_MOD([_xxtestfuzz], [test "$TEST_MODULES" = yes], [true])
+PY_STDLIB_MOD([readline], [true], [test "$py_cv_lib_readline" = yes], [], [$READLINE_LIBS])
+# TODO: detect curses
+#PY_STDLIB_MOD([_curses], [true], [true], [], [-lncurses -lncursesw -ltermcap])
+#PY_STDLIB_MOD([_curses_panel], [true], [true], [], [-lpanel -lncurses])
+# TODO detect presence of libcrypt
+#PY_STDLIB_MOD([_crypt],
+#  [test "$ac_sys_system" != VxWorks],
+#  [test "$ac_cv_search_crypt_r" != no -o "$ac_cv_search_crypt" != no],
+#  [], [-lcrypt])
+PY_STDLIB_MOD_SIMPLE([_socket])
+# TODO: add OPENSSL_RPATH
+PY_STDLIB_MOD([_ssl],
+  [true],
+  [test "$ac_cv_working_openssl_ssl" = yes],
+  [$OPENSSL_INCLUDES], [$OPENSSL_LIBS $OPENSSL_LDFLAGS])
+PY_STDLIB_MOD([_hashlib],
+  [true],
+  [test "$ac_cv_working_openssl_ssl" = yes],
+  [$OPENSSL_INCLUDES], [$OPENSSL_LIBS $OPENSSL_LDFLAGS])
+PY_STDLIB_MOD([_sha256], [test "$with_builtin_sha256" = yes], [true])
+PY_STDLIB_MOD([_sha512], [test "$with_builtin_sha512" = yes], [true])
+PY_STDLIB_MOD([_md5], [test "$with_builtin_md5" = yes], [true])
+PY_STDLIB_MOD([_sha1], [test "$with_builtin_sha1" = yes], [true])
+PY_STDLIB_MOD([_blake2], [test "$with_builtin_blake2" = yes], [true])
+PY_STDLIB_MOD([_sha3], [test "$with_builtin_sha3" = yes], [true])
+# TODO: select dbm library
+#PY_STDLIB_MOD([_dbm], [true], [true], [-DUSE_GDBM_COMPAT], [-lgdbm_compat])
+# TODO: only build gdbm when it is listed on libdbmorder
+#PY_STDLIB_MOD([_gdbm],
+#  [true],
+#  [test "$ac_cv_lib_gdbm_gdbm_open" = yes],
+#  [$GDBM_CFLAGS], [$GDBM_LDFLAGS])
+# TODO: detect sqlite
+#PY_STDLIB_MOD([_sqlite3], [true], [true], [], [-lsqlite3])
+PY_STDLIB_MOD([termios], [test "$ac_sys_system" != VxWorks], [true])
+PY_STDLIB_MOD_SIMPLE([resource])
+PY_STDLIB_MOD([ossaudiodev],
+  [true],
+  [test "$ac_cv_header_linux_soundcard_h" = yes -o "$ac_cv_header_sys_soundcard_h" = yes])
+PY_STDLIB_MOD([_scproxy],
+  [test "$ac_sys_system" = "Darwin"],
+  [true],
+  [], [-framework SystemConfiguration -framework CoreFoundation])
+# TODO: detect nsl and tirpc
+#PY_STDLIB_MOD([nis], [true], [true], [-I/usr/include/tirpc], [-lnsl -ltirpc])
+PY_STDLIB_MOD([zlib],
+  [true],
+  [test "$ac_cv_header_zlib_h" = yes -a "$ac_cv_lib_z_gzread" = yes],
+  [], [-lz])
+PY_STDLIB_MOD([binascii], [true], [true], [$BINASCII_CFLAGS], [$BINASCII_LDFLAGS])
+PY_STDLIB_MOD([_bz2],
+  [true],
+  [test "$ac_cv_header_bzlib_h" = yes -a "$ac_cv_lib_bz2_BZ2_bzCompress" = yes],
+  [], [-lbz2])
+PY_STDLIB_MOD([_lzma],
+  [true],
+  [test "$ac_cv_header_lzma_h" = yes -a "$ac_cv_lib_lzma_lzma_easy_encoder" = yes],
+  [], [-llzma])
+dnl _elementtree loads libexpat via CAPI hook in pyexpat
+PY_STDLIB_MOD([pyexpat], [true], [true], [$LIBEXPAT_CFLAGS], [$LIBEXPAT_LDFLAGS])
+PY_STDLIB_MOD([_elementtree], [true], [true], [$LIBEXPAT_CFLAGS], [])
+PY_STDLIB_MOD_SIMPLE([_multibytecodec])
+PY_STDLIB_MOD_SIMPLE([_codecs_kr])
+PY_STDLIB_MOD_SIMPLE([_codecs_jp])
+PY_STDLIB_MOD_SIMPLE([_codecs_cn])
+PY_STDLIB_MOD_SIMPLE([_codecs_tw])
+PY_STDLIB_MOD_SIMPLE([_codecs_hk])
+PY_STDLIB_MOD_SIMPLE([_codecs_iso2022])
+PY_STDLIB_MOD([_decimal],
+  [true], [true],
+  [$LIBMPDEC_CFLAGS], [$LIBMPDEC_LDFLAGS])
+# TODO: handle ffi dependency
+#PY_STDLIB_MOD([_ctypes],
+#  [true], [true],
+#  [-DHAVE_FFI_PREP_CIF_VAR -DHAVE_FFI_PREP_CLOSURE_LOC -DHAVE_FFI_CLOSURE_ALLOC],
+#  [-ldl -lffi])
+PY_STDLIB_MOD([_ctypes_test], [test "$TEST_MODULES" = yes], [true], [], [-lm])
+# TODO: include _multiprocessing/semaphore.c conditional
+PY_STDLIB_MOD([_multiprocessing],
+  [true], [true],
+  [-I\$(srcdir)/Modules/_multiprocessing], [$SHM_OPEN_LIB])
+dnl shm_open() requires -lrt on some platforms
+PY_STDLIB_MOD([_posixshmem],
+  [true],
+  [test "$ac_cv_func_shm_open" = yes -a "$ac_cv_func_shm_unlink" = yes],
+  [-I\$(srcdir)/Modules/_multiprocessing], [$SHM_OPEN_LIB])
+dnl TODO: check for libX11 and libBLT
+PY_STDLIB_MOD([_tkinter],
+  [true],
+  [test -n "$TCLTK_LIBS"],
+  [-DWITH_APPINIT=1], [$TCLTK_LIBS])
+PY_STDLIB_MOD([_uuid],
+  [true],
+  [test "$ac_cv_lib_uuid_uuid_generate_time" = yes -o "$ac_cv_func_uuid_create" = yes],
+  [$UUID_CFLAGS], [$UUID_LDLAGS])
+dnl PY_STDLIB_MOD_SIMPLE([xx])
+dnl The limited C API is not compatible with the Py_TRACE_REFS macro.
+PY_STDLIB_MOD([xxlimited], [test "$with_trace_refs" != "yes"], [true])
+PY_STDLIB_MOD([xxlimited_35], [test "$with_trace_refs" != "yes"], [true])
+
+# substitute multiline block, must come after last PY_STDLIB_MOD()
+AC_SUBST([MODULE_BLOCK])
 
 # generate output files
 AC_CONFIG_FILES(Makefile.pre Misc/python.pc Misc/python-embed.pc Misc/python-config.sh)
+AC_CONFIG_FILES([Modules/Setup.stdlib])
 AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix])
 AC_OUTPUT
 
diff --git a/pyconfig.h.in b/pyconfig.h.in
index cbab59b739f31c..a2d6f852b1b2f7 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -441,6 +441,9 @@
 /* Define to 1 if you have the `getentropy' function. */
 #undef HAVE_GETENTROPY
 
+/* Define to 1 if you have the `getgrgid' function. */
+#undef HAVE_GETGRGID
+
 /* Define to 1 if you have the `getgrgid_r' function. */
 #undef HAVE_GETGRGID_R
 
@@ -679,6 +682,9 @@
 /* Define to 1 if you have the <linux/random.h> header file. */
 #undef HAVE_LINUX_RANDOM_H
 
+/* Define to 1 if you have the <linux/soundcard.h> header file. */
+#undef HAVE_LINUX_SOUNDCARD_H
+
 /* Define to 1 if you have the <linux/tipc.h> header file. */
 #undef HAVE_LINUX_TIPC_H
 
@@ -1217,6 +1223,9 @@
 /* Define to 1 if you have the <sys/socket.h> header file. */
 #undef HAVE_SYS_SOCKET_H
 
+/* Define to 1 if you have the <sys/soundcard.h> header file. */
+#undef HAVE_SYS_SOUNDCARD_H
+
 /* Define to 1 if you have the <sys/statvfs.h> header file. */
 #undef HAVE_SYS_STATVFS_H
 
diff --git a/setup.py b/setup.py
index 915169e68630de..afb77ab4aa28a4 100644
--- a/setup.py
+++ b/setup.py
@@ -364,57 +364,6 @@ def find_module_file(module, dirlist):
     return os.path.abspath(os.path.join(dirs[0], module))
 
 
-def parse_cflags(flags):
-    """Parse a string with compiler flags (-I, -D, -U, extra)
-    
-    Distutils appends extra args to the compiler arguments. Some flags like
-    -I must appear earlier. Otherwise the pre-processor picks up files
-    from system inclue directories.
-    """
-    include_dirs = []
-    define_macros = []
-    undef_macros = []
-    extra_compile_args = []
-    if flags is not None:
-        # shlex.split(None) reads from stdin
-        for token in shlex.split(flags):
-            switch = token[0:2]
-            value = token[2:]
-            if switch == '-I':
-                include_dirs.append(value)
-            elif switch == '-D':
-                key, _, val = value.partition("=")
-                if not val:
-                    val = None
-                define_macros.append((key, val))
-            elif switch == '-U':
-                undef_macros.append(value)
-            else:
-                extra_compile_args.append(token)
-
-    return include_dirs, define_macros, undef_macros, extra_compile_args
-
-
-def parse_ldflags(flags):
-    """Parse a string with linker flags (-L, -l, extra)"""
-    library_dirs = []
-    libraries = []
-    extra_link_args = []
-    if flags is not None:
-        # shlex.split(None) reads from stdin
-        for token in shlex.split(flags):
-            switch = token[0:2]
-            value = token[2:]
-            if switch == '-L':
-                library_dirs.append(value)
-            elif switch == '-l':
-                libraries.append(value)
-            else:
-                extra_link_args.append(token)
-
-    return library_dirs, libraries, extra_link_args
-
-
 class PyBuildExt(build_ext):
 
     def __init__(self, dist):
@@ -430,8 +379,22 @@ def __init__(self, dist):
         if '-j' in os.environ.get('MAKEFLAGS', ''):
             self.parallel = True
 
-    def add(self, ext):
-        self.extensions.append(ext)
+    def add(self, ext, *, update_flags=True):
+        state = sysconfig.get_config_var(f"MODULE_{ext.name.upper()}")
+        if state == "yes":
+            if update_flags:
+                self.update_extension_flags(ext)
+            self.extensions.append(ext)
+        elif state == "disabled":
+            self.disabled_configure.append(ext.name)
+        elif state == "missing":
+            self.missing.append(ext.name)
+        elif state == "n/a":
+            # not available on current platform
+            pass
+        else:
+            # not migrated yet.
+            self.extensions.append(ext)
 
     def set_srcdir(self):
         self.srcdir = sysconfig.get_config_var('srcdir')
@@ -476,19 +439,72 @@ def update_sources_depends(self):
         for ext in self.extensions:
             ext.sources = [ find_module_file(filename, moddirlist)
                             for filename in ext.sources ]
-            # Update dependencies from Makefile
-            makedeps = sysconfig.get_config_var(f"MODULE_{ext.name.upper()}_DEPS")
-            if makedeps:
+            if ext.depends is not None:
+                ext.depends = [find_module_file(filename, moddirlist)
+                               for filename in ext.depends]
+            else:
+                ext.depends = []
+            # Update dependencies from Makefile, file path have correct prefix
+            deps = sysconfig.get_config_var(f"MODULE_{ext.name.upper()}_DEPS")
+            if deps:
                 # remove backslashes from line break continuations
-                ext.depends.extend(
-                    dep for dep in makedeps.split() if dep != "\\"
-                )
-            ext.depends = [
-                find_module_file(filename, moddirlist) for filename in ext.depends
-            ]
+                deps = deps.replace("\\ ", " ")
+                ext.depends.extend(shlex.split(deps))
             # re-compile extensions if a header file has been changed
             ext.depends.extend(headers)
 
+    def is_extension_enabled(self, ext):
+        upper_name = ext.name.upper()
+        return sysconfig.get_config_var(f"MODULE_{upper_name}") == 1
+
+    def update_extension_flags(self, ext):
+        """Update extension flags with module CFLAGS and LDFLAGS
+
+        Reads MODULE_{name}_CFLAGS and _LDFLAGS
+
+        Distutils appends extra args to the compiler arguments. Some flags like
+        -I must appear earlier, otherwise the pre-processor picks up files
+        from system inclue directories.
+        """
+        upper_name = ext.name.upper()
+        # Parse compiler flags (-I, -D, -U, extra args)
+        cflags = sysconfig.get_config_var(f"MODULE_{upper_name}_CFLAGS")
+        if cflags:
+            for token in shlex.split(cflags):
+                switch = token[0:2]
+                value = token[2:]
+                if switch == '-I':
+                    ext.include_dirs.append(value)
+                elif switch == '-D':
+                    key, _, val = value.partition("=")
+                    if not val:
+                        val = None
+                    ext.define_macros.append((key, val))
+                elif switch == '-U':
+                    ext.undef_macros.append(value)
+                else:
+                    ext.extra_compile_args.append(token)
+
+        # Parse linker flags (-L, -l, extra objects, extra args)
+        ldflags = sysconfig.get_config_var(f"MODULE_{upper_name}_LDFLAGS")
+        if ldflags:
+            for token in shlex.split(ldflags):
+                switch = token[0:2]
+                value = token[2:]
+                if switch == '-L':
+                    ext.library_dirs.append(value)
+                elif switch == '-l':
+                    ext.libraries.append(value)
+                elif (
+                    not token.startswith('-') and
+                    token.endswith(('.a', '.o', '.so', '.sl', '.dylib'))
+                ):
+                    ext.extra_objects.append(token)
+                else:
+                    ext.extra_link_args.append(token)
+
+        return ext
+
     def handle_configured_extensions(self):
         # The sysconfig variables built by makesetup that list the already
         # built modules and the disabled modules as configured by the Setup
@@ -1040,16 +1056,9 @@ def detect_simple_extensions(self):
         # pwd(3)
         self.add(Extension('pwd', ['pwdmodule.c']))
         # grp(3)
-        if not VXWORKS:
-            self.add(Extension('grp', ['grpmodule.c']))
+        self.add(Extension('grp', ['grpmodule.c']))
         # spwd, shadow passwords
-        if (self.config_h_vars.get('HAVE_GETSPNAM', False) or
-                self.config_h_vars.get('HAVE_GETSPENT', False)):
-            self.add(Extension('spwd', ['spwdmodule.c']))
-        # AIX has shadow passwords, but access is not via getspent(), etc.
-        # module support is not expected so it not 'missing'
-        elif not AIX:
-            self.missing.append('spwd')
+        self.add(Extension('spwd', ['spwdmodule.c']))
 
         # select(2); not on ancient System V
         self.add(Extension('select', ['selectmodule.c']))
@@ -1458,62 +1467,28 @@ def detect_sqlite(self):
             self.missing.append('_sqlite3')
 
     def detect_platform_specific_exts(self):
-        # Unix-only modules
-        if not MS_WINDOWS:
-            if not VXWORKS:
-                # Steen Lumholt's termios module
-                self.add(Extension('termios', ['termios.c']))
-                # Jeremy Hylton's rlimit interface
-            self.add(Extension('resource', ['resource.c']))
-        else:
-            self.missing.extend(['resource', 'termios'])
-
-        # Platform-specific libraries
-        if HOST_PLATFORM.startswith(('linux', 'freebsd', 'gnukfreebsd')):
-            self.add(Extension('ossaudiodev', ['ossaudiodev.c']))
-        elif not AIX:
-            self.missing.append('ossaudiodev')
-
-        if MACOS:
-            self.add(Extension('_scproxy', ['_scproxy.c'],
-                               extra_link_args=[
-                                   '-framework', 'SystemConfiguration',
-                                   '-framework', 'CoreFoundation']))
+        # Steen Lumholt's termios module
+        self.add(Extension('termios', ['termios.c']))
+        # Jeremy Hylton's rlimit interface
+        self.add(Extension('resource', ['resource.c']))
+        # needs sys/soundcard.h
+        self.add(Extension('ossaudiodev', ['ossaudiodev.c']))
+        # macOS-only
+        self.add(Extension('_scproxy', ['_scproxy.c']))
 
     def detect_compress_exts(self):
         # Andrew Kuchling's zlib module.
-        have_zlib = sysconfig.get_config_var("HAVE_LIBZ")
-        if have_zlib:
-            self.add(Extension('zlib', ['zlibmodule.c'],
-                                libraries=['z']))
-        else:
-            self.missing.append('zlib')
+        self.add(Extension('zlib', ['zlibmodule.c']))
 
         # Helper module for various ascii-encoders.  Uses zlib for an optimized
         # crc32 if we have it.  Otherwise binascii uses its own.
-        if have_zlib:
-            define_macros = [('USE_ZLIB_CRC32', None)]
-            libraries = ['z']
-        else:
-            define_macros = None
-            libraries = []
-        self.add(Extension('binascii', ['binascii.c'],
-                           define_macros=define_macros,
-                           libraries=libraries))
+        self.add(Extension('binascii', ['binascii.c']))
 
         # Gustavo Niemeyer's bz2 module.
-        if sysconfig.get_config_var("HAVE_LIBBZ2"):
-            self.add(Extension('_bz2', ['_bz2module.c'],
-                               libraries=['bz2']))
-        else:
-            self.missing.append('_bz2')
+        self.add(Extension('_bz2', ['_bz2module.c']))
 
         # LZMA compression support.
-        if sysconfig.get_config_var("HAVE_LIBLZMA"):
-            self.add(Extension('_lzma', ['_lzmamodule.c'],
-                               libraries=['lzma']))
-        else:
-            self.missing.append('_lzma')
+        self.add(Extension('_lzma', ['_lzmamodule.c']))
 
     def detect_expat_elementtree(self):
         # Interface to the Expat XML parser
@@ -1527,31 +1502,12 @@ def detect_expat_elementtree(self):
         #
         # More information on Expat can be found at www.libexpat.org.
         #
-        cflags = parse_cflags(sysconfig.get_config_var("EXPAT_CFLAGS"))
-        include_dirs, define_macros, undef_macros, extra_compile_args = cflags
-        # ldflags includes either system libexpat or full path to
-        # our static libexpat.a.
-        ldflags = parse_ldflags(sysconfig.get_config_var("EXPAT_LDFLAGS"))
-        library_dirs, libraries, extra_link_args = ldflags
-
         self.add(Extension('pyexpat',
-                           include_dirs=include_dirs,
-                           define_macros=define_macros,
-                           undef_macros=undef_macros,
-                           extra_compile_args=extra_compile_args,
-                           library_dirs=library_dirs,
-                           libraries=libraries,
-                           extra_link_args=extra_link_args,
                            sources=['pyexpat.c']))
 
         # Fredrik Lundh's cElementTree module.  Note that this also
         # uses expat (via the CAPI hook in pyexpat).
         self.add(Extension('_elementtree',
-                           include_dirs=include_dirs,
-                           define_macros=define_macros,
-                           undef_macros=undef_macros,
-                           extra_compile_args=extra_compile_args,
-                           # no EXPAT_LDFLAGS
                            sources=['_elementtree.c']))
 
     def detect_multibytecodecs(self):
@@ -1575,42 +1531,18 @@ def detect_multiprocessing(self):
         self.add(Extension('_multiprocessing', multiprocessing_srcs,
                            include_dirs=["Modules/_multiprocessing"]))
 
-        if (not MS_WINDOWS and
-           sysconfig.get_config_var('HAVE_SHM_OPEN') and
-           sysconfig.get_config_var('HAVE_SHM_UNLINK')):
-            posixshmem_srcs = ['_multiprocessing/posixshmem.c']
-            libs = []
-            if sysconfig.get_config_var('SHM_NEEDS_LIBRT'):
-                # need to link with librt to get shm_open()
-                libs.append('rt')
-            self.add(Extension('_posixshmem', posixshmem_srcs,
-                               define_macros={},
-                               libraries=libs,
-                               include_dirs=["Modules/_multiprocessing"]))
-        else:
-            self.missing.append('_posixshmem')
+        self.add(Extension('_posixshmem', ['_multiprocessing/posixshmem.c']))
 
     def detect_uuid(self):
         # Build the _uuid module if possible
-        uuid_h = sysconfig.get_config_var("HAVE_UUID_H")
-        uuid_uuid_h = sysconfig.get_config_var("HAVE_UUID_UUID_H")
-        if uuid_h or uuid_uuid_h:
-            if sysconfig.get_config_var("HAVE_LIBUUID"):
-                uuid_libs = ["uuid"]
-            else:
-                uuid_libs = []
-            self.add(Extension('_uuid', ['_uuidmodule.c'],
-                               libraries=uuid_libs))
-        else:
-            self.missing.append('_uuid')
+        self.add(Extension('_uuid', ['_uuidmodule.c']))
 
     def detect_modules(self):
         self.configure_compiler()
         self.init_inc_lib_dirs()
 
         self.detect_simple_extensions()
-        if TEST_EXTENSIONS:
-            self.detect_test_extensions()
+        self.detect_test_extensions()
         self.detect_readline_curses()
         self.detect_crypt()
         self.detect_socket()
@@ -1989,11 +1921,8 @@ def detect_ctypes(self):
                         libraries=[],
                         sources=sources)
         self.add(ext)
-        if TEST_EXTENSIONS:
-            # function my_sqrt() needs libm for sqrt()
-            self.add(Extension('_ctypes_test',
-                               sources=['_ctypes/_ctypes_test.c'],
-                               libraries=['m']))
+        self.add(Extension('_ctypes_test',
+                            sources=['_ctypes/_ctypes_test.c']))
 
         ffi_inc = sysconfig.get_config_var("LIBFFI_INCLUDEDIR")
         ffi_lib = None
@@ -2048,24 +1977,12 @@ def detect_decimal(self):
         # Stefan Krah's _decimal module
         sources = ['_decimal/_decimal.c']
 
-        cflags = parse_cflags(sysconfig.get_config_var("DECIMAL_CFLAGS"))
-        include_dirs, define_macros, undef_macros, extra_compile_args = cflags
-        # ldflags includes either system libmpdec or full path to
-        # our static libmpdec.a.
-        ldflags = parse_ldflags(sysconfig.get_config_var("DECIMAL_LDFLAGS"))
-        library_dirs, libraries, extra_link_args = ldflags
-
+        define_macros = []
         # Uncomment for extra functionality:
         #define_macros.append(('EXTRA_FUNCTIONALITY', 1))
         self.add(Extension('_decimal',
-                           include_dirs=include_dirs,
-                           define_macros=define_macros,
-                           undef_macros=undef_macros,
-                           extra_compile_args=extra_compile_args,
-                           library_dirs=library_dirs,
-                           libraries=libraries,
-                           extra_link_args=extra_link_args,
-                           sources=sources))
+                           sources=sources,
+                           define_macros=define_macros))
 
     def detect_openssl_hashlib(self):
         # Detect SSL support for the socket module (via _ssl)
@@ -2091,14 +2008,6 @@ def split_var(name, sep):
             self.missing.extend(['_ssl', '_hashlib'])
             return None, None
 
-        # Find OpenSSL includes
-        ssl_incs = find_file(
-            'openssl/ssl.h', self.inc_dirs, openssl_includes
-        )
-        if ssl_incs is None:
-            self.missing.extend(['_ssl', '_hashlib'])
-            return None, None
-
         if openssl_rpath == 'auto':
             runtime_library_dirs = openssl_libdirs[:]
         elif not openssl_rpath:
@@ -2107,9 +2016,9 @@ def split_var(name, sep):
             runtime_library_dirs = [openssl_rpath]
 
         openssl_extension_kwargs = dict(
-            include_dirs=openssl_includes,
-            library_dirs=openssl_libdirs,
-            libraries=openssl_libs,
+            # include_dirs=openssl_includes,
+            # library_dirs=openssl_libdirs,
+            # libraries=openssl_libs,
             runtime_library_dirs=runtime_library_dirs,
         )
 

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