diff --git a/Misc/NEWS.d/next/Core and Builtins/2017-09-04-14-57-27.bpo-31343.Kl_fS5.rst b/Misc/NEWS.d/next/Core and Builtins/2017-09-04-14-57-27.bpo-31343.Kl_fS5.rst
@@ -0,0 +1,2 @@
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
@@ -65,6 +65,11 @@ corresponding Unix manual entries for more information on calls.");
#include "osdefs.h"
#endif

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */

diff --git a/aclocal.m4 b/aclocal.m4
@@ -12,9 +12,9 @@
# PARTICULAR PURPOSE.

m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
-dnl pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
-dnl serial 11 (pkg-config-0.29.1)
-dnl
dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
dnl
@@ -288,3 +288,71 @@ AS_VAR_COPY([$1], [pkg_cv_][$1])
AS_VAR_IF([$1], [""], [$5], [$4])dnl
])dnl PKG_CHECK_VAR

diff --git a/configure b/configure
@@ -2963,7 +2963,7 @@ $as_echo_n "checking for python interpreter for cross build... " >&6; }
	fi
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $interp" >&5
$as_echo "$interp" >&6; }
-	PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib _PYTHON_SYSCONFIGDATA_NAME=_sysconfigdata_$(ABIFLAGS)_$(MACHDEP)_$(MULTIARCH) '$interp
    fi
elif test "$cross_compiling" = maybe; then
    as_fn_error $? "Cross compiling required --host=HOST-TUPLE and --build=ARCH" "$LINENO" 5
@@ -6399,6 +6399,7 @@ if test "$Py_OPT" = 'true' ; then
  # compile working code using it and both test_distutils and test_gdb are
  # broken when you do managed to get a toolchain that works with it.  People
  # who want LTO need to use --with-lto themselves.
  DEF_MAKE_ALL_RULE="profile-opt"
  REQUIRE_PGO="yes"
  DEF_MAKE_RULE="build_all"
@@ -7045,7 +7046,7 @@ sys/param.h sys/poll.h sys/random.h sys/select.h sys/socket.h sys/statvfs.h sys/
sys/termio.h sys/time.h \
sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
-bluetooth/bluetooth.h linux/tipc.h spawn.h util.h alloca.h
do :
  as_ac_Header=`$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"

diff --git a/pyconfig.h.in b/pyconfig.h.in
@@ -799,6 +799,9 @@
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H

/* Define to 1 if you have the <sys/termio.h> header file. */
#undef HAVE_SYS_TERMIO_H