diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
index e1ddc137354..339a32416d8 100644
--- a/Modules/Setup.stdlib.in
+++ b/Modules/Setup.stdlib.in
@@ -40,6 +40,7 @@
 @MODULE__QUEUE_TRUE@_queue _queuemodule.c
 @MODULE__RANDOM_TRUE@_random _randommodule.c
 @MODULE__TYPING_TRUE@_typing _typingmodule.c
+@MODULE__XXSUBINTERPRETERS_TRUE@_xxsubinterpreters __xxsubinterpretersmodule.c
 @MODULE__ZONEINFO_TRUE@_zoneinfo _zoneinfo.c
 
 # needs libm
@@ -89,9 +90,11 @@
 
 @MODULE_FCNTL_TRUE@fcntl fcntlmodule.c
 @MODULE_GRP_TRUE@grp grpmodule.c
+@MODULE_MMAP_TRUE@mmap mmapmodule.c
 # needs sys/soundcard.h or linux/soundcard.h (Linux, FreeBSD)
 @MODULE_OSSAUDIODEV_TRUE@ossaudiodev ossaudiodev.c
 @MODULE_RESOURCE_TRUE@resource resource.c
+@MODULE_SELECT_TRUE@select selectmodule.c
 # AIX has shadow passwords, but does not provide getspent API
 @MODULE_SPWD_TRUE@spwd spwdmodule.c
 @MODULE_SYSLOG_TRUE@syslog syslogmodule.c
diff --git a/configure b/configure
index c725d0f92ce..f3c33614e4f 100755
--- a/configure
+++ b/configure
@@ -688,6 +688,8 @@ MODULE_OSSAUDIODEV_FALSE
 MODULE_OSSAUDIODEV_TRUE
 MODULE_GRP_FALSE
 MODULE_GRP_TRUE
+MODULE_MMAP_FALSE
+MODULE_MMAP_TRUE
 MODULE_FCNTL_FALSE
 MODULE_FCNTL_TRUE
 MODULE__DATETIME_FALSE
@@ -700,8 +702,12 @@ MODULE__STATISTICS_FALSE
 MODULE__STATISTICS_TRUE
 MODULE__ZONEINFO_FALSE
 MODULE__ZONEINFO_TRUE
+MODULE__XXSUBINTERPRETERS_FALSE
+MODULE__XXSUBINTERPRETERS_TRUE
 MODULE__TYPING_FALSE
 MODULE__TYPING_TRUE
+MODULE_SELECT_FALSE
+MODULE_SELECT_TRUE
 MODULE__RANDOM_FALSE
 MODULE__RANDOM_TRUE
 MODULE__QUEUE_FALSE
@@ -19687,6 +19693,15 @@ else
 fi
   as_fn_append MODULE_BLOCK "MODULE__RANDOM=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_SELECT=yes$as_nl"
+
      if true; then
   MODULE__TYPING_TRUE=
   MODULE__TYPING_FALSE='#'
@@ -19696,6 +19711,15 @@ else
 fi
   as_fn_append MODULE_BLOCK "MODULE__TYPING=yes$as_nl"
 
+     if true; then
+  MODULE__XXSUBINTERPRETERS_TRUE=
+  MODULE__XXSUBINTERPRETERS_FALSE='#'
+else
+  MODULE__XXSUBINTERPRETERS_TRUE='#'
+  MODULE__XXSUBINTERPRETERS_FALSE=
+fi
+  as_fn_append MODULE_BLOCK "MODULE__XXSUBINTERPRETERS=yes$as_nl"
+
      if true; then
   MODULE__ZONEINFO_TRUE=
   MODULE__ZONEINFO_FALSE='#'
@@ -19788,6 +19812,42 @@ fi
 $as_echo "$py_cv_module_fcntl" >&6; }
 
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module mmap" >&5
+$as_echo_n "checking for stdlib extension module mmap... " >&6; }
+      case $py_stdlib_not_available in #(
+  *mmap*) :
+    py_cv_module_mmap=n/a ;; #(
+  *) :
+    if true; then :
+  if test "$ac_cv_header_sys_mman_h" = "yes" -a "$ac_cv_header_sys_stat_h" = "yes"; then :
+  py_cv_module_mmap=yes
+else
+  py_cv_module_mmap=missing
+fi
+else
+  py_cv_module_mmap=disabled
+fi
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE_MMAP=$py_cv_module_mmap$as_nl"
+  if test "x$py_cv_module_mmap" = xyes; then :
+
+
+
+
+fi
+   if test "$py_cv_module_mmap" = yes; then
+  MODULE_MMAP_TRUE=
+  MODULE_MMAP_FALSE='#'
+else
+  MODULE_MMAP_TRUE='#'
+  MODULE_MMAP_FALSE=
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module_mmap" >&5
+$as_echo "$py_cv_module_mmap" >&6; }
+
+
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module grp" >&5
 $as_echo_n "checking for stdlib extension module grp... " >&6; }
@@ -20901,10 +20961,18 @@ if test -z "${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 "${MODULE_SELECT_TRUE}" && test -z "${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 "${MODULE__TYPING_TRUE}" && test -z "${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 "${MODULE__XXSUBINTERPRETERS_TRUE}" && test -z "${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 "${MODULE__ZONEINFO_TRUE}" && test -z "${MODULE__ZONEINFO_FALSE}"; then
   as_fn_error $? "conditional \"MODULE__ZONEINFO\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -20929,6 +20997,10 @@ 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 "${MODULE_MMAP_TRUE}" && test -z "${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 "${MODULE_GRP_TRUE}" && test -z "${MODULE_GRP_FALSE}"; then
   as_fn_error $? "conditional \"MODULE_GRP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/configure.ac b/configure.ac
index 25d210bf7eb..224a9b959d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6081,7 +6081,9 @@ PY_STDLIB_MOD_SIMPLE([_opcode])
 PY_STDLIB_MOD_SIMPLE([_pickle])
 PY_STDLIB_MOD_SIMPLE([_queue])
 PY_STDLIB_MOD_SIMPLE([_random])
+PY_STDLIB_MOD_SIMPLE([select])
 PY_STDLIB_MOD_SIMPLE([_typing])
+PY_STDLIB_MOD_SIMPLE([_xxsubinterpreters])
 PY_STDLIB_MOD_SIMPLE([_zoneinfo])
 
 dnl needs libm
@@ -6092,10 +6094,12 @@ PY_STDLIB_MOD_SIMPLE([math], [], [$LIBM])
 dnl needs libm and on some platforms librt
 PY_STDLIB_MOD_SIMPLE([_datetime], [], [$TIMEMODULE_LIB $LIBM])
 
-dnl needs libbsd on some platforms
+dnl modules with some unix dependencies
 PY_STDLIB_MOD([fcntl],
   [], [test "$ac_cv_header_sys_ioctl_h" = "yes" -a "$ac_cv_header_fcntl_h" = "yes"],
   [], [$FCNTL_LIBS])
+PY_STDLIB_MOD([mmap],
+  [], [test "$ac_cv_header_sys_mman_h" = "yes" -a "$ac_cv_header_sys_stat_h" = "yes"])
 
 dnl platform specific extensions
 PY_STDLIB_MOD([grp], [], [test "$ac_cv_func_getgrgid" = yes -o "$ac_cv_func_getgrgid_r" = yes])
diff --git a/setup.py b/setup.py
index 28fd6da383a..d4eff363d24 100644
--- a/setup.py
+++ b/setup.py
@@ -1036,17 +1036,17 @@ class PyBuildExt(build_ext):
         self.addext(Extension('spwd', ['spwdmodule.c']))
 
         # select(2); not on ancient System V
-        self.add(Extension('select', ['selectmodule.c']))
+        self.addext(Extension('select', ['selectmodule.c']))
 
         # Memory-mapped files (also works on Win32).
-        self.add(Extension('mmap', ['mmapmodule.c']))
+        self.addext(Extension('mmap', ['mmapmodule.c']))
 
         # Lance Ellinghaus's syslog module
         # syslog daemon interface
         self.addext(Extension('syslog', ['syslogmodule.c']))
 
         # Python interface to subinterpreter C-API.
-        self.add(Extension('_xxsubinterpreters', ['_xxsubinterpretersmodule.c']))
+        self.addext(Extension('_xxsubinterpreters', ['_xxsubinterpretersmodule.c']))
 
         #
         # Here ends the simple stuff.  From here on, modules need certain