bpo-45847: Port _socket to PY_STDLIB_MOD (GH-29713)

Modules/Setup.stdlib.in

@@ -109,6 +109,7 @@
 @MODULE__POSIXSUBPROCESS_TRUE@_posixsubprocess _posixsubprocess.c
 @MODULE_RESOURCE_TRUE@resource resource.c
 @MODULE_SELECT_TRUE@select selectmodule.c
+@MODULE__SOCKET_TRUE@_socket socketmodule.c
 # AIX has shadow passwords, but does not provide getspent API
 @MODULE_SPWD_TRUE@spwd spwdmodule.c
 @MODULE_SYSLOG_TRUE@syslog syslogmodule.c

configure

@@ -724,6 +724,8 @@ MODULE__TYPING_FALSE
 MODULE__TYPING_TRUE
 MODULE__STRUCT_FALSE
 MODULE__STRUCT_TRUE
+MODULE__SOCKET_FALSE
+MODULE__SOCKET_TRUE
 MODULE_SELECT_FALSE
 MODULE_SELECT_TRUE
 MODULE__RANDOM_FALSE
@@ -20577,6 +20579,15 @@ else
 fi
   as_fn_append MODULE_BLOCK "MODULE_SELECT=yes$as_nl"
 
+     if true; then
+  MODULE__SOCKET_TRUE=
+  MODULE__SOCKET_FALSE='#'
+else
+  MODULE__SOCKET_TRUE='#'
+  MODULE__SOCKET_FALSE=
+fi
+  as_fn_append MODULE_BLOCK "MODULE__SOCKET=yes$as_nl"
+
      if true; then
   MODULE__STRUCT_TRUE=
   MODULE__STRUCT_FALSE='#'
@@ -22099,6 +22110,10 @@ if test -z "${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 "${MODULE__SOCKET_TRUE}" && test -z "${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 "${MODULE__STRUCT_TRUE}" && test -z "${MODULE__STRUCT_FALSE}"; then
   as_fn_error $? "conditional \"MODULE__STRUCT\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5

configure.ac

@@ -6137,6 +6137,7 @@ PY_STDLIB_MOD_SIMPLE([_posixsubprocess])
 PY_STDLIB_MOD_SIMPLE([_queue])
 PY_STDLIB_MOD_SIMPLE([_random])
 PY_STDLIB_MOD_SIMPLE([select])
+PY_STDLIB_MOD_SIMPLE([_socket])
 PY_STDLIB_MOD_SIMPLE([_struct])
 PY_STDLIB_MOD_SIMPLE([_typing])
 PY_STDLIB_MOD_SIMPLE([_xxsubinterpreters])

setup.py

@@ -1034,6 +1034,8 @@ def detect_simple_extensions(self):
         self.addext(Extension('fcntl', ['fcntlmodule.c']))
         # grp(3)
         self.addext(Extension('grp', ['grpmodule.c']))
+
+        self.addext(Extension('_socket', ['socketmodule.c']))
         self.addext(Extension('spwd', ['spwdmodule.c']))
 
         # select(2); not on ancient System V
@@ -1254,9 +1256,6 @@ def detect_crypt(self):
 
         self.add(Extension('_crypt', ['_cryptmodule.c'], libraries=libs))
 
-    def detect_socket(self):
-        self.add(Extension('_socket', ['socketmodule.c']))
-
     def detect_dbm_gdbm(self):
         # Modules that provide persistent dictionary-like semantics.  You will
         # probably want to arrange for at least one of them to be available on
@@ -1460,7 +1459,6 @@ def detect_modules(self):
         self.detect_test_extensions()
         self.detect_readline_curses()
         self.detect_crypt()
-        self.detect_socket()
         self.detect_openssl_hashlib()
         self.detect_hash_builtins()
         self.detect_dbm_gdbm()