diff -r 4b6e6a77e501 Modules/clinic/posixmodule.c.h
--- a/Modules/clinic/posixmodule.c.h	Sat Oct 22 03:21:55 2016 +0000
+++ b/Modules/clinic/posixmodule.c.h	Sat Oct 22 07:41:51 2016 +0200
@@ -222,6 +222,8 @@
 
 #endif /* defined(HAVE_CTERMID) */
 
+#if (defined(MS_WINDOWS) || defined(HAVE_CHDIR))
+
 PyDoc_STRVAR(os_chdir__doc__,
 "chdir($module, /, path)\n"
 "--\n"
@@ -259,6 +261,8 @@
     return return_value;
 }
 
+#endif /* (defined(MS_WINDOWS) || defined(HAVE_CHDIR)) */
+
 #if defined(HAVE_FCHDIR)
 
 PyDoc_STRVAR(os_fchdir__doc__,
@@ -5673,6 +5677,10 @@
     #define OS_CTERMID_METHODDEF
 #endif /* !defined(OS_CTERMID_METHODDEF) */
 
+#ifndef OS_CHDIR_METHODDEF
+    #define OS_CHDIR_METHODDEF
+#endif /* !defined(OS_CHDIR_METHODDEF) */
+
 #ifndef OS_FCHDIR_METHODDEF
     #define OS_FCHDIR_METHODDEF
 #endif /* !defined(OS_FCHDIR_METHODDEF) */
@@ -6148,4 +6156,4 @@
 #ifndef OS_GETRANDOM_METHODDEF
     #define OS_GETRANDOM_METHODDEF
 #endif /* !defined(OS_GETRANDOM_METHODDEF) */
-/*[clinic end generated code: output=b9ed5703d2feb0d9 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=b284af40e511200d input=a9049054013a1b77]*/
diff -r 4b6e6a77e501 Modules/posixmodule.c
--- a/Modules/posixmodule.c	Sat Oct 22 03:21:55 2016 +0000
+++ b/Modules/posixmodule.c	Sat Oct 22 07:41:51 2016 +0200
@@ -2608,6 +2608,7 @@
 #endif /* HAVE_CTERMID */
 
 
+#if defined(MS_WINDOWS) || defined(HAVE_CHDIR)
 /*[clinic input]
 os.chdir
 
@@ -2646,6 +2647,7 @@
 
     Py_RETURN_NONE;
 }
+#endif /* MS_WINDOWS || HAVE_CHDIR */
 
 
 #ifdef HAVE_FCHDIR
diff -r 4b6e6a77e501 configure.ac
--- a/configure.ac	Sat Oct 22 03:21:55 2016 +0000
+++ b/configure.ac	Sat Oct 22 07:41:51 2016 +0200
@@ -3402,9 +3402,9 @@
 fi
 
 # checks for library functions
-AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
- clock confstr ctermid dup3 execv faccessat fchmod fchmodat fchown fchownat \
- fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
+AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chdir \
+ chown clock confstr ctermid dup3 execv faccessat fchmod fchmodat fchown \
+ fchownat fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
  futimens futimes gai_strerror getentropy \
  getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \