diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -225,17 +225,17 @@ error:
 
 static char*
 get_locale_encoding(void)
 {
 #ifdef MS_WINDOWS
     char codepage[100];
     PyOS_snprintf(codepage, sizeof(codepage), "cp%d", GetACP());
     return get_codec_name(codepage);
-#elif defined(HAVE_LANGINFO_H) && defined(CODESET)
+#elif defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO) && defined(CODESET)
     char* codeset = nl_langinfo(CODESET);
     if (!codeset || codeset[0] == '\0') {
         PyErr_SetString(PyExc_ValueError, "CODESET is not set or empty");
         return NULL;
     }
     return get_codec_name(codeset);
 #elif defined(__ANDROID__)
     return get_codec_name("UTF-8");
diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -3397,17 +3397,17 @@ fi
 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 \
  futimens futimes gai_strerror getentropy \
  getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \
  initgroups kill killpg lchmod lchown linkat lstat lutimes mmap \
  memrchr mbrtowc mkdirat mkfifo \
- mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
+ mkfifoat mknod mknodat mktime mremap nice nl_langinfo openat pathconf pause pipe2 plock poll \
  posix_fallocate posix_fadvise pread \
  pthread_init pthread_kill putenv pwrite readlink readlinkat readv realpath renameat \
  select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
  setgid sethostname \
  setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
  sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
  sched_rr_get_interval \
  sigaction sigaltstack siginterrupt sigpending sigrelse \
diff --git a/Python/fileutils.c b/Python/fileutils.c
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -55,17 +55,17 @@ PyObject *
     else if (fd == 1 || fd == 2)
         cp = GetConsoleOutputCP();
     else
         cp = 0;
     /* GetConsoleCP() and GetConsoleOutputCP() return 0 if the application
        has no console */
     if (cp != 0)
         return PyUnicode_FromFormat("cp%u", (unsigned int)cp);
-#elif defined(CODESET)
+#elif defined(HAVE_NL_LANGINFO) && defined(CODESET)
     {
         char *codeset = nl_langinfo(CODESET);
         if (codeset != NULL && codeset[0] != 0)
             return PyUnicode_FromString(codeset);
     }
 #endif
     Py_RETURN_NONE;
 }
@@ -129,17 +129,17 @@ check_force_ascii(void)
     loc = setlocale(LC_CTYPE, NULL);
     if (loc == NULL)
         goto error;
     if (strcmp(loc, "C") != 0) {
         /* the LC_CTYPE locale is different than C */
         return 0;
     }
 
-#if defined(HAVE_LANGINFO_H) && defined(CODESET)
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO) && defined(CODESET)
     codeset = nl_langinfo(CODESET);
     if (!codeset || codeset[0] == '\0') {
         /* CODESET is not set or empty */
         goto error;
     }
     if (!_Py_normalize_encoding(codeset, encoding, sizeof(encoding)))
         goto error;
 
diff --git a/Modules/_localemodule.c b/Modules/_localemodule.c
--- a/Modules/_localemodule.c
+++ b/Modules/_localemodule.c
@@ -313,17 +313,17 @@ PyLocale_getdefaultlocale(PyObject* self
     }
 
     /* cannot determine the language code (very unlikely) */
     Py_INCREF(Py_None);
     return Py_BuildValue("Os", Py_None, encoding);
 }
 #endif
 
-#ifdef HAVE_LANGINFO_H
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO)
 #define LANGINFO(X) {#X, X}
 static struct langinfo_constant{
     char* name;
     int value;
 } langinfo_constants[] =
 {
     /* These constants should exist on any langinfo implementation */
     LANGINFO(DAY_1),
@@ -446,17 +446,17 @@ PyLocale_nl_langinfo(PyObject* self, PyO
                instead of an empty string for nl_langinfo(ERA).  */
             const char *result = nl_langinfo(item);
             result = result != NULL ? result : "";
             return PyUnicode_DecodeLocale(result, NULL);
         }
     PyErr_SetString(PyExc_ValueError, "unsupported langinfo constant");
     return NULL;
 }
-#endif /* HAVE_LANGINFO_H */
+#endif /* defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO) */
 
 #ifdef HAVE_LIBINTL_H
 
 PyDoc_STRVAR(gettext__doc__,
 "gettext(msg) -> string\n"
 "Return translation of msg.");
 
 static PyObject*
@@ -578,17 +578,17 @@ static struct PyMethodDef PyLocale_Metho
 #endif
 #ifdef HAVE_WCSXFRM
   {"strxfrm", (PyCFunction) PyLocale_strxfrm,
    METH_VARARGS, strxfrm__doc__},
 #endif
 #if defined(MS_WINDOWS)
   {"_getdefaultlocale", (PyCFunction) PyLocale_getdefaultlocale, METH_NOARGS},
 #endif
-#ifdef HAVE_LANGINFO_H
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO)
   {"nl_langinfo", (PyCFunction) PyLocale_nl_langinfo,
    METH_VARARGS, nl_langinfo__doc__},
 #endif
 #ifdef HAVE_LIBINTL_H
   {"gettext",(PyCFunction)PyIntl_gettext,METH_VARARGS,
     gettext__doc__},
   {"dgettext",(PyCFunction)PyIntl_dgettext,METH_VARARGS,
    dgettext__doc__},
@@ -618,17 +618,17 @@ static struct PyModuleDef _localemodule 
     NULL,
     NULL
 };
 
 PyMODINIT_FUNC
 PyInit__locale(void)
 {
     PyObject *m;
-#ifdef HAVE_LANGINFO_H
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO)
     int i;
 #endif
 
     m = PyModule_Create(&_localemodule);
     if (m == NULL)
         return NULL;
 
     PyModule_AddIntMacro(m, LC_CTYPE);
@@ -646,17 +646,17 @@ PyInit__locale(void)
 
     Error = PyErr_NewException("locale.Error", NULL, NULL);
     if (Error == NULL) {
         Py_DECREF(m);
         return NULL;
     }
     PyModule_AddObject(m, "Error", Error);
 
-#ifdef HAVE_LANGINFO_H
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_NL_LANGINFO)
     for (i = 0; langinfo_constants[i].name; i++) {
         PyModule_AddIntConstant(m, langinfo_constants[i].name,
                                 langinfo_constants[i].value);
     }
 #endif
 
     if (PyErr_Occurred()) {
         Py_DECREF(m);
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -518,17 +518,17 @@ PyCursesWindow_New(WINDOW *win, const ch
 #if defined(MS_WINDOWS)
         char *buffer[100];
         UINT cp;
         cp = GetConsoleOutputCP();
         if (cp != 0) {
             PyOS_snprintf(buffer, sizeof(buffer), "cp%u", cp);
             encoding = buffer;
         }
-#elif defined(CODESET)
+#elif defined(HAVE_NL_LANGINFO) && defined(CODESET)
         const char *codeset = nl_langinfo(CODESET);
         if (codeset != NULL && codeset[0] != 0)
             encoding = codeset;
 #endif
         if (encoding == NULL)
             encoding = "utf-8";
     }