--- a/gettext-runtime/intl/localename.c
+++ b/gettext-runtime/intl/localename.c
@@ -2779,7 +2779,7 @@ gl_locale_name_posix (int category, cons
 {
   /* Use the POSIX methods of looking to 'LC_ALL', 'LC_xxx', and 'LANG'.
      On some systems this can be done by the 'setlocale' function itself.  */
-#if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL
+#if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL && (!defined __UCLIBC__ || defined __UCLIBC_HAS_LOCALE__)
   return setlocale (category, NULL);
 #else
   /* On other systems we ignore what setlocale reports and instead look at the