Index: libc/misc/time/time.c =================================================================== --- a/libc/misc/time/time.c (revision 17534) +++ b/libc/misc/time/time.c (revision 17647) @@ -158,7 +158,9 @@ #endif #if defined (L_tzset) || defined (L_localtime_r) || defined(L_strftime) || \ - defined(L__time_mktime) || defined(L__time_mktime_tzi) + defined(L__time_mktime) || defined(L__time_mktime_tzi) || \ + ((defined(L_strftime) || defined(L_strftime_l)) && \ + defined(__UCLIBC_HAS_XLOCALE__)) void _time_tzset (int);