(Fcurrent_time_zone): Add alternative for !HAVE_TM_ZONE.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/editfns.c b/src/editfns.c
index 69a045b8341..e8b2a08c79f 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -656,7 +656,12 @@ the data it can't find.")
 #ifdef HAVE_TM_ZONE
       if (t->tm_zone)
         s = t->tm_zone;
+#else /* not HAVE_TM_ZONE */
+#ifdef HAVE_TZNAME
+      if (t->tm_isdst == 0 || t->tm_isdst == 1)
+        s = tzname[t->tm_isdst];
 #endif
+#endif /* not HAVE_TM_ZONE */
       if (!s)
         {
           /* No local time zone name is available; use "+-NNNN" instead.  */