From 4b93ac1f7fc248622a13f2485c1dbc66080708b5 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Tue, 11 Dec 2007 15:01:31 +0000
Subject: 	* localtime.cc (tzset): Call tzsetwall only if it hasn't been 
 called before.

---
 winsup/cygwin/localtime.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'winsup/cygwin/localtime.cc')

diff --git a/winsup/cygwin/localtime.cc b/winsup/cygwin/localtime.cc
index 1dab62793..a2f415f08 100644
--- a/winsup/cygwin/localtime.cc
+++ b/winsup/cygwin/localtime.cc
@@ -1476,7 +1476,8 @@ tzset P((void))
 	const char *	name = getenv("TZ");
 
 	if (name == NULL) {
-		tzsetwall();
+		if (!lcl_is_set)
+			tzsetwall();
 		return;
 	}
 
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