From 2accf544cbd4bbe9df5f8990fbb80a98f6879086 Mon Sep 17 00:00:00 2001
From: Anatol Belski <ab@php.net>
Date: Sun, 29 Mar 2015 13:18:25 +0200
Subject: [PATCH] ifdef win only api

---
 ext/standard/basic_functions.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index ae83ec79e7..7bf51eb5d5 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -3383,11 +3383,13 @@ static void php_putenv_destructor(zval *zv) /* {{{ */
 	putenv_entry *pe = Z_PTR_P(zv);
 
 	if (pe->previous_value) {
+# if defined(PHP_WIN32)
 		/* MSVCRT has a bug in putenv() when setting a variable that
 		 * is already set; if the SetEnvironmentVariable() API call
 		 * fails, the Crt will double free() a string.
 		 * We try to avoid this by setting our own value first */
 		SetEnvironmentVariable(pe->key, "bugbug");
+# endif
 		putenv(pe->previous_value);
 # if defined(PHP_WIN32)
 		efree(pe->previous_value);
-- 
2.40.0