From 181c63b9754e9e81f34772cc6a39f3d4c790d5e2 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 29 Jun 1997 20:18:58 +0000
Subject: [PATCH] fix it right

---
 lib/putenv.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/putenv.c b/lib/putenv.c
index 5e9a8631ef..43555c07e7 100644
--- a/lib/putenv.c
+++ b/lib/putenv.c
@@ -25,7 +25,7 @@
 
 /* Define-away any (possibly conflicting) prototype of putenv.
    Many systems omit the `const' attribute on the argument.
-   Define-away only if it's not already defined (e.g. to rpl_putenv).  */
+   But don't define-away if it's already defined (e.g. to rpl_putenv).  */
 #ifndef putenv
 # define putenv _sys_putenv
 #endif
@@ -40,9 +40,7 @@
 # include <unistd.h>
 #endif
 
-#ifndef putenv
-# undef putenv
-#endif
+#define _sys_putenv putenv
 
 #if !defined (__GNU_LIBRARY__) && !defined (HAVE_STRCHR)
 # define strchr index
-- 
2.30.2