From 65fd2fc2616552e4204223b7c2b69d9bc87c1f2d Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 7 Aug 2007 22:39:29 +0000
Subject: [PATCH] correction to last commit: don't test unsetenv() return
 value, it's void under Darwin

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47943 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/unix/utilsunx.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index dffddb191a..83f9195503 100644
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -1101,7 +1101,10 @@ static bool wxDoSetEnv(const wxString& variable, const char *value)
     if ( !value )
     {
 #ifdef HAVE_UNSETENV
-        return unsetenv(variable.mb_str()) == 0;
+        // don't test unsetenv() return value: it's void on some systems (at
+        // least Darwin)
+        unsetenv(variable.mb_str());
+        return;
 #else
         value = ""; // we can't pass NULL to setenv()
 #endif
-- 
2.45.2