From 314c9ae33bfd304c9622b89ec62bca052f6e0d39 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Sun, 2 Aug 2015 09:11:55 +0200
Subject: [PATCH] cmLocalGenerator: Make GetFeature tail-recursive.

---
 Source/cmLocalGenerator.cxx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index edb644de7..169cdf46d 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2384,11 +2384,12 @@ const char* cmLocalGenerator::GetFeature(const std::string& feature,
     {
     return value;
     }
-  if(cmLocalGenerator* parent = this->GetParent())
+  cmLocalGenerator* parent = this->GetParent();
+  if(!parent)
     {
-    return parent->GetFeature(feature, config);
+    return 0;
     }
-  return 0;
+  return parent->GetFeature(feature, config);
 }
 
 //----------------------------------------------------------------------------