From 894961af16c83beb785b3d0fa7d1e6b80946eaac Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Wed, 13 May 2015 20:42:16 +0200
Subject: [PATCH] cmMakefile: Use the state to determine the parent directory.

Do not depend on the local generator for that.
---
 Source/cmMakefile.cxx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 1a6d1235c..48a9b9244 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -4117,11 +4117,12 @@ const char *cmMakefile::GetProperty(const std::string& prop,
   output = "";
   if (prop == "PARENT_DIRECTORY")
     {
-    if(cmLocalGenerator* plg = this->LocalGenerator->GetParent())
+    cmState::Snapshot parent = this->StateSnapshot.GetParent();
+    if(parent.IsValid())
       {
-      output = plg->GetMakefile()->GetCurrentSourceDirectory();
+      return parent.GetCurrentSourceDirectory();
       }
-    return output.c_str();
+    return "";
     }
   else if (prop == "INCLUDE_REGULAR_EXPRESSION" )
     {