From 4801fb841f31b6358ee9654c5f85ce3a8be0cd87 Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Wed, 23 Apr 2008 09:56:54 -0400
Subject: ENH: handle empty lists correctly

---
 Source/cmListCommand.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/cmListCommand.cxx b/Source/cmListCommand.cxx
index 9d71860..efda0e5 100644
--- a/Source/cmListCommand.cxx
+++ b/Source/cmListCommand.cxx
@@ -103,6 +103,11 @@ bool cmListCommand::GetList(std::vector<std::string>& list, const char* var)
     {
     return false;
     }
+  // if the size of the list 
+  if(listString.size() == 0)
+    {
+    return true;
+    }
   // expand the variable into a list
   cmSystemTools::ExpandListArgument(listString, list, true);
   // check the list for empty values
-- 
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