From 761d93129fb72d0418facb785776533b33d24a01 Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Tue, 8 May 2012 14:47:13 -0400
Subject: Do not try to run bullseye coverage if COVFILE env is empty.

---
 Source/CTest/cmCTestCoverageHandler.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/CTest/cmCTestCoverageHandler.cxx b/Source/CTest/cmCTestCoverageHandler.cxx
index 48bea64..593512e 100644
--- a/Source/CTest/cmCTestCoverageHandler.cxx
+++ b/Source/CTest/cmCTestCoverageHandler.cxx
@@ -1825,7 +1825,7 @@ int cmCTestCoverageHandler::HandleBullseyeCoverage(
   cmCTestCoverageHandlerContainer* cont)
 {
   const char* covfile = cmSystemTools::GetEnv("COVFILE");
-  if(!covfile)
+  if(!covfile || strlen(covfile) == 0)
     {
     cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, 
                " COVFILE environment variable not found, not running " 
-- 
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