From f08e4b710d111b67c5899a59e051bb08a43632a4 Mon Sep 17 00:00:00 2001
From: Gauthier Becker <gauthierbecker@gmail.com>
Date: Fri, 25 Oct 2013 22:08:10 +0000
Subject: [PATCH] Correct definition of the PARENT_SCOPE guard hope now there
 is no warning

---
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87ff45bb1b..6243236c42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,9 +138,9 @@ set(GMSH_API
   contrib/HighOrderMeshOptimizer/OptHomFastCurving.h contrib/HighOrderMeshOptimizer/SuperEl.h
   contrib/MathEx/mathex.h)
 
-if(PARENT_DIRECTORY)
+if(NOT PARENT_DIRECTORY STREQUAL "")
   set(GMSH_API ${GMSH_API} PARENT_SCOPE)
-endif(PARENT_DIRECTORY)
+endif(NOT PARENT_DIRECTORY STREQUAL "")
 
 execute_process(COMMAND date "+%Y%m%d" OUTPUT_VARIABLE DATE 
                 OUTPUT_STRIP_TRAILING_WHITESPACE)
-- 
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