From 69ca7b4f56b0873c4446859655712091b44e6434 Mon Sep 17 00:00:00 2001
From: Simon Rit <simon.rit@creatis.insa-lyon.fr>
Date: Sat, 4 Jan 2014 16:23:43 +0100
Subject: [PATCH] Detect ITK_USE_SYSTEM_GDCM with target

---
 cmake/dependencies.cmake | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/cmake/dependencies.cmake b/cmake/dependencies.cmake
index 2bd9f82..7091fff 100644
--- a/cmake/dependencies.cmake
+++ b/cmake/dependencies.cmake
@@ -63,14 +63,11 @@ IF(ITK_VERSION_MAJOR LESS "4")
   IF(ITK_USE_SYSTEM_GDCM)
     SET(CLITK_USE_SYSTEM_GDCM TRUE) 
   ENDIF(ITK_USE_SYSTEM_GDCM)
-ELSE(ITK_VERSION_MAJOR LESS "4")
-  FIND_PATH(GDCMDEFSPATH
-      "gdcmDefs.h"
-      PATHS ${ITK_INCLUDE_DIRS})
-  IF(${GDCMDEFSPATH} MATCHES "GDCMDEFSPATH-NOTFOUND")
+ELSE()
+  # ITK4 creates a target for each gdcm library when it compiles GDCM
+  get_target_property(GDCMDICTTARG gdcmDICT TYPE )
+  IF(NOT GDCMDICTTARG)
     SET(CLITK_USE_SYSTEM_GDCM TRUE)
   ENDIF()
-ENDIF(ITK_VERSION_MAJOR LESS "4")
-
-#DD(CLITK_USE_SYSTEM_GDCM)
+ENDIF()
 
-- 
2.47.1