File 0001-Fix-linking-for-VTK-6.3.patch of Package openEMS

From d6daf5b062be05db00949b4097a46c9eb9b5531f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Klaus=20K=C3=A4mpf?= <kkaempf@suse.de>
Date: Wed, 27 Dec 2017 08:33:21 +0100
Subject: [PATCH] Fix linking for VTK >= 6.3

---
 CMakeLists.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 898f280..2e860b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -125,8 +125,11 @@ find_package(Boost 1.46 COMPONENTS
 if (WIN32)
     find_package(VTK 6.1 REQUIRED)
 else()
+    find_package(VTK COMPONENTS vtkIOXML vtkIOGeometry vtkIOLegacy vtkIOPLY NO_MODULE)
     # prefer >=6.1, fallback to >=5.4
-    find_package(VTK 6.1 COMPONENTS vtkIOXML vtkIOGeometry vtkIOLegacy vtkIOPLY NO_MODULE)
+    IF (NOT ${VTK_FOUND})
+       find_package(VTK 6.1 COMPONENTS vtkIOXML vtkIOGeometry vtkIOLegacy vtkIOPLY NO_MODULE)
+    endif()
     IF (NOT ${VTK_FOUND})
         find_package(VTK REQUIRED)
     endif()
-- 
2.19.2