From 9145985ff4ac7089d5082f49a0cc9dab14769b55 Mon Sep 17 00:00:00 2001
From: Anatoly Baksheev <no@email>
Date: Thu, 23 Jan 2014 14:41:21 +0400
Subject: [PATCH] added guard to prevent linking VTK with Qt5

---
 cmake/OpenCVDetectVTK.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/OpenCVDetectVTK.cmake b/cmake/OpenCVDetectVTK.cmake
index ef9aa8043c..78d1a73b69 100644
--- a/cmake/OpenCVDetectVTK.cmake
+++ b/cmake/OpenCVDetectVTK.cmake
@@ -2,6 +2,11 @@ if(NOT WITH_VTK OR ANDROID OR IOS)
   return()
 endif()
 
+if (HAVE_QT5)
+  message(STATUS "VTK is disabled because OpenCV is linked with Q5. Some VTK disributives are compiled with Q4 and therefore can't be linked together Qt5.")
+  return()
+endif()
+
 find_package(VTK 6.0 QUIET COMPONENTS vtkRenderingCore vtkInteractionWidgets vtkInteractionStyle vtkIOLegacy vtkIOPLY vtkRenderingFreeType vtkRenderingLOD vtkFiltersTexture vtkIOExport NO_MODULE)
 
 if(NOT DEFINED VTK_FOUND OR NOT VTK_FOUND)