From 5c0a287ce84bb89ada75a222c01dfd9f9583c10d Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Thu, 8 Jun 2017 01:49:09 +0300
Subject: [PATCH] build: fix warning

C4189: 'clImageUV' : local variable is initialized but not referenced
---
 modules/core/src/directx.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/core/src/directx.cpp b/modules/core/src/directx.cpp
index 23a7b94..2ea1687 100644
--- a/modules/core/src/directx.cpp
+++ b/modules/core/src/directx.cpp
@@ -794,7 +794,9 @@ void convertToD3D11Texture2D(InputArray src, ID3D11Texture2D* pD3D11Texture2D)
 
     cl_int status = 0;
     cl_mem clImage = 0;
+#ifdef HAVE_DIRECTX_NV12
     cl_mem clImageUV = 0;
+#endif
 
     clImage = clCreateFromD3D11Texture2DKHR(context, CL_MEM_WRITE_ONLY, pD3D11Texture2D, 0, &status);
     if (status != CL_SUCCESS)
-- 
2.7.4