From e3f0416f5a3f580a95a1b3a9ff32075191be62b0 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Fri, 9 Dec 2016 20:53:05 +0100
Subject: [PATCH] Disabled OpenCL in dcraw when IM is compiled without OpenCL
 support.

---
 coders/dng.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/coders/dng.c b/coders/dng.c
index 2a1ffa453..44b1df962 100644
--- a/coders/dng.c
+++ b/coders/dng.c
@@ -142,8 +142,12 @@ static void InitializeDcrawOpenCL(ExceptionInfo *exception)
 static void InitializeDcrawOpenCL(ExceptionInfo *magick_unused(exception))
 {
   magick_unreferenced(exception);
+#if defined(MAGICKCORE_WINDOWS_SUPPORT)
+  (void) SetEnvironmentVariable("DCR_CL_DISABLED","1");
+#endif
 }
 #endif
+
 static Image *ReadDNGImage(const ImageInfo *image_info,ExceptionInfo *exception)
 {
   ExceptionInfo
-- 
2.40.0