From 5c8489859d9c3d6a071ad5817d669694a811553d Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 22 Mar 2018 16:08:59 +0100
Subject: OpenCL stuff

---
 src/diffraction-gpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/diffraction-gpu.h')

diff --git a/src/diffraction-gpu.h b/src/diffraction-gpu.h
index 0b0e364b..bef12a8e 100644
--- a/src/diffraction-gpu.h
+++ b/src/diffraction-gpu.h
@@ -38,7 +38,7 @@
 
 struct gpu_context;
 
-#if HAVE_OPENCL
+#ifdef HAVE_OPENCL
 
 extern int get_diffraction_gpu(struct gpu_context *gctx, struct image *image,
                                int na, int nb, int nc, UnitCell *ucell,
-- 
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