From d3b676cb37771740c57d974404df42aa213cad93 Mon Sep 17 00:00:00 2001
From: Tom Lin <tom91136@gmail.com>
Date: Thu, 27 May 2021 10:47:46 +0100
Subject: [PATCH] Include CL_MEM_CHANNEL_INTEL directly to avoid header
 precedence issues

---
 src/sycl/SYCLStream.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/sycl/SYCLStream.h b/src/sycl/SYCLStream.h
index f312009..dd13387 100644
--- a/src/sycl/SYCLStream.h
+++ b/src/sycl/SYCLStream.h
@@ -11,6 +11,15 @@
 
 #include "Stream.h"
 
+#include "CL/opencl.h"
+
+// XXX Intel's SYCL impl. needs CL_MEM_CHANNEL_INTEL which is provided in dpcpp's include dir
+// however, depending the system configuration, the system CL header sometimes takes precedence
+// we only really need this macro to refer to the extension so this is probably OK
+#ifndef CL_MEM_CHANNEL_INTEL
+#define CL_MEM_CHANNEL_INTEL            0x4213
+#endif
+
 #include "CL/sycl.hpp"
 
 #define IMPLEMENTATION_STRING "SYCL"