From c1c5af0932aaaaa33fd0bf3e2c1cfb97c2b6db57 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Fri, 10 Aug 2018 14:24:27 -0500
Subject: [PATCH] [pybind] Bring back custom ext header

---
 src/pyopencl_ext.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++
 src/wrap_cl.hpp    |  2 +-
 2 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 src/pyopencl_ext.h

diff --git a/src/pyopencl_ext.h b/src/pyopencl_ext.h
new file mode 100644
index 00000000..a9792d8b
--- /dev/null
+++ b/src/pyopencl_ext.h
@@ -0,0 +1,58 @@
+#ifndef _PYOPENCL_EXT_H
+#define _PYOPENCL_EXT_H
+
+#ifdef PYOPENCL_USE_SHIPPED_EXT
+
+#include "clinfo_ext.h"
+
+#else
+
+#if (defined(__APPLE__) && !defined(PYOPENCL_APPLE_USE_CL_H))
+
+#include <OpenCL/opencl.h>
+
+#else
+
+#include <CL/cl.h>
+#include <CL/cl_ext.h>
+
+#endif
+
+#ifndef CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD
+#define CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD        1
+
+typedef union
+{
+    struct { cl_uint type; cl_uint data[5]; } raw;
+    struct { cl_uint type; cl_char unused[17]; cl_char bus; cl_char device; cl_char function; } pcie;
+} cl_device_topology_amd;
+#endif
+
+/* {{{ these NV defines are often missing from the system headers */
+
+#ifndef CL_DEVICE_KERNEL_EXEC_TIMEOUT_NV
+#define CL_DEVICE_KERNEL_EXEC_TIMEOUT_NV                0x4005
+#endif
+#ifndef CL_DEVICE_INTEGRATED_MEMORY_NV
+#define CL_DEVICE_INTEGRATED_MEMORY_NV                  0x4006
+#endif
+
+#ifndef CL_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT_NV
+#define CL_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT_NV       0x4007
+#endif
+
+#ifndef CL_DEVICE_PCI_BUS_ID_NV
+#define CL_DEVICE_PCI_BUS_ID_NV                         0x4008
+#endif
+
+#ifndef CL_DEVICE_PCI_SLOT_ID_NV
+#define CL_DEVICE_PCI_SLOT_ID_NV                        0x4009
+#endif
+
+/* }}} */
+
+#endif
+
+#endif
+
+/* vim: foldmethod=marker */
diff --git a/src/wrap_cl.hpp b/src/wrap_cl.hpp
index 297186de..9488a715 100644
--- a/src/wrap_cl.hpp
+++ b/src/wrap_cl.hpp
@@ -28,7 +28,7 @@
 #define CL_TARGET_OPENCL_VERSION 220
 
 #include <CL/cl.h>
-#include <CL/cl_ext.h>
+#include "pyopencl_ext.h"
 
 #if defined(_WIN32)
 #define NOMINMAX
-- 
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