Replace pragma once with ifdef.

Author: aarongreig

unified-runtime/source/adapters/cuda/adapter.hpp

@@ -8,6 +8,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef UR_CUDA_ADAPTER_HPP_INCLUDED
+#define UR_CUDA_ADAPTER_HPP_INCLUDED
+
 #include "logger/ur_logger.hpp"
 #include "platform.hpp"
 #include "tracing.hpp"
@@ -17,9 +20,6 @@
 #include <memory>
 #include <mutex>
 
-// should maybe be an ifdef
-#pragma once
-
 struct ur_platform_handle_t_;
 
 struct ur_adapter_handle_t_ {
@@ -35,3 +35,5 @@ struct ur_adapter_handle_t_ {
 namespace ur::cuda {
 extern std::shared_ptr<ur_adapter_handle_t_> adapter;
 } // namespace ur::cuda
+
+#endif // UR_CUDA_ADAPTER_HPP_INCLUDED

unified-runtime/source/adapters/cuda/platform.hpp

@@ -7,7 +7,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-#pragma once
+
+#ifndef UR_CUDA_PLATFORM_HPP_INCLUDED
+#define UR_CUDA_PLATFORM_HPP_INCLUDED
 
 #include "device.hpp"
 #include <ur/ur.hpp>
@@ -18,3 +20,5 @@
 struct ur_platform_handle_t_ {
   std::vector<std::unique_ptr<ur_device_handle_t_>> Devices;
 };
+
+#endif // UR_CUDA_PLATFORM_HPP_INCLUDED