Signed-off-by: Ci Tian <[email protected]>

add backwards compatibility with the beta09 compiler

Author: citian-intel

DirectProgramming/DPC++FPGA/Tutorials/Features/max_interleaving/src/max_interleaving.cpp

@@ -4,13 +4,22 @@
 // SPDX-License-Identifier: MIT
 // =============================================================
 #include <CL/sycl.hpp>
-#include <CL/sycl/INTEL/fpga_extensions.hpp>
 #include <array>
 #include <iomanip>
 #include <iostream>
-
 #include "dpc_common.hpp"
 
+// Header locations and some DPC++ extensions changed between beta09 and beta10
+// Temporarily modify the code sample to accept either version
+#include <CL/sycl.hpp>
+#define BETA09 20200827
+#if __SYCL_COMPILER_VERSION <= BETA09
+  #include <CL/sycl/intel/fpga_extensions.hpp>
+  namespace INTEL = sycl::intel;  // Namespace alias for backward compatibility
+#else
+  #include <CL/sycl/INTEL/fpga_extensions.hpp>
+#endif
+
 using namespace sycl;
 
 constexpr size_t kSize = 8;