[SYCL] Add __SYCL_COMPILER_VERSION macro

Signed-off-by: Sergey Semenov <[email protected]>
Signed-off-by: Vladimir Lazarev <[email protected]>

Author: sergey-semenov

sycl/.gitignore

@@ -0,0 +1 @@
+include/CL/sycl/version.hpp

sycl/CMakeLists.txt

@@ -34,6 +34,12 @@ find_package(OpenCL REQUIRED)
 include_directories(${OpenCL_INCLUDE_DIRS})
 link_libraries(OpenCL)
 
+# Configure SYCL version macro
+set(sycl_inc_dir ${CMAKE_CURRENT_SOURCE_DIR}/include/CL)
+string(TIMESTAMP __SYCL_COMPILER_VERSION "%Y%m%d")
+set(version_header "${sycl_inc_dir}/sycl/version.hpp")
+configure_file("${version_header}.in" "${version_header}")
+
 # Copy SYCL headers
 set(sycl_inc_dir ${CMAKE_CURRENT_SOURCE_DIR}/include/CL)
 set(dst_dir ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}/include/CL)

sycl/include/CL/sycl.hpp

@@ -35,6 +35,7 @@
 #include <CL/sycl/queue.hpp>
 #include <CL/sycl/range.hpp>
 #include <CL/sycl/types.hpp>
+#include <CL/sycl/version.hpp>
 
 // Do not include RT only function implementations for device code as it leads
 // to problem. Should be finally fixed when we introduce library.

sycl/include/CL/sycl/version.hpp.in

@@ -0,0 +1,9 @@
+//==------ version.hpp --- SYCL compiler version macro ---------*- C++ -*---==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#cmakedefine __SYCL_COMPILER_VERSION ${__SYCL_COMPILER_VERSION}

sycl/test/basic_tests/macros.cpp

@@ -0,0 +1,12 @@
+// RUN: %clang -std=c++11 -g %s -o %t.out -lstdc++ -lOpenCL -lsycl
+
+#include <CL/sycl.hpp>
+#include <iostream>
+
+int main() {
+  std::cout << "SYCL language version: " << CL_SYCL_LANGUAGE_VERSION
+            << std::endl;
+  std::cout << "SYCL compiler version: " << __SYCL_COMPILER_VERSION
+            << std::endl;
+  return 0;
+}