Change use_dpctl_sycl to use skbuild

Author: oleksandr-pavlyk

examples/cython/use_dpctl_sycl/CMakeLists.txt

@@ -0,0 +1,46 @@
+cmake_minimum_required(VERSION 3.22...3.27 FATAL_ERROR)
+
+project(example_cython_use_dpctl_sycl VERSION 0.1 LANGUAGES CXX
+  DESCRIPTION "Example of Cython extension to use Cython API to SYCL objects.")
+set(DPCTL_CMAKE_MODULES_PATH "${CMAKE_SOURCE_DIR}/../../../cmake")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${DPCTL_CMAKE_MODULES_PATH})
+
+find_package(IntelSYCL REQUIRED PATHS ${DPCTL_CMAKE_MODULES_PATH} NO_DEFAULT_PATH)
+
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}")
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# Define CMAKE_INSTALL_xxx: LIBDIR, INCLUDEDIR
+include(GNUInstallDirs)
+
+find_package(Python REQUIRED COMPONENTS Development.Module NumPy)
+find_package(Dpctl REQUIRED)
+
+# -w is to set working directory (and correctly set __pyx_f[] array of filenames)
+set(CYTHON_FLAGS "-t -w \"${CMAKE_SOURCE_DIR}\"")
+find_package(Cython REQUIRED)
+
+set(py_module_name _cython_api)
+
+set(_cy_source use_dpctl_sycl/_cython_api.pyx)
+add_cython_target(${py_module_name} ${_cy_source} CXX OUTPUT_VAR _generated_cy_src)
+Python_add_library(${py_module_name} MODULE WITH_SOABI ${_generated_cy_src})
+add_sycl_to_target(TARGET ${py_module_name} SOURCES ${_generated_cy_src})
+target_include_directories(${py_module_name} PUBLIC include ${Dpctl_INCLUDE_DIRS})
+target_link_libraries(${py_module_name} PRIVATE Python::NumPy)
+
+install(TARGETS ${py_module_name} DESTINATION use_dpctl_sycl)
+
+foreach(_src_fn ${_sources})
+    get_source_file_property(_compile_options ${_src_fn} COMPILE_OPTIONS)
+    set(_combined_options ${_compile_options} "-O3")
+    set_source_files_properties(${_src_fn}
+        PROPERTIES
+        COMPILE_OPTIONS "${_combined_options}"
+    )
+endforeach()
+target_link_options(${py_module_name} PRIVATE -fsycl-device-code-split=per_kernel)
+
+set(ignoreMe "${SKBUILD}")

examples/cython/use_dpctl_sycl/use_dpctl_sycl/utils.hpp renamed to examples/cython/use_dpctl_sycl/include/utils.hpp

@@ -14,40 +14,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import Cython.Build
-import setuptools
-from setuptools.command.build_ext import build_ext as build_ext_base
+from skbuild import setup
 
-import dpctl
-
-
-class custom_build_ext(build_ext_base):
-    def build_extensions(self):
-        self.compiler.set_executable("compiler_so", "icx -fsycl -fPIC")
-        self.compiler.set_executable("compiler_cxx", "icpx -fsycl -fPIC")
-        self.compiler.set_executable(
-            "linker_so",
-            "icpx -fsycl -shared -fpic -fsycl-device-code-split=per_kernel",
-        )
-        super().build_extensions()
-
-
-ext = setuptools.Extension(
-    "use_dpctl_sycl._cython_api",
-    ["./use_dpctl_sycl/_cython_api.pyx"],
-    include_dirs=[dpctl.get_include(), "./use_dpctl_sycl"],
-    language="c++",
-)
-
-(cythonized_ext,) = Cython.Build.cythonize(
-    [
-        ext,
-    ]
-)
-
-setuptools.setup(
+setup(
     name="use_dpctl_sycl",
     version="0.0.0",
-    ext_modules=[cythonized_ext],
-    cmdclass={"build_ext": custom_build_ext},
+    description="An example of Cython extension calling SYCL Cython API",
+    long_description="""
+    Example of using SYCL to work on host allocated NumPy array using
+    SYCL buffers and SYCL functions.
+
+    See README.md for more details.
+    """,
+    license="Apache 2.0",
+    author="Intel Corporation",
+    url="https://github.com/IntelPython/dpctl",
+    packages=["use_dpctl_sycl"],
 )