Use IntelSYCL cmake script

CMakeLists.txt

@@ -1,8 +1,4 @@
-cmake_minimum_required(VERSION 3.21...3.26 FATAL_ERROR)
-
-if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.24")
-  cmake_policy(SET CMP0135 NEW)
-endif()
+cmake_minimum_required(VERSION 3.21...3.27 FATAL_ERROR)
 
 project(dpnp
   DESCRIPTION "NumPy-like API accelerated by SYCL."
@@ -27,7 +23,7 @@ endif()
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${DPCTL_MODULE_PATH})
 
 
-find_package(IntelDPCPP REQUIRED)
+find_package(IntelSYCL REQUIRED PATHS ${CMAKE_SOURCE_DIR}/dpnp/backend/cmake/Modules NO_DEFAULT_PATH)
 find_package(TBB QUIET)
 if(TBB_FOUND)
     find_package(TBB REQUIRED)
@@ -77,7 +73,7 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(pybind11)
 
-find_package(PythonExtensions REQUIRED)
+find_package(Python REQUIRED COMPONENTS Development.Module)
 find_package(NumPy REQUIRED)
 
 set(CYTHON_FLAGS "-t -w \"${CMAKE_SOURCE_DIR}\"")

dpnp/CMakeLists.txt

@@ -1,46 +1,53 @@
 
 function(build_dpnp_cython_ext _trgt _src _dest)
+  set(options SYCL)
+  cmake_parse_arguments(BUILD_DPNP_EXT "${options}" "" "" ${ARGN})
   add_cython_target(${_trgt} ${_src} CXX OUTPUT_VAR _generated_src)
   message(STATUS "Using ${_trgt}")
-  add_library(${_trgt} MODULE ${_generated_src})
+
+  Python_add_library(${_trgt} MODULE WITH_SOABI ${_generated_src})
   set(_trgt_deps "${_trgt}_deps")
   add_custom_target(${_trgt_deps} DEPENDS ${_src})
   add_dependencies(${_trgt} ${_trgt_deps})
+
+  if (BUILD_DPNP_EXT_SYCL)
+    add_sycl_to_target(TARGET ${_trgt} SOURCES ${_generated_src})
+  endif()
+
   if (DPNP_GENERATE_COVERAGE)
     target_compile_definitions(${_trgt} PRIVATE CYTHON_TRACE=1 CYTHON_TRACE_NOGIL=1)
     target_compile_options(${_trgt} PRIVATE "-fno-sycl-use-footer")
   endif()
-  target_compile_definitions(${_trgt} PRIVATE NPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION)
+
   # NumPy
+  target_compile_definitions(${_trgt} PRIVATE NPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION)
   target_include_directories(${_trgt} PRIVATE ${NumPy_INCLUDE_DIR})
+
   # Dpctl
   target_include_directories(${_trgt} PRIVATE ${Dpctl_INCLUDE_DIR})
   target_link_directories(${_trgt} PRIVATE ${Dpctl_INCLUDE_DIR}/..)
-  target_link_libraries(${_trgt} DPCTLSyclInterface)
+  target_link_libraries(${_trgt} PRIVATE DPCTLSyclInterface)
 
   set(_linker_options "LINKER:${DPNP_LDFLAGS}")
   target_link_options(${_trgt} PRIVATE ${_linker_options})
-  python_extension_module(${_trgt})
 
   if (DPNP_GENERATE_COVERAGE)
        set(_copy_cxx_trgt "${_trgt}_copy_cxx")
        add_custom_target(
-           ${_copy_cxx_trgt} ALL
-           COMMAND ${CMAKE_COMMAND}
-         -DSOURCE_FILE=${_generated_src}
-         -DDEST=${CMAKE_CURRENT_SOURCE_DIR}
-         -P ${CMAKE_SOURCE_DIR}/dpnp/cmake/copy_existing.cmake
-     DEPENDS ${_trgt}
-     VERBATIM
-           COMMENT "Copying Cython-generated source for target ${_trgt} to dpnp source layout"
+           ${_copy_cxx_trgt} ALL COMMAND ${CMAKE_COMMAND}
+           -DSOURCE_FILE=${_generated_src}
+           -DDEST=${CMAKE_CURRENT_SOURCE_DIR}
+           -P ${CMAKE_SOURCE_DIR}/dpnp/cmake/copy_existing.cmake
+           DEPENDS ${_trgt}
+           VERBATIM COMMENT "Copying Cython-generated source for target ${_trgt} to dpnp source layout"
        )
   endif()
   install(TARGETS ${_trgt} LIBRARY DESTINATION ${_dest})
 endfunction()
 
 function(build_dpnp_cython_ext_with_backend _trgt _src _dest)
   build_dpnp_cython_ext(${_trgt} ${_src} ${_dest})
-  target_link_libraries(${_trgt} dpnp_backend_library)
+  target_link_libraries(${_trgt} PRIVATE dpnp_backend_library)
   if (UNIX)
     set_target_properties(${_trgt} PROPERTIES INSTALL_RPATH "$ORIGIN/..")
   endif()