Added target cythonize_${_trgt} for each Cython file

Author: oleksandr-pavlyk

dpctl/CMakeLists.txt

@@ -140,9 +140,11 @@ set(CMAKE_INSTALL_RPATH "$ORIGIN")
 
 function(build_dpctl_ext _trgt _src _dest)
     add_cython_target(${_trgt} ${_src} CXX OUTPUT_VAR _generated_src)
+    set(_cythonize_trgt "${_trgt}_cythonize_pyx")
+    add_custom_target(${_cythonize_trgt} DEPENDS ${_src})
     add_library(${_trgt} MODULE ${_generated_src})
     target_include_directories(${_trgt} PRIVATE ${NumPy_INCLUDE_DIR} ${DPCTL_INCLUDE_DIR})
-    add_dependencies(${_trgt} _build_time_create_dpctl_include_copy)
+    add_dependencies(${_trgt} _build_time_create_dpctl_include_copy ${_cythonize_trgt})
     if (DPCTL_GENERATE_COVERAGE)
         target_compile_definitions(${_trgt} PRIVATE CYTHON_TRACE=1 CYTHON_TRACE_NOGIL=1)
         target_compile_options(${_trgt} PRIVATE -fno-sycl-use-footer)