Fix cmake script (#1725)

* find NumPy package via cmake's Python integration

* Use interface library to include NumPy's include dirs

No library is linked, but interface library provides include dir path.

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Co-authored-by: Anton <[email protected]>

Author: oleksandr-pavlyk

CMakeLists.txt

@@ -63,8 +63,7 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(pybind11)
 
-find_package(Python REQUIRED COMPONENTS Development.Module)
-find_package(NumPy REQUIRED)
+find_package(Python REQUIRED COMPONENTS Development.Module NumPy)
 
 set(CYTHON_FLAGS "-t -w \"${CMAKE_SOURCE_DIR}\"")
 find_package(Cython REQUIRED)

dpnp/CMakeLists.txt

@@ -21,7 +21,7 @@ function(build_dpnp_cython_ext _trgt _src _dest)
 
   # NumPy
   target_compile_definitions(${_trgt} PRIVATE NPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION)
-  target_include_directories(${_trgt} PRIVATE ${NumPy_INCLUDE_DIR})
+  target_link_libraries(${_trgt} PRIVATE Python::NumPy)
 
   # Dpctl
   target_include_directories(${_trgt} PRIVATE ${Dpctl_INCLUDE_DIR})