build: switched from FindPythonInterp to FindPython2

FindPythonInterp was deprecated in CMake 3.12 and removed in CMake 3.27.

Author: vpirogov

CMakeLists.txt

@@ -1,5 +1,5 @@
 #===============================================================================
-# Copyright 2016-2019 Intel Corporation
+# Copyright 2016-2024 Intel Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -16,11 +16,21 @@
 
 cmake_minimum_required(VERSION 3.13)
 
-# Install rules order
+# CMake minimum required version enables all policies introduced in minimum
+# version and earlier versions. Policies introduced in future versions
+# are handled individually in the section below.
+
+# CMake 3.14: Install rules from add_subdirectory() calls are interleaved
+# with those in caller.
 if(POLICY CMP0082)
     cmake_policy(SET CMP0082 NEW)
 endif()
 
+# CMake 3.27: The FindPythonInterp and FindPythonLibs modules are removed.
+if(POLICY CMP0148)
+    cmake_policy(SET CMP0148 NEW)
+endif()
+
 if("${CMAKE_BUILD_TYPE}" STREQUAL "")
     message(STATUS "CMAKE_BUILD_TYPE is unset, defaulting to Release")
     set(CMAKE_BUILD_TYPE "Release" CACHE STRING

cmake/Sphinx.cmake

@@ -1,5 +1,5 @@
 #===============================================================================
-# Copyright 2021 Intel Corporation
+# Copyright 2021-2024 Intel Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,9 +22,9 @@ if(Sphinx_cmake_included)
 endif()
 set(Sphinx_cmake_included true)
 
-find_package(PythonInterp 2.7)
+find_package(Python 3.7 COMPONENTS Interpreter)
 find_package(Sphinx)
-if (PYTHONINTERP_FOUND AND SPHINX_FOUND)
+if (Python_FOUND AND SPHINX_FOUND)
     set(SPHINX_GENERATOR "html" CACHE STRING "specifies generator for Sphinx")
 
     set(SPHINX_OUTPUT_DIR
@@ -52,12 +52,12 @@ if (PYTHONINTERP_FOUND AND SPHINX_FOUND)
         COMMAND ${CMAKE_COMMAND} -E copy_directory
             ${CMAKE_CURRENT_SOURCE_DIR}/doc/sphinx/_static
             ${SPHINX_SOURCE_DIR}/_static
-        COMMAND ${PYTHON_EXECUTABLE}
+        COMMAND ${Python_EXECUTABLE}
             ${CMAKE_CURRENT_BINARY_DIR}/cleanup.py ${SPHINX_SOURCE_DIR}
         COMMAND ${SPHINX_EXECUTABLE} -b ${SPHINX_GENERATOR}
             -D release=v${PROJECT_VERSION} -j auto rst ${SPHINX_OUTPUT_DIR}
         COMMAND ${CMAKE_COMMAND} -E touch ${SPHINX_STAMP_FILE}
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/reference
         COMMENT "Generating API documentation with Sphinx" VERBATIM)
     add_custom_target(doc_sphinx DEPENDS ${SPHINX_STAMP_FILE} doc_doxyrest)
-endif(PYTHONINTERP_FOUND AND SPHINX_FOUND)
+endif(Python_FOUND AND SPHINX_FOUND)