use python3 sysconfig module for path detection instead of deprecated…

… distutils

CMakeLists.txt

@@ -102,7 +102,7 @@ endif(${USE_PROJECT_LIST} AND WILL_BUILD_CORE EQUAL -1)
 # If not set by the user, ask python where it keeps modules
 if(NOT PYTHON_MODULE_DIR)
 	EXECUTE_PROCESS (COMMAND ${Python_EXECUTABLE} -c
-		"from distutils.sysconfig import get_python_lib; print(get_python_lib(plat_specific=True,standard_lib=False))"
+		"import sysconfig; print(sysconfig.get_path(\"platlib\"))"
 		OUTPUT_VARIABLE PYTHON_MODULE_DIR
 		OUTPUT_STRIP_TRAILING_WHITESPACE
 	)