not able to build with CPU

[Joejiong]

Describe the bug
A clear and concise description of what the bug is.

2024-12-20 21:40:01,693     INFO make dir: /disc/tao/third_party/mkldnn/build
2024-12-20 21:40:01,693     INFO clear dir: /disc/tao/third_party/mkldnn/build, clear hidden files: True
Traceback (most recent call last):
  File "scripts/python/tao_build.py", line 920, in <module>
    raise e
  File "scripts/python/tao_build.py", line 918, in <module>
    main()
  File "scripts/python/tao_build.py", line 874, in main
    config_mkldnn(root, args)
  File "/disc/scripts/python/common_setup.py", line 283, in config_mkldnn
    ensure_empty_dir(build_dir, clear_hidden=True)
  File "/disc/scripts/python/common_setup.py", line 172, in ensure_empty_dir
    os.makedirs(dir)
  File "/usr/lib/python3.8/os.py", line 223, in makedirs
    mkdir(name, mode)
FileExistsError: [Errno 17] File exists: '/disc/tao/third_party/mkldnn/build'

To Reproduce
Steps to reproduce the behavior.
bash ./scripts/ci/build_and_test.sh --cpu-only