Watchdog: OS X 10.10.5에서 'pip install watchdog' 실패

pip install watchdog 는 다음 오류와 함께 실패합니다.

src/watchdog_fsevents.c:466:33: warning: unused parameter 'self' [-Wunused-parameter]
    watchdog_remove_watch(PyObject *self, PyObject *watch)
                                    ^
    src/watchdog_fsevents.c:491:25: warning: unused parameter 'self' [-Wunused-parameter]
    watchdog_stop(PyObject *self, PyObject *emitter_thread)
                            ^
    src/watchdog_fsevents.c:531:10: warning: missing field 'ml_meth' initializer [-Wmissing-field-initializers]
        {NULL},
             ^
    8 warnings and 2 errors generated.
    error: command '/usr/bin/clang' failed with exit status 1

    ----------------------------------------
Command "/Users/airborne/anaconda/bin/python -u -c "import setuptools, tokenize;__file__='/private/var/folders/7c/vvy24k6d483cwl0m6fbl0vdr0000gn/T/pip-build-BozAQp/watchdog/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/7c/vvy24k6d483cwl0m6fbl0vdr0000gn/T/pip-nx7ozu-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/7c/vvy24k6d483cwl0m6fbl0vdr0000gn/T/pip-build-BozAQp/watchdog/

누구든지이 오류를 해결하는 데 도움을 줄 수 있습니까?
전체 오류 로그는 여기에 있습니다 . http://pastebin.com/D2qq9tb1
파이썬 버전 : 파이썬 2.7.11 |아나콘다 2.4.1 (x86_64)

편집: OSX 10.9에 대해 제기된 이전 버그에서 제안된 솔루션이 작동하지 않는 것 같습니다 - https://github.com/gorakhargosh/watchdog/issues/224