[Cython] Cython-0.23.4 build failing on gcc6 for upcoming fedora 24

[Yaroslav Halchenko]

On Fri, 12 Feb 2016, Stefan Behnel wrote:
> >> ======================================================================
> >> FAIL: runTest (__main__.EndToEndTest)
> >> End-to-end asyncio_generators
> >> ----------------------------------------------------------------------
> >> Traceback (most recent call last):
> >>   File "runtests.py", line 1417, in runTest
> >>     self.assertEqual(0, res, "non-zero exit status")
> >> AssertionError: 0 != 1 : non-zero exit status
> >> ----------------------------------------------------------------------

> >> Not sure about this one (especially why it would be compiler dependent).

> > It's not compiler dependent. It's an incompatibility between Cython and
> > CPython's asyncio. Might be related to the fact that asyncio's Future is
> > both iterable and awaitable. Or something else... I looked into it but
> > couldn't figure it out yet.

> Found it:

> https://github.com/cython/cython/commit/7eed8d8ff9c872bc993a37438beca0f98e3aba38

I saw that one with 0.23.4 so went for that tip 7eed8d8 of 0.23.x and it
resolved it for my builds across releases and architectures UNTIL I got
this bugreport pointing to failure on hurd which is also accompanied with 2
other errors which seems to do with python's incompatibility itself with hurd.
Would those 2 errors lead to the failure of the test in question here? ;)

https://buildd.debian.org/status/fetch.php?pkg=cython&arch=hurd-i386&ver=0.23.4%2Bgit4-g7eed8d8-1&stamp=1455917417


======================================================================
ERROR: test_asyncio_1 (test_coroutines_pep492.CoroAsyncIOCompatTest)
----------------------------------------------------------------------
make[1]: *** [override_dh_auto_test] Error 1
make: *** [build-arch] Error 2
dpkg-buildpackage: error: debian/rules build-arch gave error exit status 2
Traceback (most recent call last):
  File "tests/run/test_coroutines_pep492.pyx", line 1493, in test_coroutines_pep492.CoroAsyncIOCompatTest.test_asyncio_1 (test_coroutines_pep492.c:66658)
    loop = asyncio.new_event_loop()
  File "/usr/lib/python3.5/asyncio/events.py", line 636, in new_event_loop
    return get_event_loop_policy().new_event_loop()
  File "/usr/lib/python3.5/asyncio/events.py", line 587, in new_event_loop
    return self._loop_factory()
  File "/usr/lib/python3.5/asyncio/unix_events.py", line 49, in __init__
    super().__init__(selector)
  File "/usr/lib/python3.5/asyncio/selector_events.py", line 49, in __init__
    super().__init__()
  File "/usr/lib/python3.5/asyncio/base_events.py", line 224, in __init__
    self._clock_resolution = time.get_clock_info('monotonic').resolution
OSError: [Errno 1073741846] Invalid argument

======================================================================
ERROR: test_asyncio_1 (test_coroutines_pep492.CoroAsyncIOCompatTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "tests/run/test_coroutines_pep492.pyx", line 1493, in test_coroutines_pep492.CoroAsyncIOCompatTest.test_asyncio_1 (test_coroutines_pep492.cpp:66667)
    loop = asyncio.new_event_loop()
  File "/usr/lib/python3.5/asyncio/events.py", line 636, in new_event_loop
    return get_event_loop_policy().new_event_loop()
  File "/usr/lib/python3.5/asyncio/events.py", line 587, in new_event_loop
    return self._loop_factory()
  File "/usr/lib/python3.5/asyncio/unix_events.py", line 49, in __init__
    super().__init__(selector)
  File "/usr/lib/python3.5/asyncio/selector_events.py", line 49, in __init__
    super().__init__()
  File "/usr/lib/python3.5/asyncio/base_events.py", line 224, in __init__
    self._clock_resolution = time.get_clock_info('monotonic').resolution
OSError: [Errno 1073741846] Invalid argument

======================================================================
FAIL: runTest (__main__.EndToEndTest)
End-to-end asyncio_generators
----------------------------------------------------------------------
Traceback (most recent call last):
  File "runtests.py", line 1417, in runTest
    self.assertEqual(0, res, "non-zero exit status")
AssertionError: 0 != 1 : non-zero exit status

----------------------------------------------------------------------
Ran 10019 tests in 3019.340s

FAILED (failures=1, errors=2)
Following tests excluded because of missing dependencies on your system:
   Cython.Coverage


if interested -- there is few other interesting failures for x32 (https://wiki.debian.org/X32Port) port:
https://buildd.debian.org/status/fetch.php?pkg=cython&arch=x32&ver=0.23.4%2Bgit4-g7eed8d8-1&stamp=1455910693

-- 
Yaroslav O. Halchenko
Center for Open Neuroscience     http://centerforopenneuroscience.org
Dartmouth College, 419 Moore Hall, Hinman Box 6207, Hanover, NH 03755
Phone: +1 (603) 646-9834                       Fax: +1 (603) 646-1419
WWW:   http://www.linkedin.com/in/yarik