[Numpy-discussion] Having trouble installing Numpy on OS X

Michael Abshoff michael.abshoff@googlemail....
Sat Jan 24 20:04:15 CST 2009

Robert Kern wrote:
> On Sat, Jan 24, 2009 at 18:31, Nat Wilson <njwilson23@gmail.com> wrote:
>> It throws this out.
>> Python 2.6.1 (r261:67515, Jan 24 2009, 16:08:37)
>> [GCC 4.0.0 20041026 (Apple Computer, Inc. build 4061)] on darwin
>> Type "help", "copyright", "credits" or "license" for more information.
>>  >>> import os
>>  >>> os.urandom(16)
>> '\xe0;n\x8a*\xb4\x08N\x80<\xef\x9b*\x06\x1b\xc4'
>>  >>>
> Well, looking at the C code for random_seed(), I don't see a way for
> it to return NULL without having an exception set (assuming that the
> Python API calls aren't buggy). Except maybe the assert() call in
> there. When you built your Python, are you sure that -DNDEBUG was
> being used?

Well, the gcc used to compiler Python is rather ancient and that gcc 
release by Apple has the reputation to be "buggier than a Florida swamp 
in July" and at least for building Sage it is blacklisted. So I would 
suggest updating gcc by using some more recent XCode and trying again.



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