[MERGE][bug 276868] Blacklist pyrex 0.9.4.1

[Matt Nordhoff]

John Arbash Meinel wrote:
> It seems that pyrex 0.9.4.1 fails to properly compile the new iter_changes
> code that Robert wrote. The code it generates re-uses a "local" pointer and
> calls "PY_DECREF" after having set it to NULL. (It mixes PY_XDECREF which is
> NULL safe with PY_DECREF which is not.)
> 
> This just adds an explicit blacklist for all pyrex compilers <0.9.6.0 for that
> extension.
> 
> One alternative is to set "have_pyrex = False" instead, and issue a note that
> we won't generate any of the .c files for old versions of pyrex.
> 
> For now, this was the "minimal" change I could do.
> 
> Thoughts?
> 
> John
> =:->

Hey, I'm on Pyrex 0.9.5.1a-1 (Gutsy, yes I'm lazy) and don't have any
problems (aside from some compiler warnings). Why are you blacklisting it?

(OTOH, I've never *tested* btrees.. Hmm..)
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