#17851: Nuke Cython cache when Cython version changes
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Reporter: jdemeyer | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.6
Component: build | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: Reported | Work issues:
upstream. No feedback yet. | Commit:
Branch: | 98a581300ec495b9c39ebe3484f407a491f8bb95
u/jdemeyer/nuke_cython_cache_when_cython_version_changes| Stopgaps:
Dependencies: |
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Changes (by jdemeyer):
* status: needs_review => needs_work
Old description:
> We already rebuild everything when the Cython version or options like
> 'debug' change, but because of Cython caching, that might not be
> sufficient. We should also delete all cache, such that everything is re-
> cythonized for sure.
>
> This is needed to work-around [http://trac.cython.org/ticket/842]
New description:
I have been working a lot on Cython-related tickets lately and I cannot
count anymore the number of times a problem would go away after doing
{{{
$ rm -rf ~/.cycache
}}}
Conclusion: cycache is too broken and we should disable it.
In particular, the following two bugs are very nasty:
* [http://trac.cython.org/ticket/842]
* [http://trac.cython.org/ticket/844]
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Ticket URL: <http://trac.sagemath.org/ticket/17851#comment:14>
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