#17657: Upgrade to Cython 0.22
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       Reporter:  jdemeyer           |        Owner:
           Type:  enhancement        |       Status:  positive_review
       Priority:  major              |    Milestone:  sage-6.5
      Component:  packages:          |   Resolution:
  standard                           |    Merged in:
       Keywords:                     |    Reviewers:  Robert Bradshaw
        Authors:  Jeroen Demeyer     |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  c4a9d24f22cdb833b9a98748008482ae517ef270
  u/jdemeyer/ticket/17657            |     Stopgaps:
   Dependencies:                     |
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Comment (by vbraun):

 btw this breaks upgrading, if you don't manually run `sage -ba` then
 compilation fails because not all cython files are regenerated.
 {{{
 build/cythonized/sage/algebras/letterplace/letterplace_ideal.cpp: In
 function 'void* __pyx_f_4sage_3ext_6memory_check_allocarray(size_t,
 size_t)':
 build/cythonized/sage/algebras/letterplace/letterplace_ideal.cpp:5507:60:
 error: 'mul_overflowcheck' was not declared in this scope
    __pyx_v_n = mul_overflowcheck(__pyx_v_nmemb, __pyx_v_size);
 }}}
 The cython version should probably also be considered in `sage -b`. If you
 want to work on that do it in a separate ticktet, this is already merged.

--
Ticket URL: <http://trac.sagemath.org/ticket/17657#comment:17>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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