[Bug 837221] Re: "Variable referenced before initialization" using Cython 0.15 to compile extensions

[Launchpad Bug Tracker]

This bug was fixed in the package bzr - 2.5.0~beta2-0ubuntu1

---------------
bzr (2.5.0~beta2-0ubuntu1) precise; urgency=low

  * New upstream release.
   + Fixes compatibility with cython 0.15. LP: #837221
   + Fixes handling of timestamps in diffs for absent files in working tree.
     LP: #847435
   + Fixes overflow error in dirstate when dealing with large files.
     LP: #683191
  * Merge from Debian.  Remaining changes:
   + Drop build dependencies on python-{subunit,meliae,lzma,medusa}, which are
     not in main.
   + Disable support for running selftest in parallel (requires subunit).
 -- Jelmer Vernooij <jelmer at debian.org>   Fri, 04 Nov 2011 22:55:11 +0100

** Changed in: bzr (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/837221

Title:
  "Variable referenced before initialization" using Cython 0.15 to
  compile extensions

Status in Bazaar Version Control System:
  Fix Released
Status in Bazaar 2.4 series:
  Fix Released
Status in “bzr” package in Ubuntu:
  Fix Released
Status in “bzr” source package in Oneiric:
  Fix Committed

Bug description:
  I did a test build, upgrading to Cython 0.15 (the current latest).
  They changed the code so that now variables are no longer implicitly
  initialized. eg:

  cdef foo

  if foo is not None:
  ...

  In earlier Cython (and Pyrex) objects were always initialized to None,
  and other variables to a reasonable default (pointers to NULL, etc).

  The one bit I investigated was spurious, the variable was being set by
  a function call as an 'out' parameter. However, there were about 10
  warnings, and it would be nice to be warning free.

  This would apply to older versions of bzr as well, since the windows
  build host uses the same version of Cython across all versions.

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