#4643: build system uses leftover .so files
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 Reporter:  craigcitro  |       Owner:  mabshoff  
     Type:  defect      |      Status:  new       
 Priority:  minor       |   Milestone:  sage-3.2.1
Component:  build       |    Keywords:            
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 As it stands, if you remove a Cython extension from `module_list.py`, and
 remove all associated files in the sage library, everything builds fine.
 However, the `.so` files are still there. In particular, if you try to
 load a pickled object from a class that was defined in that `.pyx` file,
 it still loads just fine -- in fact, it loads the `.so` and uses that
 code.

 Unfortunately, I don't see an easy fix for this offhand. The problem is
 that we don't manage the `.so` files ourselves -- we leave that to
 distutils. If someone has a good idea for how to fix this, I'm happy to
 help implement it.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4643>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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