#5522: [with patch; needs work] Fix segfault if libsingular.so can't be found
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Reporter: tabbott | Owner: mabshoff
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.1
Component: packages | Keywords:
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If for some reason libsingular.so doesn't exist, Sage will segfault when
trying to call dlerror() when dlopen() was never called.
I've attached a patch which avoids doing so.
With this patch, however, Sage then segfaults sometime after trying to
raise the ImportError on the next line.
I don't have time to investigate further, but it is easy to reproduce the
condition by just moving aside the libsingular.so and trying to start
sage.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5522>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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