On 01/22/2012 07:36 PM, Paulo César Pereira de Andrade wrote:

   Since the problem appears to be related to linbox ...

It was related to linbox.  My "fix" using sed wasn't working.

What I did was to rebuild linbox. I removed any reference to -DDISABLE_COMMENTATOR (which I did by hacking commentator.h so that -DDISABLE_COMMENTATOR had no effect). Then I found I had to remove the patch to commentator.C that is in patches, so that "Commentator commentator" is no longer commented out.

Then it worked.  sage doesn't crash on exit!!!

I think there is a real problem with linbox and linboxsage both containing different versions of the same function (namely ~Commentator). I have had prior experience with this, and this sort of thing seems to bite FreeBSD when other OS's don't get bit at all.

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