On Jul 4, 12:13 pm, "Dr. David Kirkby" <david.kir...@onetel.net>
wrote:
> True, which is why I can't tell for 100% sure if
> http://trac.sagemath.org/sage_trac/ticket/488
> and
> http://bugs.python.org/issue1204
> are related or not. My gut feeling is they are unrelated.

I'm pretty sure they are the same. This post

http://groups.google.com/group/sage-devel/msg/b9fdd1c4c23c0161

mentions an immediate crash when using readline on itanium. The
analysis on

http://bugs.python.org/issue1204

is that readline on itanium crashes immediately when tab-completing
because of some symbol lookup issue. The correct fix is to modify
autotools to link to the correct readline. The (older) sage patch
lobotomizes the tab-completion code to achieve the same thing in a
highly non-portable way. Since it mucks around at the wrong place it
doesn't even collide with the patch for the correct fix.

Somebody with access to an itanium machine should try building sage
without the patch ;-)

Volker

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