#11674: np.dot of two numeric matrices segfaults sage.
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Reporter: mister.wardrop | Owner: jason, jkantor
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.7.1
Component: numerical | Keywords: ATLAS segfault matrix numpy
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by leif):
Replying to [comment:27 mister.wardrop]:
> I think it would be solved by adding -ldl to the end of the compiler
command; I'm just not sure where to do that in the Sage automated install.
Whoops, we already had some trouble with Singular (including race
conditions in parallel builds) and fixed a lot, but I've never seen this
before.
`configure` should notice whether `-ldl` is necessary (on Linux always
AFAIK), and add that.
If you're not going to touch the Singular spkg itself, adding `-ldl` to
`LDFLAGS` could help (and shouldn't hurt otherwise, though a bit odd), but
I don't know whether it'll be added in the right position to solve the
problem.
You can try:
{{{
#!sh
env LDFLAGS=-ldl ./sage -i spkg/standard/singular-*
# and if that worked, continue with
make
}}}
P.S.: Are you building Sage 4.7 or a later devel release (4.7.1.*)?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11674#comment:29>
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