I now have a segfault
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component of Sage has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Sage will now terminate.
But I think libsingular may be the main point of failure through other
components.
François
> On 7/10/2015, at 15:24, François Bissey <francois.bis...@canterbury.ac.nz>
> wrote:
>
> Hi all OS X sufferers,
>
> I have been working about adding rpath from gcc but it
> turns out it may not be the problem or possibly not the only
> problem.
>
> For some time there has been a known issue that a number of
> components shipped with sage do not set up proper "install_name"
> for their libraries. libsingular is one such library.
>
> The install_name acts as an hint on where to load a library when
> linking. It looks like El Capitan has become more strict about
> this.
>
> Concretely what to try:
> From SAGE_ROOT:
> install_name_tool -id ${SAGE_ROOT}/lib/libsingular.dylib
> local/lib/libsingular.dylib
> Replace ${SAGE_ROOT} explicitly by its value. Once this is done
> sage itself needs to be rebuilt.
> ./sage -ba
>
> There may be more of those lurking. I am rebuilding now.
>
> Francois
>
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