Hi Nils,
Thanks, this is helpful.
Is there a straight-forward way in which I can trigger the relocation, I’m
trying to test what goes wrong, so:
1/ I built sage from source, all works as expected
2a/ I move the installation, Sage barks at me.
2b/ However, just starting python from the relocated binary and issuing
>>> from fpylll import *
>>> BKZ.DEFAULT_STRATEGY
'/bulk/home/malb/software/sage-long-path-for-binary-building/local/share/fplll/strategies/default.json'
>>> print
load_strategies_json("/home/malb/projects/lattices/fplll/strategies/default.json")[60]
Strategy< 60, (40), 0.29-0.50>
seems to work.
3/ How do I get the relocation script to run to see if that indeed breaks the
above code?
Sorry, if that should be obvious.
Cheers,
Martin
Nils Bruin <nbr...@sfu.ca> writes:
> If you see a difference in behaviour between binary and source
> distributions, then perhaps it's due to
>
> https://github.com/sagemath/binary-pkg/blob/master/binary_pkg/templates/relocate-once.py
>
> From what I understand, a binary distribution is originally built on a
> rather long and distinctive path, so that a search-and_replace on absolute
> path names should work (and should have enough room to make the
> replacements). Perhaps this is what goes wrong? Perhaps only part of
> fpylll's files are picked up to make replacements on?
>
> It may be worth comparing the files like bkz.so etc. on the binary install
> *before* anything was run and *after*. The mangled path names distinctly
> suggest that some path name rewrite is tried, but that it doesn't succeed
> (although the error might very well originate from your own C++ code --
> that's not so easy for me to see).
--
_pgp: https://keybase.io/martinralbrecht
_www: https://malb.io
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