[Bug 221880] lang/gcc5: py-numpy/python2.7 core dump on FreeBSD 11.1-RELEASE amd64

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221880

Martin Birgmeier <la5lbtyi at aon.at> changed:

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                 CC|                            |la5lbtyi at aon.at

--- Comment #3 from Martin Birgmeier <la5lbtyi at aon.at> ---
I have a hunch that building py-numpy with gcc produces bad code which leads to
coredumps. For example, since several months I cannot build py-matplotlib
consistently any more - on most machines it fails, on one it succeeds. And
graphics/qgis always dies with a signal 11.

See bug #221622.

And yes, I have already upgraded to gcc6, and it is the same - py-matplotlib
cannot be recompiled except on one machine, and graphics/qgis (freshly
recompiled) dies with a signal 11 after a few seconds.

It would be interesting to have a py-numpy port which does not pull in gcc6 but
rather uses the system's clang (which should be capable enough on 11.1).

As a first try, running

    python2.7 setup.py build -j 4 install --prefix /tmp/z

seems to compile o.k. (but not install due to complaints about PYTHONPATH).

So, could the maintained of py-numpy create a version of the port which does
not use gcc?

-- Martin

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