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After 4 years discussion and debugging, we conclude that Python 3 is
deeply broken in parallel builds for anything involving compiling of
C/C++/fortran code. The problem is universal, regardless how
dev-python/numpy is built.
Numpy and scipy upstream cannot do anything about this. We bite the
bullet and disable parallel build of scipy completely.
Thanks to all who have contributed to this heroic marathon
debugging. We regret that only a workaround can be provided at this
moment.
Credit: Andrés Becerra Sandoval, Hendrik v. Raven, younky.yang@yahoo.com
Credit: matoro, Denis Descheneaux, Mathy Vanvoorden, email200202@yahoo.com
Credit: jon R-B, Anton Kochkov, Jonas Stein, edes, David Duchesne
Credit: thulle, Mathy Vanvoorden, Sasha Medvedev, rtgiskard@gmail.com
Credit: Lukasz Ligowski, Zentoo, Jouni Kosonen, Neil, Harris Landgarten
Credit: Markus Oehme, Andreas Proteus
Suggested-By: François Bissey, Arfrever Frehtes Taifersar Arahesis
Reference: https://github.com/numpy/numpy/issues/13080
Reference: https://github.com/scipy/scipy/issues/7112
Closes: https://bugs.gentoo.org/614464
Package-Manager: Portage-2.3.79, Repoman-2.3.18
Signed-off-by: Benda Xu <heroxbd@gentoo.org>
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Roy Bamford
Benda Xu
Michał Górny
David Seifert
Jason Zaman
GitWeb