[Bug 877286] Re: numpy.distutils.system_info fails to know about new multi-arch library paths /usr/lib/x86_64-linux-gnu and the like

[Julian Taylor]

*** This bug is a duplicate of bug 818867 ***
    https://bugs.launchpad.net/bugs/818867

** This bug has been marked a duplicate of bug 818867
   numpy.distutils provides inaccurate system information for ubuntu-11.10

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https://bugs.launchpad.net/bugs/877286

Title:
  numpy.distutils.system_info fails to know about new multi-arch library
  paths /usr/lib/x86_64-linux-gnu and the like

Status in “python-numpy” package in Ubuntu:
  New

Bug description:
  Building the "Enthought Tools Suite" componenent "Enable" fails on
  Ubuntu 11.10 (and possibly older ones) because
  numpy.distutils.system_info is unable to find the X11-library. The
  problem might generally hit any python source that relies on numpy's
  distutils to locate binary libraries for them.

  I was able to solve it by using a custom "site.cfg" file, it could
  also be solved just as well by updating the default paths directly in
  numpy/distutils/system_info.py.

  Note that in fact I was in fact using a custom built version of the python-numpy package. This was to in order to gain support of a custom built optimised ATLAS. For that I took the exact package sources via "apt-get source atlas python-numpy", built a custom atlas using "debian/rule custom" and then standard python-numpy using a modified site.cfg in order to include ATLAS. Therefore, I never tried to build ETS Enable without any site.cfg. However, upon inspection of the source-code of
  numpy.distutils.system_info, I am quite confident that also without any site.cfg, the mutli-arch library directories are not found.

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