[Python-modules-team] Bug#457329: python-numpy: potential misbuild of all Fortran built with numpy distutils

Paul Metcalfe paul.metcalfe+debian at gmail.com
Fri Dec 21 16:03:35 UTC 2007


Package: python-numpy
Version: 1:1.0.4-3
Severity: important

Depending on the machine on which they are run, numpy distutils are 
capable of appending -msse2 to the compiler flags of all Fortran code.

[ see numpy/distutils/fcompiler/gnu.py ]

This means that if [say] the canonical scipy package is built on a 
Pentium 4 or better, it may well use instructions that do not work on an 
earlier Pentium.  [Is this a policy violation?]

I am not sure if this is a bug against python-numpy or against 
everything that build-deps on python-numpy.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.22-3-686 (SMP w/1 CPU core)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages python-numpy depends on:
ii  atlas3-base [liblapack 3.6.0-20.6        Automatically Tuned Linear Algebra
ii  atlas3-sse2 [liblapack 3.6.0-20.6        Automatically Tuned Linear Algebra
ii  lapack3 [liblapack.so. 3.0.20000531a-6.1 library of linear algebra routines
ii  libc6                  2.7-4             GNU C Library: Shared libraries
ii  libg2c0                1:3.4.6-6         Runtime library for GNU Fortran 77
ii  libgcc1                1:4.2.2-4         GCC support library
ii  python                 2.4.4-6           An interactive high-level object-o
ii  python-support         0.7.5             automated rebuilding support for p

python-numpy recommends no packages.

-- no debconf information





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