On Thu, Nov 26, 2009 at 6:53 PM, David Warde-Farley <d...@cs.toronto.edu>wrote:
> It seems like I've done this enough times on enough machines but I'm > still running into problems... > > After installing what I'm pretty sure is a complete ATLAS+LAPACK and > building numpy against it (appropriately editing site.cfg, etc.) I'm > faced with this when building numpy-1.3.0: > > d...@mirage:~/tmp$ python > Python 2.6.4 (r264:75706, Nov 2 2009, 14:44:17) > [GCC 4.4.1] on linux2 > Type "help", "copyright", "credits" or "license" for more information. > >>> import numpy > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File "/home/dwf/virtualenv/stable/lib/python2.6/site-packages/numpy/ > __init__.py", line 130, in <module> > import add_newdocs > File "/home/dwf/virtualenv/stable/lib/python2.6/site-packages/numpy/ > add_newdocs.py", line 9, in <module> > from lib import add_newdoc > File "/home/dwf/virtualenv/stable/lib/python2.6/site-packages/numpy/ > lib/__init__.py", line 13, in <module> > from polynomial import * > File "/home/dwf/virtualenv/stable/lib/python2.6/site-packages/numpy/ > lib/polynomial.py", line 18, in <module> > from numpy.linalg import eigvals, lstsq > File "/home/dwf/virtualenv/stable/lib/python2.6/site-packages/numpy/ > linalg/__init__.py", line 47, in <module> > from linalg import * > File "/home/dwf/virtualenv/stable/lib/python2.6/site-packages/numpy/ > linalg/linalg.py", line 22, in <module> > from numpy.linalg import lapack_lite > ImportError: /home/dwf/virtualenv/stable/lib/python2.6/site-packages/ > numpy/linalg/lapack_lite.so: undefined symbol: dlamc3_ > > FWIW these are the files that ATLAS has installed: > > d...@mirage:~/Downloads$ ls /opt/sw/ATLAS/lib/ -al > total 23472 > drwxr-xr-x 2 root root 4096 2009-11-26 20:36 . > drwxr-xr-x 4 root root 4096 2009-11-26 20:36 .. > -rw-r--r-- 1 root root 12963138 2009-11-26 20:36 libatlas.a > -rw-r--r-- 1 root root 466244 2009-11-26 20:36 libcblas.a > -rw-r--r-- 1 root root 572812 2009-11-26 20:36 libf77blas.a > -rw-r--r-- 1 root root 8979016 2009-11-26 20:36 liblapack.a > -rw-r--r-- 1 root root 466678 2009-11-26 20:36 libptcblas.a > -rw-r--r-- 1 root root 573196 2009-11-26 20:36 libptf77blas.a > > liblapack.a looks big enough for it to be a complete LAPACK. > > ATLAS (3.9.17) was configured with the following: > > ../configure -Ss kern /usr/bin/gcc-4.2 --prefix=/opt/sw/ATLAS --with- > netlib-lapack-tarfile=/home/dwf/tmp/lapack-lite-3.1.1.tgz -Fa alg - > fPIC -D c -DPentiumCPS=2668 -t 4 -b 64 > > I never had luck with the netlib-lapack-tarfile=<file> option, it didn't build lapack correctly. Try doing them separately. Chuck
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