[SciPy-dev] scipy.test() failures

[Neil Killeen]

Hi all

can anyone make any suggestions; is this the right list
for this question ?

thanks
Neil

On 23/10/2009, at 9:23 AM, Neil Killeen wrote:

> Hi all
>
>
>
> - I am operating on an SGI Altix 3700 BX2 Itanium IA64 system  
> running SUSE/Novelle Linux SLES10
> - I am trying to install scipy V 0.7.1
> - I am using python 2.4
> - blas and lapack are installed via system rpms in /usr/lib
>
>
> soma:/usr/lib # ls -al *blas* *lapack*
> -rw-r--r-- 1 root root   929506 2007-04-14 02:16 libblas.a
> lrwxrwxrwx 1 root root       12 2008-03-12 12:20 libblas.so ->  
> libblas.so.3
> lrwxrwxrwx 1 root root       16 2008-03-12 12:20 libblas.so.3 ->  
> libblas.so.3.0.0
> -rwxr-xr-x 1 root root   678024 2007-04-14 02:16 libblas.so.3.0.0
> lrwxrwxrwx 1 root root       20 2008-12-02 22:52 libgslcblas.so.0 ->  
> libgslcblas.so.0.0.0
> -rwxr-xr-x 1 root root   908816 2007-04-14 02:30 libgslcblas.so.0.0.0
> -rw-r--r-- 1 root root 11208466 2007-04-14 02:16 liblapack.a
> lrwxrwxrwx 1 root root       14 2008-03-12 12:20 liblapack.so ->  
> liblapack.so.3
> lrwxrwxrwx 1 root root       18 2008-03-12 12:20 liblapack.so.3 ->  
> liblapack.so.3.0.0
> -rwxr-xr-x 1 root root  7503568 2007-04-14 02:16 liblapack.so.3.0.0
>
>
>
>
> 1. I did a vanilla build (python setup.py build/install) which  
> appeared to work ok.
>
> 2. When I tried to run scipy.test()  I saw errors.  They are in two  
> categories:
>
>  ERROR: Failure: ImportError (/usr/local/lib/python2.4/site-packages/ 
> scipy/linalg/fblas.so: undefined symbol: srotmg_)
>
> and
>
> ImportError: cannot import name {linalg, calc_lwork}
>
> Perhaps the latter are due to the former ?
>
>
> 3. I read in the FAQ that the solution to the srotmg error is to  
> install blas myself either from netlib or via ATLAS
>
> 4. I decided to do the easy thing and installed blas from netlib in / 
> usr/local/lib/libblas.a
>
> 5. I then deleted the scipy installation (/usr/local/lib/python2.4/ 
> site-packges/scipy)  and rebuilt and installed afresh.
>
>  In the build log one can see that it appears to have found the /usr/ 
> local/lib/libblas.a library
>
>   E.g.
>
> blas_info:
> FOUND:
>  libraries = ['blas']
>  library_dirs = ['/usr/local/lib']
>  language = f77
>
> FOUND:
>  libraries = ['blas']
>  library_dirs = ['/usr/local/lib']
>  define_macros = [('NO_ATLAS_INFO', 1)]
>  language = f77
>
>
>
>
> 6. Then I
>  - set env variable BLAS=/usr/local/lib/libblas.a   (not sure useful  
> since static library so should be no run-time dependency)
>  - ran the test again with the same errors resulting as the initial.
>
>
> Can someone advise what more I must do to eradicate these run-time  
> errors ?
>
>
> thanks
> Neil
>
> p.s. tried to post this last week but message did not arrive  
> (perhaps as I included attachments
> which I have left off this time)