[SciPy-dev] scipy.sparse + umfpack + system_info

Nils Wagner nwagner at iam.uni-stuttgart.de
Mon Apr 10 07:30:40 CDT 2006


Robert Cimrman wrote:
> Nils Wagner wrote:
>   
>> Hi Robert,
>>
>> The problem persists with version 4.4
>> Am I missing something ?
>>
>>  >>> import scipy
>> import linsolve.umfpack -> failed: 
>> /usr/lib64/python2.4/site-packages/scipy/linsolve/umfpack/__umfpack.so: 
>> undefined symbol: e_wsfe
>>
>> umfpack_info:
>>     libraries = ['umfpack', 'amd', 'f77blas', 'cblas', 'atlas']
>>     library_dirs = ['/usr/local/src/UMFPACKv4.4/UMFPACK/Lib', 
>> '/usr/local/src/UMFPACKv4.4/AMD/Lib', '/usr/local/lib/atlas']
>>     define_macros = [('SCIPY_UMFPACK_H', None), ('SCIPY_AMD_H', None), 
>> ('ATLAS_INFO', '"\\"3.7.11\\""')]
>>     swig_opts = ['-I/usr/local/src/UMFPACKv4.4/UMFPACK/Include', 
>> '-I/usr/local/src/UMFPACKv4.4/AMD/Include']
>>     include_dirs = ['/usr/local/src/UMFPACKv4.4/UMFPACK/Include', 
>> '/usr/local/src/UMFPACKv4.4/AMD/Include']
>> amd_info:
>>     libraries = ['amd']
>>     library_dirs = ['/usr/local/src/UMFPACKv4.4/AMD/Lib']
>>     define_macros = [('SCIPY_AMD_H', None)]
>>     swig_opts = ['-I/usr/local/src/UMFPACKv4.4/AMD/Include']
>>     include_dirs = ['/usr/local/src/UMFPACKv4.4/AMD/Include']
>>
>> Nils
>>     
>
> $ nm -gA /usr/lib/lib* 2> /dev/null | grep e_wsfe
> /usr/lib/libblas.a:xerbla.o:         U e_wsfe
> /usr/lib/libf2c.a:sfe.o:00000130 T e_wsfe
> /usr/lib/liblapack.a:dlamch.o:         U e_wsfe
> /usr/lib/liblapack.a:slamch.o:         U e_wsfe
> /usr/lib/liblapack.a:xerbla.o:         U e_wsfe
>
> so apparently this symbol comes from the f2c library and is used within 
> blas/lapack. Did you specify correctly which BLAS should be used when 
> building and installing umfpack? BTW, if you have matlab and build the 
> umfpack matlab interace which comes along, you could try if umpfack 
> itself works from the matlab command-line.
>
> r.
>
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>   
Hi Robert,

Please find attached my Make.linux.

# 3: with Fortran interface to the ATLAS BLAS
CONFIG =
LIB = -L/usr/local/lib/atlas -lf77blas -latlas -lfrtbegin -lg2c -lm


Is that o.k. ?

Nils

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