[Numpy-discussion] mkl 10.3 linking - undefined symbol: i_free?

Matthieu Brucher matthieu.brucher@gmail....
Sun Feb 13 08:07:51 CST 2011


Hi,

This pops up regularly here, you can search with Google and find this page:
http://matt.eifelle.com/2008/11/03/i-used-the-latest-mkl-with-numpy-and/

Matthieu

2011/2/13 Andrzej Giniewicz <gginiu@gmail.com>

> Hello,
>
> I'd like to ask if anyone got around the undefined symbol i_free
> issue? What I did was that I used link advisor from
> file:///home/giniu/Downloads/MKL_Linking_Adviser-1.03.htm and it told
> me to use
>
> -L$MKLPATH $MKLPATH/libmkl_solver_lp64.a -Wl,--start-group
> -lmkl_gf_lp64 -lmkl_gnu_thread -lmkl_core -Wl,--end-group -fopenmp
> -lpthread
>
> So I created site.cfg like:
>
> library_dirs = /opt/intel/composerxe-2011.2.137/mkl/lib/intel64
> include_dirs = /opt/intel/composerxe-2011.2.137/mkl/include
> mkl_libs = mkl_gf_lp64, mkl_gnu_thread, mkl_core
> lapack_libs = mkl_lapack95_lp64
>
> and added -fopenmp to LDFLAGS. Numpy built, then I was able to
> install. I started python and imported numpy, and till this point it
> worked. When I tried to run numpy.test() and got:
>
> Running unit tests for numpy
> NumPy version 1.5.1
> NumPy is installed in /usr/lib/python2.7/site-packages/numpy
> Python version 2.7.1 (r271:86832, Feb  7 2011, 19:39:54) [GCC 4.5.2
> 20110127 (prerelease)]
> nose version 1.0.0
> .
>
> *** libmkl_def.so *** failed with error :
> /opt/intel/composerxe-2011.2.137/mkl/lib/intel64/libmkl_def.so:
> undefined symbol: i_free
> MKL FATAL ERROR: Cannot load libmkl_def.so
>
> Anyone who got this working could give me some hint about how to get
> around it? I would be grateful
>
> Cheers,
> Andrzej.
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-- 
Information System Engineer, Ph.D.
Blog: http://matt.eifelle.com
LinkedIn: http://www.linkedin.com/in/matthieubrucher
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