#10509: cvxopt: undefined symbol: ilaenv_
----------------------------+-----------------------------------------------
   Reporter:  vbraun        |       Owner:  tbd        
       Type:  defect        |      Status:  new        
   Priority:  major         |   Milestone:  sage-4.6.2 
  Component:  packages      |    Keywords:  ATLAS, BLAS
     Author:  Volker Braun  |    Upstream:  N/A        
   Reviewer:                |      Merged:             
Work_issues:                |  
----------------------------+-----------------------------------------------
 After updating ATLAS (#10508), cvxopt fails with
 {{{
 sage: from cvxopt import lapack
 ---------------------------------------------------------------------------
 ImportError                               Traceback (most recent call
 last)

 /home/vbraun/opt/sage-4.6.1.alpha3-atlas/<ipython console> in <module>()

 ImportError: /home/vbraun/opt/sage-4.6.1.alpha3-atlas/local/lib/python2.6
 /site-packages/cvxopt/lapack.so: undefined symbol: ilaenv_
 }}}

 I've looked into the cvxopt spkg and its `lapack.so` uses the Fortran blas
 function `ilaenv` without linking to f77blas. Adding f77blas to the
 libraries in `setup.py` fixes the undefined symbol error.

 Attached is a patch against `patch/setup.py` to add the extra library.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10509>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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