#8278: cygwin: cvxopt doesn't work at all
----------------------+-----------------------------------------------------
   Reporter:  was     |       Owner:  tbd       
       Type:  defect  |      Status:  new       
   Priority:  major   |   Milestone:  sage-4.3.3
  Component:  cygwin  |    Keywords:            
     Author:          |    Upstream:  N/A       
   Reviewer:          |      Merged:            
Work_issues:          |  
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 Using either cvxopt-0.9.p8 (in sage-4.3.3) or cvxopt-1.1.2.p2, which is at
 http://boxen.math.washington.edu/home/schilly/sage/spkg/, we get this huge
 error very quickly upon trying to build:

 {{{
 building 'base' extension
 creating build/temp.cygwin-1.7.1-i686-2.6
 creating build/temp.cygwin-1.7.1-i686-2.6/C
 gcc -fno-strict-aliasing -DNDEBUG -g -O3 -Wall -Wstrict-prototypes
 -I/home/wstein/build/sage-4.3.3.alpha0/local/include/python2.6 -c C/base.c
 -o build/temp.cygwin-1.7.1-i686-2.6/C/base.o
 In file included from C/base.c:23:
 C/cvxopt.h:29:21: error: complex.h: No such file or directory
 In file included from C/base.c:24:
 C/misc.h:29: error: expected specifier-qualifier-list before ‘complex’
 C/base.c:58: error: ‘complex’ undeclared here (not in a function)
 C/base.c: In function ‘write_znum’:
 }}}

 IDEAS:

  1. Look for complex.h on this page:
 http://www.cygwin.com/ml/cygwin/2006-07/threads.html#00763  That has some
 ideas.

  2. I think Mike Hansen said that he recently released (then unreleased!?)
 numpy-1.4 had a drop-in complex.h?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8278>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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