#13324: Upgrade ECL to 12.7.1 and let it build on (recent) Cygwins
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       Reporter:  jpflori                                       |         
Owner:  tbd            
           Type:  defect                                        |        
Status:  needs_review   
       Priority:  major                                         |     
Milestone:  sage-5.6       
      Component:  cygwin                                        |    
Resolution:                 
       Keywords:  cygwin ecl spkg                               |   Work 
issues:                 
Report Upstream:  Fixed upstream, but not in a stable release.  |     
Reviewers:  François Bissey
        Authors:  Jean-Pierre Flori                             |     Merged 
in:                 
   Dependencies:                                                |      
Stopgaps:                 
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Old description:

> On my 1.7.16 installation of Cygwin, the ecl spkg does not build because
> it defines unconditionaly _WINSOCKAPI_ in h/ecl-cmp.h which then prevents
> the definition of fd_set in /usr/include/sys/types.h.
> I guess this is harmless on Linux, intended on Windows, but on Cygwin
> this breaks the build of ECL.
>
> The proposed spkg patches h/ecl-cmp.h so that _WINSOCKAPI_ is not defined
> on CYGWIN.
> This has been merged upstream:
> https://sourceforge.net/p/ecls/ecl/ci/07c4ab7db83eda2eed7fa4a5ddeec2e28c7eb58b/
>
> Moreover comes patches from upstream to get correct signal handling [in
> single threaded mode]:
> *
> http://sourceforge.net/p/ecls/ecl/ci/c4a538dd278407f91f6105ebbeadf1b371c1124f/
> *
> http://sourceforge.net/p/ecls/ecl/ci/15033d5a8ad7297e5f76e2e70446b0eea2f2d2a7/
> *
> http://sourceforge.net/p/ecls/ecl/ci/ec1fe8781a5f137284cc6c0d0cfa6b0cc9b9b291/
>
> We build ECL single threaded to get hopefully more correct signal
> handling in library mode and avoid problems with the pexpect interface.
>
> Try spkg at
> http://boxen.math.washington.edu/home/jpflori/ecl-12.7.1.p0.spkg
> which includes upstream version 12.7.1 and the above fixes.
>
> Apply:
> * [attachment:trac_13324.patch].

New description:

 On my 1.7.16 installation of Cygwin, the ecl spkg does not build because
 it defines unconditionaly _WINSOCKAPI_ in h/ecl-cmp.h which then prevents
 the definition of fd_set in /usr/include/sys/types.h.
 I guess this is harmless on Linux, intended on Windows, but on Cygwin this
 breaks the build of ECL.

 The proposed spkg patches h/ecl-cmp.h so that _WINSOCKAPI_ is not defined
 on CYGWIN.
 This has been merged upstream:
 https://sourceforge.net/p/ecls/ecl/ci/07c4ab7db83eda2eed7fa4a5ddeec2e28c7eb58b/

 Moreover comes patches from upstream to get correct signal handling [in
 single threaded mode]:
 *
 http://sourceforge.net/p/ecls/ecl/ci/c4a538dd278407f91f6105ebbeadf1b371c1124f/
 *
 http://sourceforge.net/p/ecls/ecl/ci/15033d5a8ad7297e5f76e2e70446b0eea2f2d2a7/
 *
 http://sourceforge.net/p/ecls/ecl/ci/ec1fe8781a5f137284cc6c0d0cfa6b0cc9b9b291/

 We build ECL single threaded to get hopefully more correct signal handling
 in library mode and avoid problems with the pexpect interface.

 Try spkg at
 http://boxen.math.washington.edu/home/jpflori/ecl-12.7.1.p0.spkg
 which includes upstream version 12.7.1 and the above fixes.

 Or rather use the spkg including the newly released ECL:
 http://boxen.math.washington.edu/home/jpflori/ecl-12.12.1.p0.spkg

 Apply:
 * [attachment:trac_13324.patch].

--

Comment (by jpflori):

 Tentative updated spkg at
 http://boxen.math.washington.edu/home/jpflori/ecl-12.12.1.p0.spkg

 I guess it would be more sensible to get this new spkg into Sage.
 On the Sage side, the only changes are that I removed the two patches
 backported for 12.7.1.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13324#comment:60>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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