#7438: the graphviz-2.16.1.p0 optional spkg fails to build on several operating
systems.
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       Reporter:  was                 |         Owner:  tbd     
           Type:  defect              |        Status:  new     
       Priority:  major               |     Milestone:  sage-5.9
      Component:  packages: optional  |    Resolution:          
       Keywords:                      |   Work issues:          
Report Upstream:  N/A                 |     Reviewers:          
        Authors:                      |     Merged in:          
   Dependencies:                      |      Stopgaps:          
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Comment (by ncohen):

 > If you want to open a sage-devel discussion about how non-broken
 experimental packages should be, that's fine.

 I don't want to "start debates", again and again, and I don't want to
 debate generally about experimental spkg. We waste our lifetime discussing
 uselessly. Here's where the discussion is happening. I just talk about
 this very spkg, nothing else.

 > In my view - and as you know, I am pretty conservative on such things -
 experimental can be as broken as they want to be. Someone probably does
 have the expertise to fix each of them, and removing them completely means
 no one will even have the chance.

 * Here are the two spkg maintainers : Robert Miller, Michael Abshoff. They
 don't do much development here anymore, do they ?
 * Last update of the spkg : 2008
 * 3 tickets have been created since by people who tried to used it and
 only found this bug

 Conservative as you may be, would you accept to take these elements as
 hints that this spkg is plainly *forgotten*, has no reason to be fixed
 tomorrow, and just makes some developpers a few hours of their life each
 year ?

 We cannot advertise the spkg in the doc, as we cannot hope it to run on
 their machines. Hence, in the *best case*, nobody knows the spkg exist (if
 they do they will probably meet a bug).

 We would be better without this in Sage's list of packages. We would be
 better with a "package no found" message to answer "`sage -i graphviz`".
 It would help users look the right way : this package should be installed
 manually.

 Nathann

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7438#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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