#13689: Fix upgrading from relocated Sage with GCC
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       Reporter:  jdemeyer        |         Owner:  GeorgSWeber 
           Type:  defect          |        Status:  needs_review
       Priority:  blocker         |     Milestone:  sage-5.4.1  
      Component:  build           |    Resolution:              
       Keywords:                  |   Work issues:              
Report Upstream:  N/A             |     Reviewers:              
        Authors:  Jeroen Demeyer  |     Merged in:              
   Dependencies:                  |      Stopgaps:              
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Description changed by jdemeyer:

Old description:

> It seems the old version of `sage-location` does not properly fix GCC,
> leading to problems with upgrading in the following scenario:
>  1. install sage-5.3 from source, including Sage's GCC
>  2. relocate Sage
>  3. rebuild PPL
>  4. rebuild !LinBox
>
> The `sage-location` in `sage-5.4.1.rc0` does things properly, but that's
> not sufficient for upgrading.

New description:

 Older versions of `sage-location` (before #13397) do not properly fix GCC,
 leading to problems with upgrading in the following scenario:
  1. install sage-5.3 from source, including Sage's GCC
  2. relocate Sage
  3. rebuild PPL
  4. rebuild !LinBox

 The `sage-location` in `sage-5.4.1.rc0` does things properly, but that's
 not sufficient for upgrading.

--

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13689#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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