#15136: spkg-install improvements
-------------------------------------------------+-------------------------
       Reporter:  felixs                         |        Owner:
           Type:  enhancement                    |       Status:  new
       Priority:  major                          |    Milestone:  sage-5.12
      Component:  packages: standard             |   Resolution:
       Keywords:  spkg-install idempotence       |    Merged in:
  environment filelist                           |    Reviewers:
        Authors:  Felix Salfelder                |  Work issues:
Report Upstream:  N/A                            |       Commit:
         Branch:  u/felixs/spkg-install          |     Stopgaps:
   Dependencies:  #14750, #14804                 |
-------------------------------------------------+-------------------------
Changes (by felixs):

 * keywords:  spkg-install idempotence environment => spkg-install
     idempotence environment filelist
 * branch:   => u/felixs/spkg-install


Old description:

> The build system #14796 works better with some minor tweaks to some spkg-
> install scripts.
>
> - with idempotence, "keepbuilt" starts to make sense
> - without hardwired paths, compiling with packages disabled (=fallback to
> system) works
> - with environment in `$SAGE_ETC/env.d/*`, run time environment is more
> flexible
>
> these changes are minimal (for each package) and are intended to not
> break the old build system.

New description:

 The build system #14796 works better with some minor tweaks to some spkg-
 install scripts.

 - with idempotence, "keepbuilt" starts to make sense
 - without hardwired paths, compiling with packages disabled (=fallback to
 system) works
 - with environment in `$SAGE_ETC/env.d/*`, run time environment is more
 flexible
 - with a list of files that belong to a package, unstaging is easy.

 these changes are minimal (for each package) and are intended to not break
 the old build system.

--

--
Ticket URL: <http://trac.sagemath.org/ticket/15136#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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