#13415: Prevent unneeded rebuilding when upgrading
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.4
Component: build | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: #13395, #13392 | Stopgaps:
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Description changed by jdemeyer:
Old description:
> Since (almost) every package depends on `patch` and `bzip2`, an update of
> either of these packages causes a rebuild of everything when upgrading.
>
> An update of `prereq` even causes everything to be built twice(!) when
> upgrading (the new prereq script is only seen after the new root repo is
> installed, so the second `sage-upgrade` run for double-checking when
> install the new prereq and therefore rebuild everything).
>
> We should simply remove dependencies of packages on `PREREQ`, `BZIP2` and
> `PATCH` and build those packages separately.
New description:
Since (almost) every package depends on `patch` and `bzip2`, an update of
either of these packages causes a rebuild of everything when upgrading.
An update of `prereq` even causes everything to be built twice(!) when
upgrading (the new prereq script is only seen after the new root repo is
installed, so the second `sage-upgrade` run for double-checking will
install the new `prereq` and therefore rebuild everything).
We should simply remove dependencies of packages on `PREREQ`, `BZIP2` and
`PATCH` and build those packages separately.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13415#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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