Bug#995020: macaulay2: autopkgtest regression and flaky test: SIGSEGV

[Paul Gevers]

Hi Torrance,

On 25-09-2021 04:56, Torrance, Douglas wrote:
> There's a problem though -- this macaulay2 autopkgtest regression is now
> preventing ntl from migrating to testing! [1]  This seems like a chicken
> and
> egg situation -- we need it to migrate for the tests to pass, but we need
> the tests to pass for it to migrate...

I must confess that transitions aren't perfectly handled by the
migration software (britney) of the release team yet. britney tries to
figure which packages should come from unstable and adds them as pinned
packages, but hasn't any special notion of transitions.

> Is there a good solution for this?

Not yet.

> One very hacky idea would be to upload
> a new macaulay2 package with a very basic autopkgtest that's guaranteed to
> pass for the time being until everything migrates.  Is there a better
> solution?

Yes:
* macaulay2 could (temporarily) add *versioned* test dependencies on
libsingular4m1 and libflint-2.8.0 (then autopkgtest will do the right
thing).
* macaulay2 could add *versioned* dependencies on libsingular4m1 and
libflint-2.8.0
* I could manually trigger the test with the combination.

Let's pick the last option for now and see if it works.

Paul

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