Bug#911022: flann breaks hugin autopkgtest: undefined symbol: LZ4_resetStreamHC

[Paul Gevers]

Source: flann, hugin
Control: found -1 flann/1.9.1+dfsg-4
Control: found -1 hugin/2018.0.0+dfsg-2
X-Debbugs-CC: debian-ci at lists.debian.org
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainers,

With a recent upload of flann the autopkgtest of hugin fails in testing
when that autopkgtest is run with the binary packages of flann from
unstable. It passes when run with only packages from testing. In tabular
form:
                       pass            fail
flann                  from testing    1.9.1+dfsg-5
hugin                  from testing    2018.0.0+dfsg-2
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is contributing to the delay of the migration
of flann to testing [1]. Due to the nature of this issue, I filed this
bug report against both packages. Can you please investigate the
situation and reassign the bug to the right package? If needed, please
change the bug's severity.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=flann

https://ci.debian.net/data/autopkgtest/testing/amd64/h/hugin/1147314/log.gz

autopkgtest [16:37:00]: test simple.pano.test: [-----------------------
Generating pto file...
Reading /tmp/tmp.ZePC1LACt6.hugin/left.jpeg...
Reading /tmp/tmp.ZePC1LACt6.hugin/right.jpeg...

Assigned 1 lenses.

Written output to /tmp/tmp.ZePC1LACt6.hugin/pano.pto
cpfind: symbol lookup error: cpfind: undefined symbol: LZ4_resetStreamHC
autopkgtest [16:37:00]: test simple.pano.test: -----------------------]

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