Bug#990254: openmpi: reproducible builds: Embeds build username and hostname in binaries

[Vagrant Cascadian]

Source: openmpi
Severity: normal
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: username hostname
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

The build username and build system hostname are embedded in binaries
shipped in openmpi:

  https://tests.reproducible-builds.org/debian/rb-pkg/bullseye/amd64/diffoscope-results/openmpi.html

  ./usr/bin/ompi_info

  ionos11-amd64
  vs.
  i-capture-the-hostname

  pbuilder1
  vs.
  pbuilder2

The attached patch fixes this by setting USER and HOSTNAME from
debian/rules, as documented in the upstream README.


This patch does not address all reproducibility issues in openmpi
(e.g. build paths), though applying it reduces the diff for the
remaining issues.


Thanks for maintaining openmpi!


live well,
  vagrant
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