Bug#990862: infinipath-psm: reproducible builds: Embedded timestamps in libpsm_infinipath.so

[Vagrant Cascadian]

Source: infinipath-psm
Severity: normal
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

The build timestamp is embedded in libpsm_infinipath.so.*:

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

  ./usr/lib/libpsm1/libpsm_infinipath.so.1.16

  $Date:·2022-07-17·21:34·InfiniPath·$
  vs.
  $Date:·2021-06-15·17:13·InfiniPath·$

The attached patch fixes this by changing buildflags.mak to set a
BUILD_DATE variable, which uses SOURCE_DATE_EPOCH for the current value
if set, falling back to the current time/date; two Makefiles are also
adjusted to use BUILD_DATE instead of calling "date" directly.

  https://reproducible-builds.org/docs/source-date-epoch/


With this patch applied, infinipath-psm should be reproducible on
tests.reproducible-builds.org in the testing (currently bullseye) suite,
where build paths are not varied. In the unstable/experimental suites,
varied build paths trigger other issues which could use further
exploration.


Thanks for maintaining infinipath-psm!


live well,
  vagrant
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