Bug#977179: mlpost: reproducible builds: Embeds build time in various binaries

[Vagrant Cascadian]

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

Various binaries in mlpost contain timestamps from the running build:

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

  /usr/lib/ocaml/mlpost/mlpost.a
  120 Sun·Jan··9·20:01:41·-12·2022	120 Tue·Dec··8·15:41:43·+14·2020


The attached patch fixes this by passing options to the call to date in
configure.in to use the SOURCE_DATE_EPOCH environment variable:

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


Thanks for maintaining mlpost!


live well,
  vagrant
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