[Debian-med-packaging] Bug#977435: bowtie2: reproducible builds: Embeds timestamp in build

[Vagrant Cascadian]

Source: bowtie2
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 debugging symbols embed the build time:

  https://tests.reproducible-builds.org/debian/rb-pkg/bullseye/amd64/diffoscope-results/bowtie2.html

  ./usr/lib/debug/.dwz/x86_64-linux-gnu/bowtie2.debug 
  501 	··[··2df6]··BUILD_TIME·"Thu·Dec·10·16:47:13·UTC·2020"
  504 	··[··2f02]··BUILD_TIME·"Thu·Jan·13·00:06:51·UTC·2022"

The attached patch fixes this by adjusting the Makefile to have date to
produce a consistent timestamp using SOURCE_DATE_EPOCH.


Thanks for maintaining bowtie2!


live well,
  vagrant
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