Bug#1006302: beav: reproducible-builds: BuildId differences in /usr/bin/beav caused by build paths.

[Vagrant Cascadian]

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

The Build ID for /usr/bin/beav varies depending on the build path:

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

  Build·ID:·b98458c1b98af30cedde216318ef9d49db589091
  vs.
  Build·ID:·84365d92cbb6e196f85314ed4e72a254acdad00d


The attached patch to debian/rules fixes this by passing
-ffile-prefix-map via CFLAGS.


Alternately, updating the packaging to use dh/debhelper at a recent
compat level would also likely fix this.


There is one other outstanding issue with embedded timestamps (#777287)
that triggers reproducibility issues, but with both patches applied,
beav should build reproducibly on tests.reproducible-builds.org!


Given that Sam Hocevar is on the lowNMU list and hasn't responded to the
other patches on this package for some years, I plan to upload an NMU to
fix this soon.


live well,
  vagrant
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