Bug#974959: dynare: reproducible builds: autotools generated files contain variable paths and data

[Vagrant Cascadian]

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

In files shipped in dynare, build paths, binary paths and data in
arbitrary order are embedded in a shipped Makefile and data
autom4te.cache/requests file:

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

/usr/src/matlab/dynare-matlab/mex/sources/Makefile contains build paths
(e.g. /build/1st/dynare-4.6.2/ vs. /build/2/dynare-4.6.2/2nd/) and when
built on a usrmerge system vs. a non-usermerge system, binary paths that
vary (e.g. /bin/grep vs. /usr/bin/grep).

/usr/src/matlab/dynare-matlab/mex/build/matlab/autom4te.cache/requests
contains what appears to be the same information but in an undefined
order varies between builds.

I *think* these files would need to be regenerated in order to be used
by the end-user, as the build paths or binary paths embedded in them may
not match the system on which they would be used. If that is correct,
the attached patch removes these files using a debian/rules dh_install
override.


live well,
  vagrant
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