Bug#1022130: tsdecrypt: reproducible-builds: build path embedded in various binaries

[Vagrant Cascadian]

Source: tsdecrypt
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 path is embedded in various binaries:

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

  /usr/bin/tsdecrypt_dvbcsa

  /build/1st/tsdecrypt-10.0/tsdecrypt.c:948
  vs.
  /build/2/tsdecrypt-10.0/2nd/tsdecrypt.c:948

The attached patch to debian/rules fixes this by passing the default
CFLAGS to the two make invocations, which includes -ffile-prefix-map to
avoid embedding build paths.

According to my local tests, with this patch applied, and the patch
submitted in https://bugs.debian.org/829713, tsdecrypt should build
reproducibly on tests.reproducible-builds.org!

If it would be helpful, I would like to NMU with this patch and the
patch from #829713 in the near future in time for bookworm.

Thanks for maintaining tsdecrypt!

live well,
  vagrant
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