Bug#1020886: chise-base: reproducible-builds: build path embedded in /usr/bin/chise-base

[Vagrant Cascadian]

Source: chise-base
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 /usr/lib/libchise.so.1.1.0:

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

  /build/1st/chise-base-0.3.0/libchise/chise.c:93
  vs.
  /build/2/chise-base-0.3.0/2nd/libchise/chise.c:93

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

According to my local tests, with this patch applied, chise-base should build
reproducibly on tests.reproducible-builds.org!

Thanks for maintaining chise-base!

live well,
  vagrant
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