Bug#1024399: xrprof: reproducible-builds: build path embedded in /usr/bin/xrprof

[Vagrant Cascadian]

Source: xrprof
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/bin/xrprof:

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

  /build/1st/xrprof-0.3.1/src/xrprof.c:71
  vs.
  /build/2/xrprof-0.3.1/2nd/src/xrprof.c:71

The attached patch to debian/rules fixes this by passing the default
CFLAGS to dh_auto_build, which includes the -ffile-prefix-map argument.

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

Thanks for maintaining xrprof!

live well,
  vagrant
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