Bug#984845: sofia-sip: reproducible builds: Embeds build path in binaries

[Vagrant Cascadian]

Source: sofia-sip
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 through various uses of __FILE__ in the
sofia-sip code.

The attached patch fixes this by setting CFLAGS in debian/rules using
dpkg-buildflags, which passes the -ffile-prefix-map argument in recent
versions of dpkg. Alternately, upgrading to a recent debhelper compat
level and dh would also probably fix this issue.


Unfortunately, this patch does not resolve all reproducibility issues in
sofia-sip, but the arch:any packages should be fixed by this change,
leaving only sofia-sip-doc unreproducible.

Applying the patch may also make the diffoscope output more reliable, as
it frequently times out comparing builds from unstable:

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


Thanks for maintaining sofia-sip!


live well,
  vagrant
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