Bug#1011470: libapache2-mod-authz-unixgroup: reproducible-builds: embedded build paths in mod_authz_unixgroup.so

[Vagrant Cascadian]

Source: libapache2-mod-authz-unixgroup
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/apache2/modules/mod_authz_unixgroup.so:

  https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/diffoscope-results/libapache2-mod-authz-unixgroup.html

  /build/1st/libapache2-mod-authz-unixgroup-1.1.0/mod_authz_unixgroup.c:174
  vs.
  /build/2/libapache2-mod-authz-unixgroup-1.1.0/2nd/mod_authz_unixgroup.c:174


The attached patch fixes this by passing -ffile-prefix-map to axps2 in
debian/rules, which avoids embedding the build path in compiled files.


With this patch applied, libapache2-mod-authz-unixgroup should build
reproducibly on tests.reproducible-builds.org!


live well,
  vagrant
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