Debian Bug report logs - #1020725
snapper: reproducible-builds: Embedded build path in example Makefile

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Vagrant Cascadian <vagrant@reproducible-builds.org>

To: submit@bugs.debian.org

Subject: snapper: reproducible-builds: Embedded build path in example Makefile

Date: Sun, 25 Sep 2022 13:01:01 -0700

[Message part 1 (text/plain, inline)]

Source: snapper
Severity: normal
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: buildpath
X-Debbugs-Cc: reproducible-bugs@lists.alioth.debian.org

The build path is embedded in
/usr/share/doc/libsnapper-dev/examples/Makefile:

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

  ACLOCAL·=·${SHELL}·'/build/1st/snapper-0.10.2/missing'·aclocal-1.16
  vs.
  ACLOCAL·=·${SHELL}·'/build/2/snapper-0.10.2/2nd/missing'·aclocal-1.16

The attached patch fixes this in debian/rules by removing the Makefile
in a dh_installexamples override. Removing the Makefile seems better
than sanitizing the build path, as in order to use it, one would have to
regenerate it from the provided Makefile.in or Makefile.am to match the
running system.

With this patch applied (and another recently submitted to fix usrmerge
issues) snapper should build reproducibly on
tests.reproducible-builds.org!

Thanks for maintaining snapper!

live well,
  vagrant

[0002-debian-rules-Add-dh_installexamples-override-to-remo.patch (text/x-diff, inline)]

From bfce7a9e7d00177d4ff7c3b5e4e9a12457d49149 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Sun, 25 Sep 2022 19:37:56 +0000
Subject: [PATCH 2/2] debian/rules: Add dh_installexamples override to remove
 an example Makefile containing build paths.

This file may need to be regenerated from Makefile.am or Makefile.in
to match the system on which it is being run.

https://reproducible-builds.org/docs/build-path/
---
 debian/rules | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/debian/rules b/debian/rules
index 241b9bb..161bad8 100755
--- a/debian/rules
+++ b/debian/rules
@@ -36,6 +36,11 @@ override_dh_auto_install:
 	# Cleanup examples
 	make -C examples clean
 
+override_dh_installexamples:
+	dh_installexamples
+	# Remove example Makefile which contains build path for reproducible builds
+	rm -f debian/libsnapper-dev/usr/share/doc/libsnapper-dev/examples/Makefile
+
 override_dh_compress:
 	dh_compress -X.c -X.cc -X.h -X.hpp -X.am
 
-- 
2.37.2

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