Debian Bug report logs - #1003999
leatherman: reproducible-builds: BuildId differences triggered by RPATH

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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: leatherman: reproducible-builds: BuildId differences triggered by RPATH

Date: Tue, 18 Jan 2022 20:58:55 -0800

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

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

The RPATH contains the build path resulting in different buildid:

  https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/leatherman.html

The attached patch to debian/rules passes
-DCMAKE_BUILD_RPATH_USE_ORIGIN=ON via a dh_auto_configure override,
which should use a relative path for RPATH.

Alternately, updating the packaging to debhelper compat level 14 should
fix this, although it is currently an experimental compat level.

With this patch applied, leatherman should build reproducibly on
tests.reproducible-builds.org!

Thanks for maintaining leatherman!

live well,
  vagrant

[0001-debian-rules-Pass-DCMAKE_BUILD_RPATH_USE_ORIGIN-ON-v.patch (text/x-diff, inline)]

From ee735499e8bbf0d7e46a2c36c447ddbba0e7460d Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Wed, 19 Jan 2022 04:57:12 +0000
Subject: [PATCH] debian/rules: Pass -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON via
 dh_auto_configure override.

This avoids embedding the full path in RPATH, which triggers BuildId
differences.

https://tests.reproducible-builds.org/debian/issues/unstable/cmake_rpath_contains_build_path_issue.html
---
 debian/rules | 1 +
 1 file changed, 1 insertion(+)

diff --git a/debian/rules b/debian/rules
index 3d4a8b1..cedba84 100755
--- a/debian/rules
+++ b/debian/rules
@@ -14,6 +14,7 @@ export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 override_dh_auto_configure:
 	dh_auto_configure -- -DCMAKE_LIBRARY_PATH=$(DEB_HOST_MULTIARCH) \
 	                     -DLEATHERMAN_SHARED=ON \
+	                     -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON \
 			     -DENABLE_CXX_WERROR=OFF
 
 override_dh_auto_test:
-- 
2.34.1

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