Debian Bug report logs - #1001854
freediameter: 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: freediameter: reproducible-builds: BuildId differences triggered by RPATH

Date: Fri, 17 Dec 2021 12:21:16 -0800

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

Source: freediameter
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/freediameter.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.

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

Thanks for maintaining freediameter!

live well,
  vagrant

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

From dfee701c99223408da7779ea71a066b1139e0f7a Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Fri, 17 Dec 2021 20:18:46 +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/build_id_differences_only_issue.html
---
 debian/rules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debian/rules b/debian/rules
index 541f9fc..d036869 100755
--- a/debian/rules
+++ b/debian/rules
@@ -19,7 +19,7 @@ arch = $(shell dpkg-architecture -qDEB_BUILD_ARCH)
 	dh $@
 
 override_dh_auto_configure:
-	dh_auto_configure -- -DLIB_INSTALL_DIR=lib/$(DEB_HOST_MULTIARCH)
+	dh_auto_configure -- -DLIB_INSTALL_DIR=lib/$(DEB_HOST_MULTIARCH) -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON
 
 override_dh_strip:
 	dh_strip
-- 
2.30.2

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