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Bug#1001867: fcitx5-gtk: reproducible-builds: BuildId differences triggered by RPATH



Source: fcitx5-gtk
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/fcitx5-gtk.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, fcitx5-gtk should build reproducibly on
tests.reproducible-builds.org!

Thanks for maintaining fcitx5-gtk!

live well,
  vagrant
From b0412e90df4332d991a4113ad1e7294558784276 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Fri, 17 Dec 2021 23:12:50 +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 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/debian/rules b/debian/rules
index 3028422..29a7e2d 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,3 +4,6 @@ export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 %:
 	dh $@ --with gir
+
+override_dh_auto_configure:
+	dh_auto_configure -- -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON
-- 
2.34.1

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