Source: mathgl
Severity: normal
Tags: patch
User: reproducible-bui...@lists.alioth.debian.org
Usertags: buildpath
X-Debbugs-Cc: reproducible-b...@lists.alioth.debian.org

The RPATH contains the build path resulting in different buildid:

  https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/mathgl.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, mathgl should build reproducibly on
tests.reproducible-builds.org!

Thanks for maintaining mathgl!

live well,
  vagrant
From c5f7530ed115ef9be65861e69271185c423ffe0a Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagr...@reproducible-builds.org>
Date: Tue, 18 Jan 2022 00:52:33 +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 c4570b9..66929a7 100755
--- a/debian/rules
+++ b/debian/rules
@@ -43,6 +43,7 @@ override_dh_auto_configure:
                 -Denable-qt5asqt=ON		\
                 -Denable-json-sample=ON		\
                 -Denable-json-sample-we=ON	\
+                -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON \
                 -Denable-python=ON
 
 override_dh_python3:
-- 
2.34.1

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