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

The build path is embedded in /usr/sbin/tmpreaper:

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

  /build/1st/tmpreaper-1.6.17/tmpreaper.c:752
  vs.
  /build/2/tmpreaper-1.6.17/2nd/tmpreaper.c:752

The attached patch fixes this by passing the -ffile-prefix-map argument
via CFLAGS in debian/rules. Another option that *might* fix this and
other issues would be to fully switch to dh and a recent debhelper
compat level.


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


Thanks for maintaining tmpreaper!


live well,
  vagrant
From 2595a8d2a0a4dfe496b44f5f45200d7131d06cf9 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagr...@reproducible-builds.org>
Date: Sat, 24 Sep 2022 20:05:03 +0000
Subject: [PATCH] debian/rules: Pass -ffile-prefix-map via CFLAGS to avoid
 embedding the build directory.

https://reproducible-builds.org/docs/build-path/
---
 debian/rules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debian/rules b/debian/rules
index e106bb2..911e331 100755
--- a/debian/rules
+++ b/debian/rules
@@ -40,7 +40,7 @@ build: build-stamp
 build-stamp:
 	dh_testdir
 	./configure --prefix=/usr --mandir=/usr/share/man
-	make CPPFLAGS="-DDEBIAN" tmpreaper
+	make CFLAGS="-ffile-prefix-map=$(CURDIR)=." CPPFLAGS="-DDEBIAN" tmpreaper
 	./tmpreaper -h 2>&1 | grep 'tmpreaper -- Version: '$(debian_version)-DEB || (echo "You forgot to fix the VERSION in configure.ac!"; exit 1)
 	touch build-stamp
 
-- 
2.37.2

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