Source: dbview
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/bin/dbview:

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

  /build/1st/dbview-1.0.4/dbview.c:62
  vs.
  /build/2/dbview-1.0.4/2nd/dbview.c:62

The attached patch to the upstream Makefile fixes this by adding
-ffile-prefix-map to CFLAGS.

According to my local tests, with this patch applied, dbview should build
reproducibly on tests.reproducible-builds.org!

Thanks for maintaining dbview!

live well,
  vagrant
From 01ccb621098567fd523af9a892cd77384f870fe0 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagr...@reproducible-builds.org>
Date: Sat, 8 Oct 2022 21:16:04 +0000
Subject: [PATCH 3/3] Makefile: Add -ffile-prefix-map to CFLAGS to avoid
 embedding build paths.

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

diff --git a/Makefile b/Makefile
index ffa401f..3b7a265 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ MANO=man
 MANG=man
 
 CC= gcc
-CFLAGS= -g -O6 -fomit-frame-pointer -Wall -pipe
+CFLAGS= -g -O6 -fomit-frame-pointer -Wall -pipe -ffile-prefix-map=$(CURDIR)=.
 # CFLAGS= -g -fomit-frame-pointer -Wall -pipe
 
 # Look where your install program is
-- 
2.37.2

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