Debian Bug report logs - #1020866
wrapsrv: reproducible-builds: build path embedded in /usr/bin/wrapsrv

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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: wrapsrv: reproducible-builds: build path embedded in /usr/bin/wrapsrv

Date: Tue, 27 Sep 2022 12:00:26 -0700

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

Source: wrapsrv
Severity: normal
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: buildpath
X-Debbugs-Cc: reproducible-bugs@lists.alioth.debian.org

The build path is embedded in /usr/bin/wrapsrv:

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

  /build/1st/wrapsrv-1.0.0/wrapsrv.c:360
  vs.
  /build/2/wrapsrv-1.0.0/2nd/wrapsrv.c:360

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

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

Thanks for maintaining wrapsrv!

live well,
  vagrant

[0001-Makefile-Pass-debug-prefix-map-to-avoid-embedding-bu.patch (text/x-diff, inline)]

From eb45d8f705f1794cf57eec2f278510b7b9a6f8e3 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Tue, 27 Sep 2022 18:50:12 +0000
Subject: [PATCH] Makefile: Pass --debug-prefix-map to avoid embedding build
 directory.

https://tests.reproducible-builds.org/debian/issues/unstable/build_path_captured_in_assembly_objects_issue.html
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c329a2d..f0b835a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC = gcc
 WARN = -Wall -Wextra -Werror
-CFLAGS = -O2 -g $(WARN)
+CFLAGS = -O2 -g --debug-prefix-map=$(CURDIR)=. $(WARN)
 INCLUDE =
 LDFLAGS = -lresolv
 DESTDIR ?=
-- 
2.37.2

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