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Bug#1011501: libapache2-mod-authn-yubikey: reproducible-builds: embedded build paths in mod_authn_yubikey.so



Source: libapache2-mod-authn-yubikey
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/lib/apache2/modules/mod_authn_yubikey.so:

  https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/diffoscope-results/libapache2-mod-authn-yubikey.html

  /build/1st/libapache2-mod-authn-yubikey-1.0/libykclient.c:181
  vs.
  /build/2/libapache2-mod-authn-yubikey-1.0/2nd/libykclient.c:181

The attached patch fixes this by passing -ffile-prefix-map to axps2 in
debian/rules, which avoids embedding the build path in compiled files.


With this patch applied, libapache2-mod-authn-yubikey should build
reproducibly on tests.reproducible-builds.org!


live well,
  vagrant
From a8ba18601d147f1b4e374e2b483561f95373b561 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Tue, 24 May 2022 00:55:12 +0000
Subject: [PATCH] debian/rules: Pass -ffile-prefix-map to apxs2.

---
 debian/rules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debian/rules b/debian/rules
index 1e96143..cab1069 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,6 +4,6 @@
 
 override_dh_auto_build:
 	apxs2 -DYK_PACKAGE=\\\"libapache2_mod_authn_yubikey\\\" \
-		-DYK_PACKAGE_VERSION=\\\"0.1\\\" -I. -Wc -c -lcurl \
+		-DYK_PACKAGE_VERSION=\\\"0.1\\\" -I. -Wc,-ffile-prefix-map=$(CURDIR)=. -Wc -c -lcurl \
 		mod_authn_yubikey.c libykclient.c libykclient.slo mod_authn_yubikey.slo
 
-- 
2.36.1

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