Source: libapache2-mod-auth-plain
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/lib/apache2/modules/mod_auth_plain.so:

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

  /build/1st/libapache2-mod-auth-plain-2.0.52/mod_auth_plain.c:300
  vs.
  /build/2/libapache2-mod-auth-plain-2.0.52/2nd/mod_auth_plain.c:300

The attached patch fixes this by adjusting the Makefile to pass
-ffile-prefix-map to apxs, which avoids embedding the build path in
compiled files.


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


live well,
  vagrant
From 0bbea871a8c744f1355c759482efbc4eb9f927b5 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagr...@reproducible-builds.org>
Date: Tue, 24 May 2022 01:58:43 +0000
Subject: [PATCH] Makefile: Pass -ffile-prefix-map to apxs.

This avoids embedding the build path in the binaries.

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

diff --git a/Makefile b/Makefile
index a05afd4..343b1bb 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ all: $(TARGETS)
 
 # general rule to build
 %.la: %.c
-	$(APXS) -c $< $(LIBS)
+	$(APXS) -Wc,-ffile-prefix-map=$(CURDIR)=. -c $< $(LIBS)
 
 install: $(TARGETS)
 	$(APXS) -i $(TARGETS)
-- 
2.36.1

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