Source: libapache2-mod-auth-pgsql
Severity: normal
Tags: patch
User: [email protected]
Usertags: buildpath
X-Debbugs-Cc: [email protected]

The build path is embedded in /usr/lib/apache2/modules/mod_auth_pgsql.so:

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

  /build/1st/libapache2-mod-auth-pgsql-2.0.3/mod_auth_pgsql.c:298
  vs.
  /build/2/libapache2-mod-auth-pgsql-2.0.3/2nd/mod_auth_pgsql.c:298

The attached patch to the upstream Makefile debian/rules fixes this by
passing -ffile-prefix-map to apxs2.

According to my local tests, with this patch applied
libapache2-mod-auth-pgsql should build reproducibly on
tests.reproducible-builds.org!

Thanks for maintaining libapache2-mod-auth-pgsql!

live well,
  vagrant
From 9ed137525ae08db8e93ee7097d87c2467fda27aa Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <[email protected]>
Date: Tue, 27 Sep 2022 23:09:04 +0000
Subject: [PATCH] Makefile: call apxs2 using -ffile-prefix-map 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 eccaea6..fb17c60 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ PGSQL_LIB=/usr/lib
 PGSQL_INCLUDE=$(shell pg_config --includedir)
 
 shared:
-	${APACHE2_HOME}/bin/apxs2 -a -c -I ${PGSQL_INCLUDE} -L ${PGSQL_LIB} -lpq mod_auth_pgsql.c
+	${APACHE2_HOME}/bin/apxs2 -a -c -Wc,-ffile-prefix-map=$(CURDIR)=. -I ${PGSQL_INCLUDE} -L ${PGSQL_LIB} -lpq mod_auth_pgsql.c
 
 indent:
 	indent -kr -ts4 mod_auth_pgsql.c
-- 
2.37.2

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