Source: groff
Severity: wishlist
Tags: patch
User: reproducible-bui...@lists.alioth.debian.org
Usertags: usrmerge environment
X-Debbugs-Cc: reproducible-b...@lists.alioth.debian.org

When groff is built on a system with /usr merged, the paths to bash and
grep get embedded in various files (/usr/bin/gdiffmk and some example
documentation), resulting in an unreproducible build.

The attached patch passes BASH_PROG=/bin/bash and GREP=/bin/grep, which
is compatible with both a usrmerge and non-usrmerge system.

live well,
  vagrant
From 3daefd47779ff0c1bdaf23a023f313127cc19f84 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagr...@reproducible-builds.org>
Date: Sun, 19 Jan 2020 11:37:53 -0800
Subject: [PATCH] debian/rules: Pass BASH_PROG and GREP to configure to ensure
 reproducible builds regardless of weather system is a usrmerge or
 non-usrmerge system.

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

diff --git a/debian/rules b/debian/rules
index 4562bd67..27d4be2a 100755
--- a/debian/rules
+++ b/debian/rules
@@ -47,7 +47,7 @@ override_dh_autoreconf:
 
 override_dh_auto_configure:
 	-rm -f config.log config.cache
-	$(buildflags) dh_auto_configure -- $(confflags)
+	$(buildflags) dh_auto_configure -- $(confflags) BASH_PROG=/bin/bash GREP=/bin/grep
 ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
 	$(buildflags_native) dh_auto_configure \
 		--builddirectory=debian/build-native -- \
-- 
2.20.1

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