From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Tue, 29 Dec 2020 07:16:56 +0000
Subject: etc/Makefile.*: Pass arguments to date to support SOURCE_DATE_EPOCH
 when generating README. (Closes: #978610)

---
 etc/Makefile.am | 2 +-
 etc/Makefile.in | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/etc/Makefile.am
+++ b/etc/Makefile.am
@@ -59,5 +59,5 @@ a2ps.cfg: a2ps_cfg Makefile
 
 # Building a timestamp to know the version.
 README: README.in Makefile
-	sed "s!@date@!`date`!g;s!@version@!$(VERSION)!g"	\
+	sed "s!@date@!`LC_ALL=C date --utc --date=@$(SOURCE_DATE_EPOCH)`!g;s!@version@!$(VERSION)!g"	\
 	$(srcdir)/README.in > README
--- a/etc/Makefile.in
+++ b/etc/Makefile.in
@@ -1660,7 +1660,7 @@ a2ps.cfg: a2ps_cfg Makefile
 
 # Building a timestamp to know the version.
 README: README.in Makefile
-	sed "s!@date@!`date`!g;s!@version@!$(VERSION)!g"	\
+	sed "s!@date@!`LC_ALL=C date --utc --date=@$(SOURCE_DATE_EPOCH)`!g;s!@version@!$(VERSION)!g"	\
 	$(srcdir)/README.in > README
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
