Date: Fri, 27 May 2016 15:51:47 +0100
From: Steven Chamberlain <steven@pyro.eu.org>
Subject: Avoid FTBFS with SOURCE_DATE_EPOCH

Avoid FTBFS due to incompatibility of `date -r`, when
SOURCE_DATE_EPOCH is exported in the environment.

--- a/sys/conf/newvers.sh
+++ b/sys/conf/newvers.sh
@@ -89,7 +89,7 @@
 touch version
 v=`cat version` u=${USER:-root} d=`pwd` h=${HOSTNAME:-`hostname`}
 if [ -n "$SOURCE_DATE_EPOCH" ]; then
-	if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then
+	if ! t=`LANG=C date -ud @$SOURCE_DATE_EPOCH 2>/dev/null`; then
 		echo "Invalid SOURCE_DATE_EPOCH" >&2
 		exit 1
 	fi
@@ -99,12 +99,6 @@
 i=`${MAKE:-make} -V KERN_IDENT`
 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep ' version ')
 
-if [ -f "${SYSDIR}/../../debian/changelog" ] ; then
-	# Use timestamp from the most recent debian/changelog entry,
-	# instead of the exact time of the build.
-	t=`dpkg-parsechangelog -l"${SYSDIR}/../../debian/changelog" -S"Date"`
-fi
-
 for dir in /usr/bin /usr/local/bin; do
 	if [ ! -z "${svnversion}" ] ; then
 		break