Index: Makefile
===================================================================
--- Makefile	(revision 458864)
+++ Makefile	(working copy)
@@ -120,6 +120,7 @@
 BAREOS_UID?=	997
 BAREOS_GID?=	${BAREOS_UID}
 BAREOS_DIR?=	/var/db/bareos
+MTX?=		/usr/local/sbin/mtx
 
 PLIST_SUB+=	BAREOS_DIR=${BAREOS_DIR}
 
Index: files/patch-scripts_mtx-changer.in
===================================================================
--- files/patch-scripts_mtx-changer.in	(nonexistent)
+++ files/patch-scripts_mtx-changer.in	(working copy)
@@ -0,0 +1,11 @@
+--- scripts/mtx-changer.in.orig	2018-01-12 13:20:04.913159000 -0600
++++ scripts/mtx-changer.in	2018-01-12 13:20:15.531373000 -0600
+@@ -251,7 +251,7 @@ case $cmd in
+       ${MTX} -f $ctl status >${TMPFILE}
+       rtn=$?
+       # can be converted to awk+sed+cut, see below
+-      perl -ne '
++      /usr/local/bin/perl -ne '
+ /Data Transfer Element (\d+):Empty/ && print "D:$1:E\n";
+ /Data Transfer Element (\d+):Full \(Storage Element (\d+) Loaded\)(:VolumeTag =\s*(.+))?/ && print "D:$1:F:$2:$4\n";
+ /Storage Element (\d+):Empty/ && print "S:$1:E\n";