Install systemd units to /usr/local/lib/systemd/system/ by default

Author: jakelee8

Makefile

@@ -7,10 +7,10 @@ install:
 	install src/zfs-auto-snapshot.8 $(DESTDIR)$(PREFIX)/share/man/man8/zfs-auto-snapshot.8
 	install -d $(DESTDIR)$(PREFIX)/sbin
 	install src/zfs-auto-snapshot.sh $(DESTDIR)$(PREFIX)/sbin/zfs-auto-snapshot
-	install -d $(DESTDIR)/etc/systemd/system
-	install timers/zfs-auto-daily.service $(DESTDIR)/etc/systemd/system/zfs-auto-daily.service
-	install timers/zfs-auto-daily.timer $(DESTDIR)/etc/systemd/system/zfs-auto-daily.timer
-	install timers/zfs-auto-hourly.service $(DESTDIR)/etc/systemd/system/zfs-auto-hourly.service
-	install timers/zfs-auto-hourly.timer $(DESTDIR)/etc/systemd/system/zfs-auto-hourly.timer
-	install timers/zfs-auto-weekly.service $(DESTDIR)/etc/systemd/system/zfs-auto-weekly.service
-	install timers/zfs-auto-weekly.timer $(DESTDIR)/etc/systemd/system/zfs-auto-weekly.timer
+	install -d $(DESTDIR)$(PREFIX)/lib/systemd/system
+	install timers/zfs-auto-daily.service $(DESTDIR)$(PREFIX)/lib/systemd/system/zfs-auto-daily.service
+	install timers/zfs-auto-daily.timer $(DESTDIR)$(PREFIX)/lib/systemd/system/zfs-auto-daily.timer
+	install timers/zfs-auto-hourly.service $(DESTDIR)$(PREFIX)/lib/systemd/system/zfs-auto-hourly.service
+	install timers/zfs-auto-hourly.timer $(DESTDIR)$(PREFIX)/lib/systemd/system/zfs-auto-hourly.timer
+	install timers/zfs-auto-weekly.service $(DESTDIR)$(PREFIX)/lib/systemd/system/zfs-auto-weekly.service
+	install timers/zfs-auto-weekly.timer $(DESTDIR)$(PREFIX)/lib/systemd/system/zfs-auto-weekly.timer