add separate systemd service for ipxd

conf/Makefile.am

@@ -15,7 +15,9 @@ ipxlibexec_SCRIPTS = \
 confd__DATA = ipx
 
 if ENABLE_SYSTEMD
-systemdsystemunit_DATA = ipx.service
+systemdsystemunit_DATA = \
+	ipx.service \
+	ipxd.service
 endif
 
 network-start.sh: network-start.sh.in Makefile
@@ -27,6 +29,9 @@ network-stop.sh: network-stop.sh.in Makefile
 ipx.service: ipx.service.in Makefile
 	$(AM_V_GEN)$(edit) $(srcdir)/ipx.service.in > $@
 
+ipxd.service: ipxd.service.in Makefile
+	$(AM_V_GEN)$(edit) $(srcdir)/ipxd.service.in > $@
+
 ipx: ipx.confd.in Makefile
 	$(AM_V_GEN)$(edit) $(srcdir)/ipx.confd.in > $@
 
@@ -34,10 +39,12 @@ EXTRA_DIST = \
 	network-start.sh.in \
 	network-stop.sh.in \
 	ipx.service.in \
+	ipxd.service.in \
 	ipx.confd.in
 
 CLEANFILES = \
 	network-start.sh \
 	network-stop.sh \
 	ipx.service \
+	ipxd.service \
 	ipx