src: simplify systemd unit file handling in make rules

Remove lots of duplication in the systemd unit file handling, so we can
add more unit files without modifying so many places.
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/Makefile.am

@@ -2796,16 +2796,20 @@ MANINFILES = \
 CLEANFILES += test_virtlockd.aug test_virtlogd.aug $(man8_MANS)
 MAINTAINERCLEANFILES += $(MANINFILES)
 
+SYSTEMD_UNIT_FILES_IN = \
+	locking/virtlockd.service.in \
+	locking/virtlockd.socket.in \
+	locking/virtlockd-admin.socket.in \
+	logging/virtlogd.service.in \
+	logging/virtlogd.socket.in \
+	logging/virtlogd-admin.socket.in \
+	$(NULL)
+
 EXTRA_DIST += \
-        locking/virtlockd.service.in \
-        locking/virtlockd.socket.in \
-        locking/virtlockd-admin.socket.in \
+        $(SYSTEMD_UNIT_FILES_IN) \
         locking/virtlockd.aug \
         locking/virtlockd.conf \
         locking/test_virtlockd.aug.in \
-        logging/virtlogd.service.in \
-        logging/virtlogd.socket.in \
-        logging/virtlogd-admin.socket.in \
         logging/virtlogd.aug \
         logging/virtlogd.conf \
         logging/test_virtlogd.aug.in \
@@ -2818,36 +2822,20 @@ if WITH_LIBVIRTD
 if LIBVIRT_INIT_SCRIPT_SYSTEMD
 
 SYSTEMD_UNIT_DIR = $(prefix)/lib/systemd/system
+SYSTEMD_UNIT_FILES = $(notdir $(SYSTEMD_UNIT_FILES_IN:%.in=%))
 
-BUILT_SOURCES += virtlockd.service virtlockd.socket virtlockd-admin.socket \
-		 virtlogd.service virtlogd.socket virtlogd-admin.socket
-DISTCLEANFILES += virtlockd.service virtlockd.socket virtlockd-admin.socket \
-		  virtlogd.service virtlogd.socket virtlogd-admin.socket
+BUILT_SOURCES += $(SYSTEMD_UNIT_FILES)
+DISTCLEANFILES += $(SYSTEMD_UNIT_FILES)
 
-install-systemd: virtlockd.service virtlockd.socket virtlockd-admin.socket \
-                 virtlogd.service virtlogd.socket virtlogd-admin.socket \
-		 install-sysconfig
+install-systemd: $(SYSTEMD_UNIT_FILES) install-sysconfig
 	$(MKDIR_P) $(DESTDIR)$(SYSTEMD_UNIT_DIR)
-	$(INSTALL_DATA) virtlockd.service \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-	$(INSTALL_DATA) virtlockd.socket \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-	$(INSTALL_DATA) virtlockd-admin.socket \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-	$(INSTALL_DATA) virtlogd.service \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-	$(INSTALL_DATA) virtlogd.socket \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
-	$(INSTALL_DATA) virtlogd-admin.socket \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/
+	for f in $(SYSTEMD_UNIT_FILES); \
+	do \
+	  $(INSTALL_DATA) $$f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/ ; \
+	done
 
 uninstall-systemd: uninstall-sysconfig
-	rm -f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/virtlockd.service \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/virtlockd.socket \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/virtlockd-admin.socket
-	rm -f $(DESTDIR)$(SYSTEMD_UNIT_DIR)/virtlogd.service \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/virtlogd.socket \
-	  $(DESTDIR)$(SYSTEMD_UNIT_DIR)/virtlogd-admin.socket
+	rm -f $(SYSTEMD_UNIT_FILES:%=$(DESTDIR)$(SYSTEMD_UNIT_DIR)/%)
 	rmdir $(DESTDIR)$(SYSTEMD_UNIT_DIR) || :
 else ! LIBVIRT_INIT_SCRIPT_SYSTEMD
 install-systemd: