-accessibility.conf: accessibility.conf.in
- sed -e "s|[@]DATADIR[@]|$(datadir)|" $(srcdir)/$@.in > $@
+EXTRA_DIST += org.a11y.Bus.service.in
+CLEANFILES += org.a11y.Bus.service
+
+systemd_userdir = $(prefix)/lib/systemd/user
+systemd_user_DATA = at-spi-dbus-bus.service
+at-spi-dbus-bus.service: at-spi-dbus-bus.service.in Makefile
+ $(AM_V_GEN) $(SED) -e $(substitutions) $< > $@.tmp && mv $@.tmp $@