otherwise building fails if it doesn't exist:
( cd <DESTDIR>/usr/share/dbus-1/services && \
rm -f org.freedesktop.systemd1.service && \
ln -s ../system-services/org.freedesktop.systemd1.service org.freedesktop.systemd1.service )
/bin/sh: line 0: cd: <DESTDIR>/usr/share/dbus-1/services: No such file or directory
$(DESTDIR)$(pkgsysconfdir)/system/multi-user.target.wants \
$(DESTDIR)$(pkgsysconfdir)/system/getty.target.wants \
$(DESTDIR)$(pkgsysconfdir)/user \
+ $(DESTDIR)$(dbussessionservicedir) \
$(DESTDIR)$(sysconfdir)/xdg/systemd
( cd $(DESTDIR)$(sysconfdir)/xdg/systemd/ && \
rm -f user && \