DESTDIR=
PREFIX=/usr/local
LIBEXECDIR=$(PREFIX)/libexec
LIBDIR=$(PREFIX)/lib
SYSDDIR=$(LIBDIR)/systemd/system
DATADIR=$(PREFIX)/share
MANDIR=$(DATADIR)/man
MAN8DIR=$(MANDIR)/man8


%: %.in
	sed "s|@LIBEXECDIR@|$(LIBEXECDIR)|g" $< >$@
	sed -i "s|@SYSDDIR@|$(SYSDDIR)|g" $@


all: shutdown-if-no-sessions.service ready-for-shutdown.target.8


install: all
	install -m644 -Dt $(DESTDIR)$(SYSDDIR) ready-for-shutdown.target
	install -m644 -Dt $(DESTDIR)$(MAN8DIR) ready-for-shutdown.target.8
	install -m644 -Dt $(DESTDIR)$(SYSDDIR) shutdown-if-no-sessions.service
	install -m644 -Dt $(DESTDIR)$(MAN8DIR) shutdown-if-no-sessions.service.8
	install -m755 -Dt $(DESTDIR)$(LIBEXECDIR) shutdown-if-no-sessions


uninstall:
	rm -f $(DESTDIR)$(SYSDDIR)/ready-for-shutdown.target
	rm -f $(DESTDIR)$(MAN8DIR)/ready-for-shutdown.target.8
	rm -f $(DESTDIR)$(SYSDDIR)/shutdown-if-no-sessions.service
	rm -f $(DESTDIR)$(MAN8DIR)/shutdown-if-no-sessions.service.8
	rm -f $(DESTDIR)$(BINDIR)/shutdown-if-no-sessions


clean:
	rm -f *.service *.target.8


.PHONY: all install uninstall clean