../Makefile:	../Makefile.in substitutions.sed substitute.sh
	./substitute.sh ../Makefile.in ../Makefile

substitutions.sed: substitutions.conf
	sed -n -E \
		-e 's@^[[:space:]]*#.*@@' \
		-e 's@!@\\!@g' \
		-e 's@^([[:alnum:]_]+)	*(.*)@s!%%\1%%!\2!g@p' \
		substitutions.conf > $@

substitutions.conf: substitutions.conf.default substitutions.conf.local
	cp -p substitutions.conf.local $@
	awk '{ print $$1 }' substitutions.conf.local | fgrep -v -h -f - substitutions.conf.default >> $@

substitutions.conf.default: substitutions.conf.franchise substitutions.conf.FreeBSD substitutions.conf.Linux
	cat substitutions.conf.franchise substitutions.conf.`uname` > $@

substitutions.conf.local:
	[ -e $@ ] || \
	{ ETC_CONF=`sed -n -E -e 's/^ETC_DIR[[:space:]]+(.*)$$/\1/p' substitutions.conf.default | head -n 1`/nodes2grafana.conf ; \
	  if [ -e $$ETC_CONF ] ; then ln -s $$ETC_CONF $@ ; else touch $@ ; fi ; }

clean:
	rm -f substitutions.sed substitutions.conf substitutions.conf.default
	[ -L substitutions.conf.local ] && rm -f substitutions.conf.local || [ -s substitutions.conf.local ] || rm -f substitutions.conf.local