dns/Makefile

TEMPLATES=$(wildcard root/*/*.zone.in)
ZONES=$(addprefix stage/,$(notdir $(basename $(TEMPLATES))))

.PHONY: all

all: $(ZONES)

root/preprocessor.sed: root/preprocessor.sh $(wildcard root/*.in) root/servers.txt
	@$< > $@

define ZONE_TEMPLATE
stage/$(2).zone: $(1) root/preprocessor.sed
	@echo "$(2)"
	@sed -f root/preprocessor.sed \
		-e 's,@@DOMAIN@@,$(2),g' \
		$$< > $$@
endef

$(foreach tpl,$(TEMPLATES),$(eval $(call ZONE_TEMPLATE,$(tpl),$(patsubst %.zone.in,%,$(notdir $(tpl))))))