.POSIX:

RM = rm -f

generate: index.html subdirs

index.html: *.m4
	m4 index.m4 >index.html

subdirs:
	$(MAKE) -C css
	$(MAKE) -C home
	$(MAKE) -C phones
	$(MAKE) -C slipstream

clean:
	$(RM) index.html css/index.html home/index.html phones/index.html slipstream/index.html

.PHONY: generate clean