.PHONY: check clean serve

gendeps   = ${filter-out %/index.html,${wildcard ${1}/*}}
includes := ${wildcard include/*}
srcdirs  := ${shell find src -type d}
outdirs  := ${srcdirs:src%=out%}
sources  := ${shell find src -type f -regextype egrep -regex '.*/(index\.html|.*\.(css|svg|png|dot))'}
outputs  := ${sources:src/%=out/%}
outputs  := ${outputs:%.dot=%.svg}

all: ${outdirs} ${outputs}

${outdirs}:
	@mkdir -p $@
	@printf 'MKDIR\t%s\n' "$@"

out/%: src/%
	@cp $< $@
	@printf 'CP\t%s\n' "$@"

out/%.svg: src/%.dot
	@dot -Tsvg $< >$@
	@printf 'DOT\t%s\n' "$@"

out/%.html: src/%.html ${includes} src/style.css
	@PATH="$$PATH:./include" m4 -P ${foreach dir,${^D},-I${dir}} include/lib.m4 $< >$@
	@printf 'M4\t%s\n' "$@"

src/srp/fw-ec/index.html: ${call gendeps,src/srp/fw-ec}
	@touch $@
src/prj/mmv/index.html: ${call gendeps,src/prj/mmv}
	@touch $@

check:
	LANG=en_US.UTF-8 find src -name 'index.html' -exec \
		aspell --home-dir=./ --ignore-case check {} \;

clean:
	rm -rf out

serve:
	darkhttpd out --daemon