.POSIX:
.PHONY: build docs

NAME := args

ifneq "$(wildcard src/*.h)" ''
	HEADERS = $(wildcard src/*.h)
endif

define DOCS
	$(subst docs/, build/man/,
		$(patsubst
			%.md, %,
			$(wildcard docs/*.md)
		)
	)
endef

build: build/ $(NAME)

$(NAME): src/main.c $(HEADERS)
	cc -o $(NAME) $^


test:
	$(error testing using `make' not supported; use `just')

docs:
	make $(strip $(DOCS))

build/man/%: docs/%.md build/man/ docs/
	pandoc --from markdown --to man \
		$< $@

%/:
	@mkdir -p $@