all: main pdfs dots

main: main.c libtrees.a
	gcc $^ -o $@

part2: part2.c libtrees.a
	gcc $^ -o $@

%.o: %.c
	gcc -c $^ -o $@

lib%.a: %.o
	ar rcs $@ $^

pdfs: $(patsubst %.txt,%.pdf,$(shell ls samples/*.txt))
dots: $(patsubst %.txt,%.dot,$(shell ls samples/*.txt))

samples/%.pdf: samples/%.dot
	dot -Tpdf $< -o $@

samples/%.dot: samples/%.txt part2
	./part2 $<

.PHONY: clean

clean:
	rm -r lib*.a *.o samples/*.dot samples/*.pdf