.PHONY: run
run: main
	./main

main: main.c libAB.so Makefile
	$(CC) -g -o $@ $< -ldl -Wl,-rpath='$$ORIGIN'

libA.so: a.c Makefile
	$(CC) -g -o $@ $< -fPIC -shared -ldl

libB.so: b.c Makefile
	$(CC) -g -o $@ $< -fPIC -shared -Wl,-rpath='$$ORIGIN'

libAB.so: ab.c libA.so libB.so Makefile
	$(CC) -g -o $@ $< -fPIC -shared -L. -Wl,-rpath='$$ORIGIN' -lB -lA