default: exe

%.obj: %.src
        # dummy compiler
        @echo link $< to $@
        cat $< > $@

exe: main.obj foo.obj bar.obj
        # dummy linker
        @echo link $^ to $@
        cat $^ > $@

main.obj: main.src

foo.obj: /some/dir/1/foo.src

bar.obj: /some/dir/2/bar.src