all: add_person_c

protoc_middleman: addressbook.proto
	protoc-c --c_out=. addressbook.proto

add_person_c: add_person.c protoc_middleman
	pkg-config --libs libprotobuf-c  # fails if protobuf is not installed
	gcc add_person.c addressbook.pb-c.c -o add_person_c `pkg-config --libs libprotobuf-c`

clean:
	rm -f add_person_c addressbook.pb-c.c addressbook.pb-c.h