CC = gcc
OBJS = main.o concat.o
TARGETS = main

all: $(TARGETS)

main: main.o concat.o
	$(CC) main.o concat.o -o main

main.o: main.c
	$(CC) -c main.c

concat.o: concat.c
	$(CC) -c concat.c

clean:
	rm -rf $(OBJS) *~ $(TARGETS)