CC = gcc -O2 -Wall

all: a.out block a.out+free block+free

a.out: block.c
	$(CC) block.c

a.out+free: block.c
	$(CC) -DFREE=1 -o a.out+free block.c

block: block.c
	$(CC) -DBLOCK=1 -o block block.c

block+free: block.c
	$(CC) -DFREE=1 -DBLOCK=1 -o block+free block.c

clean:
	rm -f a.out block a.out+free block+free