all: \ exo1-base \ exo1-full \ exo1-extra \ exo2-base \ exo2-full \ exo2-extra \ exo3-base \ exo3-full \ exo3-extra \ %:%.c gcc $< -std=c99 -Wall -g -o $@ clean: @rm -f \ exo1-base \ exo1-full \ exo1-extra \ exo2-base \ exo2-full \ exo2-extra \ exo3-base \ exo3-full \ exo3-extra \