all: flex -f -DYY_NO_INPUT --nounput puzzles.l ${CC} ${CFLAGS} -lfl -DPROGLEN=`wc -l <input` -o puzzle-1 lex.yy.c ${CC} ${CFLAGS} -lfl -DPROGLEN=`wc -l <input` -DPART2 -o puzzle-2 lex.yy.c rm lex.yy.c .PHONY: clean clean: rm -f puzzle-[12]