blockade: blockade.o tools.o gcc blockade.o tools.o -o blockade tools.o: tools.c tools.h gcc tools.c -c -Wall blockade.o: blockade.c global.h tools.h lex.yy.c gcc blockade.c -c lex.yy.c: global.h blockade.lex flex blockade.lex clean: /bin/rm -f quiz lex.yy.c