Add LAPTOP flag

Makefile

@@ -7,6 +7,8 @@ SRC = drw.c dwm.c util.c
 OBJ = ${SRC:.c=.o}
 
 all: options dwm
+laptop: LFLAG = -DLAPTOP
+laptop: install
 
 options:
 	@echo dwm build options:
@@ -15,7 +17,7 @@ options:
 	@echo "CC       = ${CC}"
 
 .c.o:
-	${CC} -c ${CFLAGS} $<
+	${CC} -c ${LFLAG} ${CFLAGS} $<
 
 ${OBJ}: config.h config.mk
 
@@ -48,4 +50,4 @@ uninstall:
 	rm -f ${DESTDIR}${PREFIX}/bin/dwm\
 		${DESTDIR}${MANPREFIX}/man1/dwm.1
 
-.PHONY: all options clean dist install uninstall
+.PHONY: all laptop options clean dist install uninstall