improvement of Makefile
improvement of Makefile

NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon,NIWA-Hideyuki/Fulcon