CFFHH/NiuBoot — comment on commit ab7ae76cd9d8e1a0cc426e0f9b33d7501395ea0a
File: Makefile line 55
By xiangfu:

when your head files change we should re-compile the .o file and re-link the result. better is we using gcc -M -MM, and inlcude those .d file uner Makefile. step by step. :)