在配置完成后，执行make开始编译。这里打开Makefile。
首先包含在配置时生成的config.mk
all: sinclude $(obj)include/autoconf.mk.dep sinclude $(obj)include/autoconf.mk # load ARCH, BOARD, and CPU configuration include $(obj)include/config.mk //配置时生成的 export ARCH CPU BOARD VENDOR SOC
sd
原文：http://www.cnblogs.com/ynxf/p/5954532.html