介绍Linux的命令工具make及其所操作的makefile，它负责将源代码编译成可执行文件；然后介绍kbuild makefile对makefile做了哪些扩充，以及kbuild makefile的工作原理。-Introduced Linux tools make the order and the operation of makefile, it is responsible for compiling the source code into executable files kbui