良好的makefile程序，仅仅需要修改头部的object和文件内的files就可自动编译，自动将文件包含的头文件等添加并编译执行，提高开发效率。,Good makefile program, you only need to change the head of the object and the files within the file can be automatically compiled automatically add the file contains the header files and compile and run, improve development efficiency.