GUN make的使用手册，详细的介绍了GUN MAKEFILE的使用，语法等，充分的体现了MAKEFILE的强大性-GUN make the user manual describes in detail the use of GUN MAKEFILE, grammar and so on, fully embodies the powerful sexual Makefile

make使用手册，教你如何使用makefile进行编译-make use of manual, teach you how to use the makefile to compile

GNU Make项目管理里面的源代码，主要是一些Makefile的写法，帮助学习写Makefile-GNU Make project management inside the source code, mainly because some of Makefile written to help learning to write Makefile