Things should be a little bit, so now write the corresponding URL and then translate slowly. Continuously collect and increase, so it looks convenient.
1, what is a shell? Http://www.gnu.org/software/bash/manual/bashref.html#sec32,10u build system http://www.gnu.org/software/autoconf/man@Autoconf -2.57 / html_mono / autoconf.html # sec2 concept concise: The GNU Build System is composed of AutoConf, Automake, and Libtool. The autoconf is used to generate a cross-system installation setup script independent of the software installation system, which provides support for cross-system compilation, overcoming some of the shortcomings of single using makefile, simplifies some operations; Automake simplifies the generation of Makefile; LibTool A simplification of some settings of a static library and a dynamic library, support cross-platform. ("Cross-platform" refers to Portable, that is, not only the system, but only the compiler, etc., and is automatically completed, there is no need to make special settings for each platform - of course, special settings can be performed on the special platform.)
