https://blog.csdn.net/fzy0201/article/details/17427761
autoconf -> configure
configure.in ---------> aclocal -> aclocal.m4
automake
Makefile.am ----------> Makefile.in
configure
Makefile.in ----------> Makefile
autoscan
目录中的源文件 -------------> configure.scan 修改&改名 configure.scan --------------> configure.in