安装的版本软件包也不能错误：
tar -xzvf m4-1.4.13.tar.gz
cd m4-1.4.13
./configure---- prefix=/usr/local
化妆
sudo make安装
cd .
tar -xzvf autoconf-2.65.tar.gz
cd autoconf-2.65
./configure-- prefix=/usr/local # ironic，isn't it？
化妆
sudo make安装
cd .
# hereyoumightwanttorestartyourterminalsession，toensurethenewautoconfispickedupandusedintherestofthescript
tar xzvf automake-1.11.tar.gz
cd automake-1.11
./configure---- prefix=/usr/local
化妆
sudo make安装
cd .
tar xzvf libtool-2.2.6b.tar.gz
cd libtool-2.2.6b
./configure---- prefix=/usr/local
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sudo make安装