安装gtest执行autogen.sh时，遇到错误提示：

failed to run libtoolize: No such file or directory

centos下，安装libtool，而不是libtoolize:

yum install libtool

via: https://quaid.fedorapeople.org/TOS/Practical_Open_Source_Software_Exploration/html/sn-Building_the_Code-configure.html