linux安装autoconf报错：error: no accceptable m4 could be found in $PATH

报错：error: no accceptable m4 could be found in $PATH
问题 缺少m4
解决：下载安装
wget http://ftp.gnu.org/gnu/m4/m4-1.4.9.tar.gz
tar -xvf m4-1.4.9.tar.gz
cd m4-1.4.9
./configure
make && make install