必須ライブラリ

• m4

$ wget https://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz
$ tar xvf autoconf-2.69.tar.gz
$ cd autoconf-2.69/
$ mkdir build
$ cd build
$ PATH=/opt/m4/1.4.18/bin:${PATH} \
  ../configure --prefix=/opt/autoconf/2.69
$ make
$ make install

PATH=/opt/autoconf/2.69/bin:${PATH}