http://4ynqnnkbfkq327lqr4kfj2udaki224h4isbpjwj5tagxqcgzu7rv6oqd.onion/tags/ancient-libtool.html
Usually it is best to do
this during the build by depending on autoconf, libtool, and automake if
it is used, and then running: autoreconf -i --force before running configure. Depending on how old the package is, this may
require additional modifications to configure.ac or configure.in or other work.