# Note: depends on m4
wget -c http://ftp.gnu.org/gnu/libtool/libtool-2.4.6.tar.xz
tar -xJf libtool-2.4.6.tar.xz
cd libtool-2.4.6
mkdir -p build
cd build
../configure --prefix="/usr"
make # Doesn't mind -j#
make install