Install libtool from source Mac OS X

install-libtool-from-src-mac

# Install libtool from source on Mac OS X

# prepare workspace
mkdir -p ~/code/build-from-src/ && cd $_

# download source code
curl -LO https://ftp.gnu.org/gnu/libtool/libtool-2.4.6.tar.xz

# expand
tar -xf libtool-2.4.6.tar.xz
cd libtool-2.4.6.tar.xz

# prevent libtool from hardcoding sed path from superenv
export SED="sed"

# configure, make, install
./configure --prefix=/usr/local --disable-dependency-tracking --disable-silent-rules --enable-ltdl-install
make
sudo make install

# verify
# It's not easy, you can see how homebrew does it https://github.com/Homebrew/homebrew-core/blob/master/Formula/libtool.rb#L35
which -a libtool

# clean up
unset SED
make clean
make distclean
cd ..
rm -fr libtool-2.4.6
rm libtool-2.4.6.tar.xz