I followed this post to install automake, autoconf and libtool.
When I check automake and autoconf versions they look fine. However, when I check libtool's version I get the following
$ libtool --version error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: unknown option character `-' in: --version
however if I run libtool from install folder I get
$ /usr/local/libtool/bin/libtool --version libtool (GNU libtool) 2.4.2 Written by Gordon Matzigkeit <firstname.lastname@example.org>, 1996
So I think there is a version of libtool already installed with OS X. Is there a way to change it so that when I execute libtool it calls the one on