Uninstall/Install libtool before installing other dependencies
Uninstall/Install libtool before installing other dependencies

According to 1) it is a known issue with libtool/sed using homebrew.
Re-installing libtool seems to fix that issue.

1) https://github.com/Homebrew/legacy-homebrew/issues/43874

ganwell/c4irp,concretecloud/c4irp,concretecloud/c4irp,concretecloud/c4irp,ganwell/c4irp,ganwell/c4irp,concretecloud/c4irp,ganwell/c4irp