require "formula" class Tnef < Formula homepage "http://sourceforge.net/projects/tnef/" url "https://downloads.sourceforge.net/project/tnef/tnef/tnef-1.4.11.tar.gz" sha1 "8759770fc3bf6d53bcf8426499f1272d3e9c541f" def install system "./configure", "--prefix=#{prefix}" system "make install" end end