require "formula" class Tnef < Formula homepage "http://sourceforge.net/projects/tnef/" url "https://downloads.sourceforge.net/project/tnef/tnef/tnef-1.4.12.tar.gz" sha1 "efa9aa2bb416e5c81317910a1b615931d79a8c7b" def install system "./configure", "--prefix=#{prefix}" system "make install" end end