require 'formula' class Tnef < Formula homepage 'http://sourceforge.net/projects/tnef/' url 'http://downloads.sourceforge.net/project/tnef/tnef/tnef-1.4.8.tar.gz' sha1 '19431176ee523fe3fd5e745882a9083426cc5671' def install system "./configure", "--prefix=#{prefix}" system "make install" end end