require 'formula' class Exiv2 < Formula url 'http://www.exiv2.org/exiv2-0.20.tar.gz' homepage 'http://www.exiv2.org' md5 '3173d08a4313dc94b7bd1b7cdbda2093' def install system "./configure", "--prefix=#{prefix}", "--disable-dependency-tracking" system "make install" end end