require 'formula' class Byacc < Formula homepage 'http://invisible-island.net/byacc/byacc.html' url 'ftp://invisible-island.net/byacc/byacc-20130925.tgz' sha1 '6f49b2c730a5ad9882f823f40dc617713f42fc73' def install system "./configure", "--disable-debug", "--disable-dependency-tracking", "--program-prefix=b", "--prefix=#{prefix}", "--man=#{man}" system "make install" end end