require 'formula' class Gifsicle < Formula homepage 'http://www.lcdf.org/gifsicle/' url 'http://www.lcdf.org/gifsicle/gifsicle-1.67.tar.gz' sha1 '9b239cfce086d416017b237743d68d19a3a095f6' depends_on :x11 def install system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}", "--enable-all" system "make install" end end