require 'formula' class Libtiff < Formula url 'http://download.osgeo.org/libtiff/tiff-3.9.4.zip' homepage 'http://www.remotesensing.org/libtiff/' md5 '95b112997641096d97344b1a5dc61e71' def install system "./configure", "--prefix=#{prefix}", "--mandir=#{man}" system "make install" end end