require 'formula' class Box2d < Formula homepage 'http://www.box2d.org/' url 'http://box2d.googlecode.com/files/Box2D_v2.2.1.zip' sha1 'f97e75227a19b01858b1431e5f3eb6b8827bed12' depends_on 'cmake' => :build def install cd 'Build' do system "cmake -DBOX2D_INSTALL=ON -DBOX2D_BUILD_SHARED=ON #{std_cmake_parameters} .." system "make install" end end end