require 'formula' class Pbrt < Formula homepage 'http://pbrt.org/' url 'https://github.com/mmp/pbrt-v2/tarball/2.0.342' sha1 '60ca05448e69ae750b9f5cb07a1e55204d793698' depends_on "openexr" def install cd "src" do system "make" prefix.install "bin" end end end