require 'formula' class Pbrt < Formula homepage 'http://pbrt.org/' url 'https://github.com/mmp/pbrt-v2/archive/2.0.342.tar.gz' sha1 'c18e4cb5acdd3120573c26be702e452e77273a79' depends_on "openexr" depends_on "flex" def install system "make", "-C", "src" prefix.install "src/bin" end end