require 'formula' class Libvpx < Formula url 'http://webm.googlecode.com/files/libvpx-v0.9.6.tar.bz2' sha1 'a3522bd2b73d52381ba767ded1cbf4760e9cc6f8' homepage 'http://www.webmproject.org/code/' depends_on 'yasm' => :build def install args = ["--prefix=#{prefix}"] # Configure detects 32-bit CPUs incorrectly. args << "--target=generic-gnu" unless MacOS.prefer_64_bit? system "./configure", *args system "make install" end end