require 'formula' class Eigen < Formula url 'http://bitbucket.org/eigen/eigen/get/3.0.4.tar.bz2' homepage 'http://eigen.tuxfamily.org/' md5 'c4a403660311ad8d62a28c118883310f' depends_on 'cmake' => :build def install mkdir 'eigen-build' Dir.chdir 'eigen-build' do system "cmake .. #{std_cmake_parameters} -DCMAKE_BUILD_TYPE=Release -Dpkg_config_libdir=#{lib}" system "make install" end end end