require 'formula' class Nlopt < Formula homepage 'http://ab-initio.mit.edu/wiki/index.php/NLopt' url 'http://ab-initio.mit.edu/nlopt/nlopt-2.3.tar.gz' sha1 '28253b65187d9d1d4c75e96310d8ee8c9c5f3cfc' def install system "./configure", "--prefix=#{prefix}" system "make" system "make install" end end