require 'formula' class Gsl < Formula url 'http://ftpmirror.gnu.org/gsl/gsl-1.15.tar.gz' mirror 'http://ftp.gnu.org/gnu/gsl/gsl-1.15.tar.gz' homepage 'http://www.gnu.org/software/gsl/' md5 '494ffefd90eef4ada678c306bab4030b' def options [["--universal", "Build a universal binary."]] end def install ENV.universal_binary if ARGV.build_universal? system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make" # A GNU tool which doesn't support just make install! Shameful! system "make install" end end