require 'formula' class Igraph < Formula homepage 'http://igraph.sourceforge.net' url 'http://downloads.sourceforge.net/sourceforge/igraph/igraph-0.6.5.tar.gz' sha1 'f1605c5592e8bf3c97473f7781e77b6608448f78' option :universal # GMP is optional, and doesn't have a universal build depends_on 'gmp' => :optional unless build.universal? def install ENV.universal_binary if build.universal? system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end