require 'formula' def use_libnet? not ARGV.include? '--disable-libnet' end def use_glib? not ARGV.include? '--disable-libglib' end class Libnids < Formula url 'http://downloads.sourceforge.net/project/libnids/libnids/1.24/libnids-1.24.tar.gz' homepage 'http://libnids.sourceforge.net/' md5 '72d37c79c85615ffe158aa524d649610' depends_on 'libnet' if use_libnet? depends_on 'glib' if use_glib? def options [ ["--disable-libnet", "Don't include code requiring libnet"], ["--disable-libglib", "Don't use glib2 for multiprocessing support"] ] end def install args = ["--prefix=#{prefix}", "--mandir=#{man}"] args << "--disable-libnet" unless use_libnet? args << "--disable-libglib" unless use_glib? system "./configure", *args system "make install" end end