require 'formula' def build_32bit?; ARGV.include? '--32-bit' or Hardware.is_32_bit?; end class P7zip < Formula url 'http://downloads.sourceforge.net/project/p7zip/p7zip/9.13/p7zip_9.13_src_all.tar.bz2' homepage 'http://p7zip.sourceforge.net/' md5 '8ddb5053db3b1f2696407d01be145779' def options [["--32-bit", "Force 32-bit."]] end def install if build_32bit? mv 'makefile.macosx_32bits', 'makefile.machine' else mv 'makefile.macosx_64bits', 'makefile.machine' end system "make all3" system "make", "DEST_HOME=#{prefix}", "DEST_MAN=#{man}", "install" end end