require 'formula' class Bwa < Formula url 'http://downloads.sourceforge.net/project/bio-bwa/bwa-0.5.8a.tar.bz2' homepage 'http://bio-bwa.sourceforge.net/' md5 '4f34d6d1156f7259eb5a3c946f7f59db' def install inreplace "Makefile" do |s| s.change_make_var! 'CFLAGS', ENV.cflags end system "make" bin.install "bwa" man1.install "bwa.1" end end