require 'formula' class Aterm < Formula url 'ftp://ftp.stratego-language.org/pub/stratego/StrategoXT/strategoxt-0.17/aterm-2.5.tar.gz' homepage 'http://strategoxt.org/Tools/ATermFormat' md5 '33ddcb1a229baf406ad1f603eb1d5995' def install system "./configure", "--prefix=#{prefix}" # The build fails mysteriously with -j4 ENV.j1 system "make install" end end