require 'formula' class WCalc < Formula url 'http://downloads.sourceforge.net/w-calc/wcalc-2.4.1.tar.bz2' homepage 'http://w-calc.sourceforge.net' sha1 'e3ba04dcfc60a47b60c79fc6f9f4a8fa750ee5f9' depends_on 'gmp' depends_on 'mpfr' def install system "./configure", "--prefix=#{prefix}" system "make" system "make", "install" end test do system "#{bin}/wcalc 2+2" end end