require 'formula' class GnuUnits < Formula homepage 'http://www.gnu.org/software/units/' url 'http://ftpmirror.gnu.org/units/units-2.02.tar.gz' mirror 'http://ftp.gnu.org/gnu/units/units-2.02.tar.gz' sha1 'e460371dc97034d17ce452e6b64991f7fd2d1409' option 'default-names', "Do not prepend 'g' to the binary" def install args = ["--prefix=#{prefix}"] args << "--program-prefix=g" unless build.include? 'default-names' system "./configure", *args system "make install" end end