require 'formula' class Mp3gain < Formula url 'http://downloads.sourceforge.net/project/mp3gain/mp3gain/1.5.1/mp3gain-1_5_1-src.zip' version "1.5.1" homepage 'http://mp3gain.sourceforge.net' md5 '71a43bd183bc2a2c37fbf4a633ffb7aa' def install system "make" bin.install 'mp3gain' end end