require 'formula' class Libarchive < Formula homepage 'http://www.libarchive.org' url 'http://www.libarchive.org/downloads/libarchive-3.1.2.tar.gz' sha1 '6a991777ecb0f890be931cec4aec856d1a195489' depends_on 'xz' => :optional bottle do cellar :any sha1 "0e5d1b4f626533dfa2ff13787c4d43a500f36d93" => :mavericks sha1 "a894d93ee0bd3f3c339b52ffd4b19c818a7bcab0" => :mountain_lion sha1 "322b708d62733c3a4b5054b3fa839a2b2801193e" => :lion end keg_only :provided_by_osx def install system "./configure", "--prefix=#{prefix}", "--without-lzo2", "--without-nettle", "--without-xml2" system "make install" end end