Bind 9.8.1-P1

This brew includes Bind along with a suite of tools bundled with it. These
tools are the de facto standard for working with DNS. Bind is compiled with
ipv6 support and dig is compiled with sigchase option turned on.

Closes Homebrew/homebrew#8948.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/bind.rb

@@ -0,0 +1,20 @@
+require 'formula'
+
+class Bind < Formula
+  homepage 'http://www.isc.org/software/bind/'
+  url 'ftp://ftp.isc.org/isc/bind9/9.8.1-P1/bind-9.8.1-P1.tar.gz'
+  version '9.8.1-p1'
+  sha256 '867fdd52d3436c6ab6d357108d7f9eaaf03f1422652e6e61c742816ff7f87929'
+
+  depends_on "openssl" if MacOS.leopard?
+
+  def install
+      ENV['STD_CDEFINES']='-DDIG_SIGCHASE=1'
+      system "./configure", "--prefix=#{prefix}",
+                            "--enable-threads",
+                            "--enable-ipv6",
+                            "--with-openssl"
+      system "make"
+      system "make install"
+  end
+end