From a9ab7f11cd75fca0c77b6269744f4ac4d4eace5c Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Sun, 12 Aug 2012 12:56:27 -0500
Subject: [PATCH] libtool: use options DSL

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
---
 Formula/libtool.rb | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Formula/libtool.rb b/Formula/libtool.rb
index 160412e1cb..f6158b91b5 100644
--- a/Formula/libtool.rb
+++ b/Formula/libtool.rb
@@ -13,12 +13,10 @@ class Libtool < Formula
     keg_only "Xcode (up to and including 4.2) provides (a rather old) Libtool."
   end
 
-  def options
-    [["--universal", "Builds a universal binary"]]
-  end
+  option :universal
 
   def install
-    ENV.universal_binary if ARGV.build_universal?
+    ENV.universal_binary if build.universal?
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
                           "--program-prefix=g",