From f3d3bc436829b5e9212e052cec50cded80cea2df Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Wed, 23 Jan 2013 00:26:20 -0600
Subject: Move option comparison into BuildOptions

---
 Library/Homebrew/formula_support.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'Library/Homebrew/formula_support.rb')

diff --git a/Library/Homebrew/formula_support.rb b/Library/Homebrew/formula_support.rb
index f72358d4d..9f30afbf7 100644
--- a/Library/Homebrew/formula_support.rb
+++ b/Library/Homebrew/formula_support.rb
@@ -185,6 +185,7 @@ end
 # This class holds the build-time options defined for a Formula,
 # and provides named access to those options during install.
 class BuildOptions
+  attr_writer :args
   include Enumerable
 
   def initialize args
@@ -253,4 +254,12 @@ class BuildOptions
   def build_32_bit?
     @args.include? '--32-bit'
   end
+
+  def used_options
+    as_flags & @args.options_only
+  end
+
+  def unused_options
+    as_flags - @args.options_only
+  end
 end
-- 
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