1 files changed, 9 insertions, 0 deletions
diff --git a/Library/Homebrew/build_options.rb b/Library/Homebrew/build_options.rb
index 6400b36ce..a1069694e 100644
--- a/Library/Homebrew/build_options.rb
+++ b/Library/Homebrew/build_options.rb
@@ -6,11 +6,20 @@ class BuildOptions
   attr_accessor :args
   include Enumerable
 
+  attr_reader :options
+  protected :options
+
   def initialize args
     @args = Options.coerce(args)
     @options = Options.new
   end
 
+  def initialize_copy(other)
+    super
+    @options = other.options.dup
+    @args = other.args.dup
+  end
+
   def add name, description=nil
     description ||= case name.to_s
       when "universal" then "Build a universal binary"