From fa03fd91b405c581fb57b8dc3b207b6226582ac3 Mon Sep 17 00:00:00 2001
From: Misty De Meo <mistydemeo@gmail.com>
Date: Thu, 1 Aug 2013 19:46:56 -0700
Subject: [PATCH] Add MacOS.preferred_arch

Replaced the plethora of ternaries we've used all over the place to
determine whether x86_64 or i386 is called for.
---
 Library/Homebrew/macos.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Library/Homebrew/macos.rb b/Library/Homebrew/macos.rb
index 2e5c02f394..8e379ad2ac 100644
--- a/Library/Homebrew/macos.rb
+++ b/Library/Homebrew/macos.rb
@@ -188,6 +188,14 @@ module MacOS extend self
     Hardware::CPU.is_64_bit? and version != :leopard
   end
 
+  def preferred_arch
+    @preferred_arch ||= if prefer_64_bit? 
+      Hardware::CPU.arch_64_bit
+    else
+      Hardware::CPU.arch_32_bit
+    end
+  end
+
   STANDARD_COMPILERS = {
     "3.1.4" => { :gcc_40_build => 5493, :gcc_42_build => 5577 },
     "3.2.6" => { :gcc_40_build => 5494, :gcc_42_build => 5666, :llvm_build => 2335, :clang => "1.7", :clang_build => 77 },