binutils 2.21

* also add ARM/thumb support, useful for iOS

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

Formula/binutils.rb

@@ -1,9 +1,9 @@
 require 'formula'
 
 class Binutils < Formula
-  url 'http://ftp.gnu.org/gnu/binutils/binutils-2.20.tar.gz'
+  url 'http://ftp.gnu.org/gnu/binutils/binutils-2.21.tar.gz'
   homepage 'http://www.gnu.org/software/binutils/binutils.html'
-  md5 'e99487e0c4343d6fa68b7c464ff4a962'
+  md5 'f11e10f312a58d82f14bf571dd9ff91c'
 
   def options
     [['--default-names', "Do NOT prepend 'g' to the binary; will override system utils."]]
@@ -17,8 +17,10 @@ class Binutils < Formula
             "--infodir=#{info}",
             "--mandir=#{man}",
             "--disable-werror",
-            "--enable-targets=x86_64-elf"]
-
+            "--enable-interwork",
+            "--enable-multilib",
+            "--enable-targets=x86_64-elf",
+            "--enable-targets=arm-none-eabi"]
     args << "--program-prefix=g" unless ARGV.include? '--default-names'
 
     system "./configure", *args