diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index 9228457965..3b2da74c7f 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -180,11 +180,16 @@ module HomebrewEnvExtension
   def cxx
     ENV['cxx'] or "g++"
   end
-  # in case you need it
+
   def m64
     append_to_cflags '-m64'
     ENV['LDFLAGS'] += '-arch x86_64'
   end
+  def m32
+    append_to_cflags '-m32'
+    ENV['LDFLAGS'] += '-arch i386'
+  end
+
   # i386 and x86_64 only, no PPC
   def universal_binary
     append_to_cflags '-arch i386 -arch x86_64'