diff --git a/Library/ENV/4.3/cc b/Library/ENV/4.3/cc
index 1c1f3adcec..cd77caf0bf 100755
--- a/Library/ENV/4.3/cc
+++ b/Library/ENV/4.3/cc
@@ -185,7 +185,7 @@ class Cmd
       args << '-march=native' if tool =~ /clang/
     end
 
-    ENV['HOMEBREW_ARCHS'].split(',').each { |a| args << "-arch" << a } if cccfg? 'u'
+    args.concat(archflags)
     args << "-std=#{@arg0}" if @arg0 =~ /c[89]9/
     args
   end
@@ -196,6 +196,11 @@ class Cmd
     args << '-stdlib=libstdc++' if cccfg? 'h'
     args
   end
+  def archflags
+    args = []
+    ENV['HOMEBREW_ARCHS'].split(',').each { |a| args << "-arch" << a } if cccfg? 'u'
+    args
+  end
   def syslibpath
     # We reject brew's lib as we explicitly add this as a -L flag, thus it
     # is given higher priority by cc, so it surpasses the system libpath.