formula.rb: Change fails_with_llvm for XCode 4.2

Suggest trying `--use-clang` instead of `--use-gcc` (which does nothing).

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

1 files changed, 5 insertions, 1 deletions

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 9609e608e..2609c1315 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -351,7 +351,11 @@ class Formula
         that we can update the formula accordingly. Thanks!
         EOS
       puts
-      puts "If it doesn't work you can: brew install --use-gcc"
+      if xcode_version < "4.2"
+        puts "If it doesn't work you can: brew install --use-gcc"
+      else
+        puts "If it doesn't work you can try: brew install --use-clang"
+      end
       puts
     end
   end