From 0e6df1c3bf1c5f5d23bcfa5c668d26cf48dffd20 Mon Sep 17 00:00:00 2001
From: Misty De Meo <mistydemeo@gmail.com>
Date: Thu, 24 Oct 2013 20:29:14 -0700
Subject: [PATCH] detect_cxx_stdlibs: use mach_o_files

---
 Library/Homebrew/keg_fix_install_names.rb | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/Library/Homebrew/keg_fix_install_names.rb b/Library/Homebrew/keg_fix_install_names.rb
index 694daaba8a..9210e70e3f 100644
--- a/Library/Homebrew/keg_fix_install_names.rb
+++ b/Library/Homebrew/keg_fix_install_names.rb
@@ -47,13 +47,9 @@ class Keg
   # Note that this doesn't attempt to distinguish between libstdc++ versions,
   # for instance between Apple libstdc++ and GNU libstdc++
   def detect_cxx_stdlibs
-    return [] unless lib.exist?
-
     results = Set.new
-    lib.find do |file|
-      next if file.symlink? || file.directory?
-      next unless file.dylib?
 
+    mach_o_files.each do |file|
       dylibs = file.dynamically_linked_libraries
       results << :libcxx unless dylibs.grep(/libc\+\+.+\.dylib/).empty?
       results << :libstdcxx unless dylibs.grep(/libstdc\+\+.+\.dylib/).empty?