From 6f6b1111f099082e41ffc9a10590cf0c34f71eeb Mon Sep 17 00:00:00 2001
From: Misty De Meo <mistydemeo@gmail.com>
Date: Thu, 18 Dec 2014 21:51:08 -0800
Subject: [PATCH] Mac: don't call xcrun on Tiger

---
 Library/Homebrew/os/mac.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index aa90cfc43b..50f4e6d9ad 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -48,7 +48,8 @@ module OS
         # Homebrew GCCs most frequently; much faster to check this before xcrun
         elsif (path = HOMEBREW_PREFIX/"bin/#{tool}").executable?
           path
-        else
+        # xcrun was introduced in Xcode 3 on Leopard
+        elsif MacOS.version > :tiger
           path = Utils.popen_read("/usr/bin/xcrun", "-no-cache", "-find", tool).chomp
           Pathname.new(path) if File.executable?(path)
         end