From dd41aab0d4bfb429a38c4653c18da3b71d784ac7 Mon Sep 17 00:00:00 2001
From: Misty De Meo
Date: Tue, 15 Oct 2013 08:56:38 -0700
Subject: ld64: add version requirement

Closes #23284.
---
 Library/Formula/ld64.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'Library/Formula')

diff --git a/Library/Formula/ld64.rb b/Library/Formula/ld64.rb
index 897ff7015..69c487653 100644
--- a/Library/Formula/ld64.rb
+++ b/Library/Formula/ld64.rb
@@ -1,5 +1,18 @@
 require 'formula'
 
+class SnowLeopardOrOlder < Requirement
+  fatal true
+  def satisfied?
+    MacOS.version <= :snow_leopard
+  end
+
+  def message; <<-EOS.undent
+    This version of ld64 will only build on 10.6 and older.
+    It is provided for older versions of OS X.
+    EOS
+  end
+end
+
 class Ld64 < Formula
   homepage 'http://opensource.apple.com/'
   # Latest is 134.9, but it no longer supports building for PPC.
@@ -10,6 +23,8 @@ class Ld64 < Formula
   url 'http://opensource.apple.com/tarballs/ld64/ld64-97.17.tar.gz'
   sha1 '7c1d816c2fec02e558f4a528d16d8161f0e379b5'
 
+  depends_on SnowLeopardOrOlder
+
   # Tiger either includes old versions of these headers,
   # or doesn't ship them at all
   depends_on 'cctools-headers' => :build
-- 
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