From f35c0c2a171067ed6d953d7291c97de711301a61 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 6 Feb 2009 11:49:00 -0500
Subject: [PATCH] BUG: Fix OS X FW symlink byproduct dependencies

When testing whether to re-run CMake, a byproduct may be a symlink.  If
so, the existence of the link is important rather than the link's
target.  See issue #8465.
---
 Source/cmake.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 69cf6b4c0..eda91a384 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -2666,7 +2666,8 @@ int cmake::CheckBuildSystem()
   for(std::vector<std::string>::const_iterator pi = products.begin();
       pi != products.end(); ++pi)
     {
-    if(!cmSystemTools::FileExists(pi->c_str()))
+    if(!(cmSystemTools::FileExists(pi->c_str()) ||
+         cmSystemTools::FileIsSymlink(pi->c_str())))
       {
       if(verbose)
         {