From 2f927a538b14593de3f355bcd76b001231f69acb Mon Sep 17 00:00:00 2001
From: Ken Martin <ken.martin@kitware.com>
Date: Thu, 13 Mar 2003 12:59:46 -0500
Subject: [PATCH] allow the same subdir to be added twice

---
 Source/cmMakefile.cxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 8979cce98..737e945f3 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -570,7 +570,12 @@ void cmMakefile::AddLinkDirectory(const char* dir)
 
 void cmMakefile::AddSubDirectory(const char* sub)
 {
-  m_SubDirectories.push_back(sub);
+  // make sure it isn't already there
+  if (std::find(m_SubDirectories.begin(),
+                m_SubDirectories.end(), sub) == m_SubDirectories.end())  
+    {
+    m_SubDirectories.push_back(sub);
+    }
 }
 
 void cmMakefile::AddIncludeDirectory(const char* inc, bool before)