From ab761edaef03ede2e017ea2e7b76f4342fe444a1 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 24 Feb 2003 11:02:23 -0500
Subject: BUG: Fixed crash when CMAKE_BACKWARDS_COMPATIBILITY is deleted
 between configures.

---
 Source/cmake.cxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 0dad7cf..cd0ab2f 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -781,6 +781,18 @@ int cmake::Configure()
                                   cmCacheManager::INTERNAL);
     }
   
+  // set the default BACKWARDS compatibility to the current version
+  if(!m_CacheManager->GetCacheValue("CMAKE_BACKWARDS_COMPATIBILITY"))
+    {
+    char ver[256];
+    sprintf(ver,"%i.%i",cmMakefile::GetMajorVersion(),
+            cmMakefile::GetMinorVersion());
+    this->m_CacheManager->AddCacheEntry
+      ("CMAKE_BACKWARDS_COMPATIBILITY",ver, 
+       "For backwards compatibility, what version of CMake commands and syntax should this version of CMake allow.",
+       cmCacheManager::STRING);
+    }  
+  
   // no generator specified on the command line
   if(!m_GlobalGenerator)
     {
-- 
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