From 53e0ed3273c1a4a8f304f482220a474c3bc0e689 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 4 Mar 2008 18:41:52 -0500
Subject: BUG: Fix crash when CMAKE_BACKWARDS_COMPATIBILITY is not set.

---
 Source/cmGlobalGenerator.cxx         | 4 +---
 Source/cmIncludeDirectoryCommand.cxx | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 003788e..cf9d0a9 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -464,9 +464,7 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
           // backwards compatibility files they have to load
           // These files have a bunch of try compiles in them so
           // should only be done
-          const char* versionValue
-            = mf->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY");
-          if (atof(versionValue) <= 1.4)
+          if (mf->NeedBackwardsCompatibility(1,4))
             {
             if(strcmp(lang, "C") == 0)
               {
diff --git a/Source/cmIncludeDirectoryCommand.cxx b/Source/cmIncludeDirectoryCommand.cxx
index e51116d..a39724a 100644
--- a/Source/cmIncludeDirectoryCommand.cxx
+++ b/Source/cmIncludeDirectoryCommand.cxx
@@ -50,11 +50,9 @@ bool cmIncludeDirectoryCommand
       }
     if(i->size() == 0)
       {
-      const char* versionValue =
-        this->Makefile->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY");
       const char* errorMessage
         = "Empty Include Directory Passed into INCLUDE_DIRECTORIES command.";
-      if(atof(versionValue) < 2.5)
+      if(this->Makefile->NeedBackwardsCompatibility(2,4))
         {
         cmSystemTools::Error(errorMessage);
         }
-- 
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