diff --git a/CMakeLists.txt b/CMakeLists.txt
index 254b8a2..3dc7b2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 SET(CMake_VERSION_MINOR 4)
 SET(CMake_VERSION_PATCH 8)
 # for an actual release this should not be defined
-SET(CMake_VERSION_RC 13)
+#SET(CMake_VERSION_RC 13)
 SET(CMake_VERSION "${CMake_VERSION_MAJOR}.${CMake_VERSION_MINOR}")
 SET(CMake_VERSION_FULL "${CMake_VERSION}.${CMake_VERSION_PATCH}")
 
diff --git a/ChangeLog.manual b/ChangeLog.manual
index cf4a087..2105093 100644
--- a/ChangeLog.manual
+++ b/ChangeLog.manual
@@ -1,3 +1,5 @@
+Changes in CMake 2.4.8
+* MSVC90 now defined for vs 9
 Changes in CMake 2.4.8 RC 13
 * fix vs 9 so it works, again...
 * fix bug 6150, working directory can now change drives with vs custom commands
diff --git a/Modules/Platform/Windows-cl.cmake b/Modules/Platform/Windows-cl.cmake
index 86afe68..8048a4a 100644
--- a/Modules/Platform/Windows-cl.cmake
+++ b/Modules/Platform/Windows-cl.cmake
@@ -136,6 +136,10 @@
         SET(MSVC80 1)
         SET(CMAKE_COMPILER_2005 1)
       ENDIF("${compilerVersion}" EQUAL 1400)
+      IF("${compilerVersion}" EQUAL 1500)
+        SET(MSVC90 1)
+        SET(MSVC80 0)
+      ENDIF("${compilerVersion}" EQUAL 1500)
       IF("${compilerVersion}" GREATER 1400)
         SET(MSVC80 1)
         SET(CMAKE_COMPILER_2005 1)
diff --git a/Modules/Platform/Windows-cl.cmake.in b/Modules/Platform/Windows-cl.cmake.in
index 0ac9ed8..1a889f2 100644
--- a/Modules/Platform/Windows-cl.cmake.in
+++ b/Modules/Platform/Windows-cl.cmake.in
@@ -7,6 +7,7 @@
 SET(MSVC70 @MSVC70@)
 SET(MSVC71 @MSVC71@)
 SET(MSVC80 @MSVC80@)
+SET(MSVC90 @MSVC90@)
 SET(MSVC_IDE @MSVC_IDE@)
 SET(MSVC_VERSION @MSVC_VERSION@)
 SET(WIN32 1)
diff --git a/Source/cmGlobalVisualStudio9Generator.cxx b/Source/cmGlobalVisualStudio9Generator.cxx
index 989c61a..ca21083 100644
--- a/Source/cmGlobalVisualStudio9Generator.cxx
+++ b/Source/cmGlobalVisualStudio9Generator.cxx
@@ -27,6 +27,11 @@
   this->FindMakeProgramFile = "CMakeVS9FindMake.cmake";
 }
 
+//----------------------------------------------------------------------------
+void cmGlobalVisualStudio9Generator::AddPlatformDefinitions(cmMakefile* mf)
+{
+  mf->AddDefinition("MSVC90", "1");
+}
 
 void cmGlobalVisualStudio9Generator::WriteSLNHeader(std::ostream& fout)
 {
diff --git a/Source/cmGlobalVisualStudio9Generator.h b/Source/cmGlobalVisualStudio9Generator.h
index 4deceb0..6b79fc0 100644
--- a/Source/cmGlobalVisualStudio9Generator.h
+++ b/Source/cmGlobalVisualStudio9Generator.h
@@ -37,6 +37,7 @@
   virtual const char* GetName() const {
     return cmGlobalVisualStudio9Generator::GetActualName();}
   static const char* GetActualName() {return "Visual Studio 9 2008";}
+  virtual void AddPlatformDefinitions(cmMakefile* mf);
 
   /** Get the documentation entry for this generator.  */
   virtual void GetDocumentation(cmDocumentationEntry& entry) const;