diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index f182ad248f..ec05a0ed45 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -1112,12 +1112,44 @@ void cmake::SetHomeDirectory(const std::string& dir)
   cmSystemTools::ConvertToUnixSlashes(this->cmHomeDirectory);
 }
 
+const char* cmake::GetHomeDirectory() const
+{
+  return this->cmHomeDirectory.c_str();
+}
+
 void cmake::SetHomeOutputDirectory(const std::string& dir)
 {
   this->HomeOutputDirectory = dir;
   cmSystemTools::ConvertToUnixSlashes(this->HomeOutputDirectory);
 }
 
+const char* cmake::GetHomeOutputDirectory() const
+{
+  return this->HomeOutputDirectory.c_str();
+}
+
+const char* cmake::GetStartDirectory() const
+{
+  return this->cmStartDirectory.c_str();
+}
+
+void cmake::SetStartDirectory(const std::string& dir)
+{
+  this->cmStartDirectory = dir;
+  cmSystemTools::ConvertToUnixSlashes(this->cmStartDirectory);
+}
+
+const char* cmake::GetStartOutputDirectory() const
+{
+  return this->StartOutputDirectory.c_str();
+}
+
+void cmake::SetStartOutputDirectory(const std::string& dir)
+{
+  this->StartOutputDirectory = dir;
+  cmSystemTools::ConvertToUnixSlashes(this->StartOutputDirectory);
+}
+
 void cmake::SetGlobalGenerator(cmGlobalGenerator *gg)
 {
   if(!gg)
diff --git a/Source/cmake.h b/Source/cmake.h
index 26ee8fe3c2..87b771d8ff 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -113,15 +113,9 @@ class cmake
    * and going up until it reaches the HomeDirectory.
    */
   void SetHomeDirectory(const std::string& dir);
-  const char* GetHomeDirectory() const
-    {
-    return this->cmHomeDirectory.c_str();
-    }
+  const char* GetHomeDirectory() const;
   void SetHomeOutputDirectory(const std::string& dir);
-  const char* GetHomeOutputDirectory() const
-    {
-    return this->HomeOutputDirectory.c_str();
-    }
+  const char* GetHomeOutputDirectory() const;
   //@}
 
   //@{
@@ -132,24 +126,10 @@ class cmake
    * recursing up the tree starting at the StartDirectory and going up until
    * it reaches the HomeDirectory.
    */
-  void SetStartDirectory(const std::string& dir)
-    {
-      this->cmStartDirectory = dir;
-      cmSystemTools::ConvertToUnixSlashes(this->cmStartDirectory);
-    }
-  const char* GetStartDirectory() const
-    {
-      return this->cmStartDirectory.c_str();
-    }
-  void SetStartOutputDirectory(const std::string& dir)
-    {
-      this->StartOutputDirectory = dir;
-      cmSystemTools::ConvertToUnixSlashes(this->StartOutputDirectory);
-    }
-  const char* GetStartOutputDirectory() const
-    {
-      return this->StartOutputDirectory.c_str();
-    }
+  void SetStartDirectory(const std::string& dir);
+  const char* GetStartDirectory() const;
+  void SetStartOutputDirectory(const std::string& dir);
+  const char* GetStartOutputDirectory() const;
   //@}
 
   /**