diff --git a/Source/cmStateSnapshot.cxx b/Source/cmStateSnapshot.cxx
index c2510f35531efbfad3a62b6e8f6c438be3f9fd79..a649f5efa02995f6d0805acc1556f00b8500652b 100644
--- a/Source/cmStateSnapshot.cxx
+++ b/Source/cmStateSnapshot.cxx
@@ -66,6 +66,12 @@ bool cmStateSnapshot::IsValid() const
     : false;
 }
 
+cmStateSnapshot cmStateSnapshot::GetBuildsystemDirectory() const
+{
+  return cmStateSnapshot(this->State,
+                         this->Position->BuildSystemDirectory->DirectoryEnd);
+}
+
 cmStateSnapshot cmStateSnapshot::GetBuildsystemDirectoryParent() const
 {
   cmStateSnapshot snapshot;
diff --git a/Source/cmStateSnapshot.h b/Source/cmStateSnapshot.h
index 014c62e9d6dc8ef57c1189a824289957c92d4e8d..c315f4851c863f8d7397328778431acf8a64d549 100644
--- a/Source/cmStateSnapshot.h
+++ b/Source/cmStateSnapshot.h
@@ -37,6 +37,7 @@ public:
   std::vector<cmStateSnapshot> GetChildren();
 
   bool IsValid() const;
+  cmStateSnapshot GetBuildsystemDirectory() const;
   cmStateSnapshot GetBuildsystemDirectoryParent() const;
   cmStateSnapshot GetCallStackParent() const;
   cmStateSnapshot GetCallStackBottom() const;