1 files changed, 3 insertions, 0 deletions
diff --git a/Source/cmExportSetMap.h b/Source/cmExportSetMap.h
index 4663c55..965046c 100644
--- a/Source/cmExportSetMap.h
+++ b/Source/cmExportSetMap.h
@@ -18,6 +18,7 @@ class cmExportSet;
 /// A name -> cmExportSet map with overloaded operator[].
 class cmExportSetMap : public std::map<std::string, cmExportSet*>
 {
+  typedef std::map<std::string, cmExportSet*> derived;
 public:
   /** \brief Overloaded operator[].
    *
@@ -26,6 +27,8 @@ public:
    */
   cmExportSet* operator[](const std::string &name);
 
+  void clear();
+
   /// Overloaded destructor deletes all member export sets.
   ~cmExportSetMap();
 };