1 files changed, 4 insertions, 0 deletions

diff --git a/src/perform.h b/src/perform.h
index 020af42..5a961e2 100644
--- a/src/perform.h
+++ b/src/perform.h
@@ -5,6 +5,8 @@
 #include <list>
 #include <string>
 
+class Build;
+
 class Perform
 {
 public:
@@ -12,6 +14,8 @@ public:
         virtual ~Perform();
 
         void addParam( const char *sParam );
+        virtual Perform *duplicate( Build &bld, const std::string &cont ) = 0;
+        void copyData( Perform *pSrc, Build &bld, const std::string &cont );
 
 private:
         std::list<std::string> lParam;