1 files changed, 12 insertions, 0 deletions
diff --git a/libbuild2/adhoc-rule-buildscript.hxx b/libbuild2/adhoc-rule-buildscript.hxx
index 7f9c10a..51d37d4 100644
--- a/libbuild2/adhoc-rule-buildscript.hxx
+++ b/libbuild2/adhoc-rule-buildscript.hxx
@@ -38,6 +38,18 @@ namespace build2
     target_state
     perform_update_file (action, const target&) const;
 
+    struct match_data;
+
+    target_state
+    perform_update_file_dyndep (action, const target&, match_data&) const;
+
+    bool
+    execute_update_file (const scope&,
+                         action a, const file&,
+                         build::script::environment&,
+                         build::script::default_runner&,
+                         bool deferred_failure = false) const;
+
     target_state
     default_action (action, const target&, const optional<timestamp>&) const;