X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fconcurrent-hairpin-engraver.cc;h=3fdf6524c243f6745fa93883b7b46223528c1ca7;hb=37893d923c65a5f1aec6c78f7225704d2ccec666;hp=aa167b7de40a55120e4179d3d8c1a4ca05582bcd;hpb=d2762a4f1add2bb04d6fc34d3c7ae03eeb7d500f;p=lilypond.git

diff --git a/lily/concurrent-hairpin-engraver.cc b/lily/concurrent-hairpin-engraver.cc
index aa167b7de4..3fdf6524c2 100644
--- a/lily/concurrent-hairpin-engraver.cc
+++ b/lily/concurrent-hairpin-engraver.cc
@@ -34,8 +34,8 @@ public:
   TRANSLATOR_DECLARATIONS (Concurrent_hairpin_engraver);
 
 protected:
-  DECLARE_ACKNOWLEDGER (hairpin);
-  DECLARE_END_ACKNOWLEDGER (hairpin);
+  void acknowledge_hairpin (Grob_info);
+  void acknowledge_end_hairpin (Grob_info);
 
   void stop_translation_timestep ();
   void finalize ();
@@ -100,8 +100,13 @@ Concurrent_hairpin_engraver::finalize ()
   hairpins_hanging_out_.resize (0);
 }
 
-ADD_ACKNOWLEDGER (Concurrent_hairpin_engraver, hairpin);
-ADD_END_ACKNOWLEDGER (Concurrent_hairpin_engraver, hairpin);
+
+void
+Concurrent_hairpin_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Concurrent_hairpin_engraver, hairpin);
+  ADD_END_ACKNOWLEDGER (Concurrent_hairpin_engraver, hairpin);
+}
 
 ADD_TRANSLATOR (Concurrent_hairpin_engraver,
                 /* doc */