X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fvertical-align-engraver.cc;h=921b35a47113ace9436136ed08664610127af9fc;hb=750b714488c5af6eae22d07163bba8b554734ac6;hp=6a47809fd728d64fe33f03020bae8440cfb79d30;hpb=626874c8eecfbeb04ca8ffec3fb78da48859b42f;p=lilypond.git

diff --git a/lily/vertical-align-engraver.cc b/lily/vertical-align-engraver.cc
index 6a47809fd7..921b35a471 100644
--- a/lily/vertical-align-engraver.cc
+++ b/lily/vertical-align-engraver.cc
@@ -37,7 +37,7 @@ class Vertical_align_engraver : public Engraver
 
 public:
   TRANSLATOR_DECLARATIONS (Vertical_align_engraver);
-  DECLARE_ACKNOWLEDGER (axis_group);
+  void acknowledge_axis_group (Grob_info);
 
 protected:
   virtual void derived_mark () const;
@@ -48,7 +48,12 @@ protected:
   bool top_level_;
 };
 
-ADD_ACKNOWLEDGER (Vertical_align_engraver, axis_group);
+void
+Vertical_align_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Vertical_align_engraver, axis_group);
+}
+
 ADD_TRANSLATOR (Vertical_align_engraver,
                 /* doc */
                 "Catch groups (staves, lyrics lines, etc.) and stack them"
@@ -66,7 +71,8 @@ ADD_TRANSLATOR (Vertical_align_engraver,
                 ""
                );
 
-Vertical_align_engraver::Vertical_align_engraver ()
+Vertical_align_engraver::Vertical_align_engraver (Context *c)
+  : Engraver (c)
 {
   valign_ = 0;
   id_to_group_hashtab_ = SCM_EOL;