Issue 4870: [midi2ly] Delay import of 'midi' module.

[lilypond.git] / lily / spanner-break-forbid-engraver.cc

diff --git a/lily/spanner-break-forbid-engraver.cc b/lily/spanner-break-forbid-engraver.cc
index 4a47aade98c241b060165500b24d66340bfd9123..adebe934ef0e2fc3add9ddf8ecea568a152c7faa 100644 (file)
--- a/lily/spanner-break-forbid-engraver.cc
+++ b/lily/spanner-break-forbid-engraver.cc
@@ -66,8 +66,13 @@ Spanner_break_forbid_engraver::Spanner_break_forbid_engraver ()
 {
 }
 
-ADD_END_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
-ADD_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
+void
+Spanner_break_forbid_engraver::boot ()
+{
+  ADD_END_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
+  ADD_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
+}
+
 ADD_TRANSLATOR (Spanner_break_forbid_engraver,
                 /* doc */
                 "Forbid breaks in certain spanners.",