X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgdb.cc;h=d01961985252681729911af9c1f5e956183c507e;hb=ae050ca38fb9ba535b451c501859e29ad2feea33;hp=0df1e5085acb07836453f30bc07ee7fb2d64b6ca;hpb=0a92b605eb18b62d171c97f354c2101109d9e071;p=lilypond.git

diff --git a/lily/gdb.cc b/lily/gdb.cc
index 0df1e5085a..d019619852 100644
--- a/lily/gdb.cc
+++ b/lily/gdb.cc
@@ -1,14 +1,22 @@
-#include "item.hh"
 #include "spanner.hh"
+#include "paper-column.hh"
 
-// thanks to GDBs wonderful casting abilities, we need these:
-Item*
-to_item (Graphical_element* g)
-{
-  return dynamic_cast<Item*>(g);
-}
-Spanner*
-to_spanner (Graphical_element*g)
-{
-  return dynamic_cast<Spanner*>(g);
+extern "C" {
+  // thanks to GDBs wonderful casting abilities, we need these:
+  Item *
+  to_item (Grob *g)
+  {
+    return dynamic_cast<Item *> (g);
+  }
+  Spanner *
+  to_spanner (Grob *g)
+  {
+    return dynamic_cast<Spanner *> (g);
+  }
+
+  Paper_column *
+  to_pc (Grob *g)
+  {
+    return dynamic_cast<Paper_column *> (g);
+  }
 }