X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgdb.cc;h=d01961985252681729911af9c1f5e956183c507e;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=3c1700b863bef3962a0691d13d88e9c8b96ba5e2;hpb=df4a7c4a55148e065d878dcc2f7e09ac27ea9c32;p=lilypond.git

diff --git a/lily/gdb.cc b/lily/gdb.cc
index 3c1700b863..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 (Grob* g)
-{
-  return dynamic_cast<Item*>(g);
-}
-Spanner*
-to_spanner (Grob*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);
+  }
 }