diff --git a/elab_expr.cc b/elab_expr.cc
index 2de3748e5..980446132 100644
--- a/elab_expr.cc
+++ b/elab_expr.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999-2011 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 1999-2012 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -1420,7 +1420,7 @@ static NetExpr* check_for_enum_methods(const LineInfo*li,
 }
 
 static NetExpr* check_for_struct_members(const LineInfo*li,
-					 Design*des, NetScope*scope,
+					 Design*des, NetScope*,
 					 NetNet*net, perm_string method_name)
 {
       netstruct_t*type = net->struct_type();
diff --git a/elab_lval.cc b/elab_lval.cc
index 6376c05e1..4e5934841 100644
--- a/elab_lval.cc
+++ b/elab_lval.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2011 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2000-2012 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -622,7 +622,7 @@ bool PEIdent::elaborate_lval_net_idx_(Design*des,
 }
 
 bool PEIdent::elaborate_lval_net_packed_member_(Design*des,
-						NetScope*scope,
+						NetScope*,
 						NetAssign_*lv,
 						const perm_string&member_name) const
 {
diff --git a/ivl.def b/ivl.def
index 4e57899c5..603c116e8 100644
--- a/ivl.def
+++ b/ivl.def
@@ -230,6 +230,9 @@ ivl_signal_msb
 ivl_signal_name
 ivl_signal_nex
 ivl_signal_npath
+ivl_signal_packed_dimensions
+ivl_signal_packed_lsb
+ivl_signal_packed_msb
 ivl_signal_path
 ivl_signal_port
 ivl_signal_scope
diff --git a/pform_struct_type.cc b/pform_struct_type.cc
index 1e07db36d..1fe44bbe8 100644
--- a/pform_struct_type.cc
+++ b/pform_struct_type.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2011-2012 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -79,7 +79,7 @@ static void pform_makewire(const struct vlltype&li,
 			   struct_type_t*struct_type,
 			   NetNet::PortType ptype,
 			   perm_string name,
-			   list<named_pexpr_t>*attr)
+			   list<named_pexpr_t>*)
 {
       ivl_variable_type_t base_type = figure_struct_base_type(struct_type);