diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index b5eb09d145c..d652d97e94d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2008-04-25  Jay Foad  <jay.foad@gmail.com>
+
+	* reloc16.c (bfd_coff_reloc16_get_value): Add support for
+	undefined weak symbols.
+
 2008-04-25  Nick Clifton  <nickc@redhat.com>
 
 	* po/vi.po: Updated Vietnamese translation.
diff --git a/bfd/reloc16.c b/bfd/reloc16.c
index 4e3107fb937..b4087cbd58a 100644
--- a/bfd/reloc16.c
+++ b/bfd/reloc16.c
@@ -76,6 +76,10 @@ bfd_coff_reloc16_get_value (reloc, link_info, input_section)
       else if (h != (struct bfd_link_hash_entry *) NULL
 	       && h->type == bfd_link_hash_common)
 	value = h->u.c.size;
+      else if (h != (struct bfd_link_hash_entry *) NULL
+	       && h->type == bfd_link_hash_undefweak)
+	/* This is a GNU extension.  */
+	value = 0;
       else
 	{
 	  if (!((*link_info->callbacks->undefined_symbol)