From 61d80f051293a7449a09081f60f48b8377bfbbad Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 31 Mar 2021 10:45:21 +0200
Subject: Adjust to changes in GCC 11

---
 odb/gcc.hxx | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/odb/gcc.hxx b/odb/gcc.hxx
index af0e2a0..e5fecef 100644
--- a/odb/gcc.hxx
+++ b/odb/gcc.hxx
@@ -163,6 +163,7 @@ gcc_tree_code_name (gcc_tree_code_type tc) {return tree_code_name[tc];}
 // In GCC 9:
 //
 // INCLUDED_FROM     Became linemap_included_from_linemap().
+//
 // LAST_SOURCE_LINE  Was removed apparently as no longer used. Studying
 //                   the line-map.h diff from 8.3 suggests that the old
 //                   implementation should still work.
@@ -192,4 +193,23 @@ LAST_SOURCE_LINE (const line_map_ordinary* map)
 
 #endif
 
+// In GCC 11:
+//
+// lookup_qualified_name() has a new interface.
+//
+// DECL_IS_BUILTIN became DECL_IS_UNDECLARED_BUILTIN.
+//
+#if BUILDING_GCC_MAJOR >= 11
+
+inline tree
+lookup_qualified_name (tree scope, tree name, bool type, bool complain)
+{
+  return lookup_qualified_name (
+    scope, name, (type ? LOOK_want::TYPE : LOOK_want::NORMAL), complain);
+}
+
+#define DECL_IS_BUILTIN(decl) DECL_IS_UNDECLARED_BUILTIN(decl)
+
+#endif
+
 #endif // ODB_GCC_HXX
-- 
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