1 files changed, 4 insertions, 1 deletions
diff --git a/build2/config/module.cxx b/build2/config/module.cxx
index 16eabe9..70301c5 100644
--- a/build2/config/module.cxx
+++ b/build2/config/module.cxx
@@ -59,7 +59,8 @@ namespace build2
                  const location& l,
                  unique_ptr<module_base>& mod,
                  bool first,
-                 bool)
+                 bool,
+                 const variable_map& config_hints)
     {
       tracer trace ("config::init");
 
@@ -71,6 +72,8 @@ namespace build2
 
       l5 ([&]{trace << "for " << root.out_path ();});
 
+      assert (config_hints.empty ()); // We don't known any hints.
+
       // Only create the module if we are configuring.
       //
       if (current_mif->id == configure_id)