Add support for passing configuration hints via module init()

2 files changed, 11 insertions, 3 deletions

diff --git a/build2/config/module b/build2/config/module
index 6012442..912ab57 100644
--- a/build2/config/module
+++ b/build2/config/module
@@ -32,8 +32,13 @@ namespace build2
     config_boot (scope&, const location&, unique_ptr<module_base>&);
 
     extern "C" bool
-    config_init (
-      scope&, scope&, const location&, unique_ptr<module_base>&, bool, bool);
+    config_init (scope&,
+                 scope&,
+                 const location&,
+                 unique_ptr<module_base>&,
+                 bool,
+                 bool,
+                 const variable_map&);
   }
 }
 
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)