1 files changed, 16 insertions, 0 deletions
diff --git a/libbuild2/config/operation.hxx b/libbuild2/config/operation.hxx
index 8b2a29d..9ec854a 100644
--- a/libbuild2/config/operation.hxx
+++ b/libbuild2/config/operation.hxx
@@ -5,6 +5,8 @@
 #ifndef LIBBUILD2_CONFIG_OPERATION_HXX
 #define LIBBUILD2_CONFIG_OPERATION_HXX
 
+#include <set>
+
 #include <libbuild2/types.hxx>
 #include <libbuild2/utility.hxx>
 
@@ -23,6 +25,20 @@ namespace build2
                        vector_view<opspec>&,
                        bool,
                        const location&);
+
+    // Configuration exporting.
+    //
+    using project_set = std::set<const scope*>; // Pointers for comparison.
+
+    // If inherit is false, then don't rely on inheritance from outer scopes
+    // (used for config.export). In this case the already configured project
+    // set can be empty.
+    //
+    void
+    save_config (const scope& rs,
+                 ostream&, const string& name,
+                 bool inherit,
+                 const project_set&);
   }
 }