codegen: Add target/destroy type declarations for delegates as needed

This improves the support of POSIX profile.

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index a0b4b05759b283898f39c6a5dc75702bf6b431ff..acadf940e857163528afb4546cf144dc39ad50c3 100644 (file)
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -1486,6 +1486,12 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                        var deleg_type = (DelegateType) type;
                        var d = deleg_type.delegate_symbol;
                        generate_delegate_declaration (d, decl_space);
+                       if (d.has_target) {
+                               generate_type_declaration (delegate_target_type, decl_space);
+                               if (deleg_type.is_disposable ()) {
+                                       generate_type_declaration (delegate_target_destroy_type, decl_space);
+                               }
+                       }
                } else if (type.data_type is Enum) {
                        var en = (Enum) type.data_type;
                        generate_enum_declaration (en, decl_space);