[vala] Set G_SIGNAL_DEPRECATED on annotated signals

[Luca Bruno <lucabru src gnome org>]

commit 890351d7043d402ae67536db9f82f45dffa45608
Author: Simon Werbeck <simon werbeck gmail com>
Date:   Sat Jun 28 01:41:52 2014 +0200

    Set G_SIGNAL_DEPRECATED on annotated signals
    
    When using the [Deprecated] attribute on a signal, the corresponding
    signal flag is now set upon signal creation. This requires that
    --target-glib is set accordingly
    
    Fixes bug 732381

 codegen/valagsignalmodule.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valagsignalmodule.vala b/codegen/valagsignalmodule.vala
index a350edd..3f8e1ea 100644
--- a/codegen/valagsignalmodule.vala
+++ b/codegen/valagsignalmodule.vala
@@ -333,6 +333,10 @@ public class Vala.GSignalModule : GObjectModule {
                        flags += "G_SIGNAL_NO_HOOKS";
                }
 
+               if (sig.get_attribute ("Deprecated") != null && CodeContext.get ().require_glib_version (2, 
31)) {
+                       flags += "G_SIGNAL_DEPRECATED";
+               }
+
                csignew.add_argument (new CCodeConstant (string.joinv (" | ", flags)));
 
                if (sig.default_handler == null) {