[empathy] Make use of new GLib macros to check API we are using

[Guillaume Desmottes <gdesmott src gnome org>]

commit 74fcb7a804d072361051faaa884ef6071edea65a
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Wed Mar 7 11:04:18 2012 +0100

    Make use of new GLib macros to check API we are using

 configure.ac                  |   10 ++++------
 libempathy-gtk/empathy-chat.c |    3 ++-
 2 files changed, 6 insertions(+), 7 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 76d02e4..3a0c72d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,9 +35,12 @@ AC_COPYRIGHT([
 
 # Hardp deps
 FOLKS_REQUIRED=0.6.6
-GLIB_REQUIRED=2.30.0
 GNUTLS_REQUIRED=2.8.5
 
+GLIB_REQUIRED=2.30.0
+AC_DEFINE(GLIB_VERSION_MIN_REQUIRED, GLIB_VERSION_2_30, [Ignore post 2.30 deprecations])
+AC_DEFINE(GLIB_VERSION_MAX_REQUIRED, GLIB_VERSION_2_30, [Prevent post 2.30 APIs])
+
 GTK_REQUIRED=3.0.2
 AC_DEFINE(GDK_VERSION_MIN_REQUIRED, GDK_VERSION_3_0, [Ignore post 3.0 deprecations])
 AC_DEFINE(GDK_VERSION_MAX_REQUIRED, GDK_VERSION_3_0, [Prevent post 3.0 APIs])
@@ -70,11 +73,6 @@ CHAMPLAIN_REQUIRED=0.12.1
 #ifelse(empathy_released, 1, [], [enable_maintainer_mode="yes"])
 #GNOME_MAINTAINER_MODE_DEFINES
 
-# Disable GLib deprecation warnings for now; we don't want to bump the GLib dep
-# and make things harder for contributiors without good reason. We'll re-enable
-# those warnings later during the cycle (bgo #662662)
-AC_DEFINE(GLIB_DISABLE_DEPRECATION_WARNINGS, 1, [Build with GLib deprecated])
-
 # FIXME: bgo #669673
 AC_DEFINE(CLUTTER_DISABLE_DEPRECATION_WARNINGS, 1, [Build with Clutter deprecated])
 
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index d273a37..b98f521 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -26,11 +26,12 @@
  */
 
 #include <config.h>
+/* for GCompletion */
+#define GLIB_DISABLE_DEPRECATION_WARNINGS 1
 
 #include <string.h>
 #include <stdlib.h>
 
-#undef G_DISABLE_DEPRECATED /* for GCompletion */
 #include <gdk/gdkkeysyms.h>
 #include <glib/gi18n-lib.h>
 #include <gtk/gtk.h>