[gnome-control-center] configure: fix build with --disable-ibus

[Rico Tzschichholz <ricotz src gnome org>]

commit fbe6756c6f2104d78854da927b96c3d88cd31a2e
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Fri Jul 27 09:06:47 2012 +0200

    configure: fix build with --disable-ibus
    
    https://bugzilla.gnome.org/show_bug.cgi?id=680133

 configure.ac |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 52d3cec..2868284 100644
--- a/configure.ac
+++ b/configure.ac
@@ -63,6 +63,8 @@ else
 fi
 
 # IBus support
+IBUS_REQUIRED_VERSION=1.4.99
+
 AC_ARG_ENABLE(ibus,
         AS_HELP_STRING([--disable-ibus],
                        [Disable IBus support]),
@@ -70,7 +72,7 @@ AC_ARG_ENABLE(ibus,
         enable_ibus=yes)
 
 if test "x$enable_ibus" = "xyes" ; then
-        IBUS_MODULE=ibus-1.0
+        IBUS_MODULE="ibus-1.0 >= $IBUS_REQUIRED_VERSION"
         AC_DEFINE(HAVE_IBUS, 1, [Defined if IBus support is enabled])
 else
         IBUS_MODULE=
@@ -94,7 +96,6 @@ SCHEMAS_REQUIRED_VERSION=3.5.3
 LIBWACOM_REQUIRED_VERSION=0.5
 CLUTTER_REQUIRED_VERSION=1.11.3
 GOA_REQUIRED_VERSION=3.5.1
-IBUS_REQUIRED_VERSION=1.4.99
 
 COMMON_MODULES="gtk+-3.0 >= $GTK_REQUIRED_VERSION
  glib-2.0 >= $GLIB_REQUIRED_VERSION
@@ -132,7 +133,7 @@ PKG_CHECK_MODULES(PRINTERS_PANEL, $COMMON_MODULES
 PKG_CHECK_MODULES(REGION_PANEL, $COMMON_MODULES
                   polkit-gobject-1 >= $POLKIT_REQUIRED_VERSION
                   gnome-desktop-3.0 >= $GNOME_DESKTOP_REQUIRED_VERSION
-                  $IBUS_MODULE >= $IBUS_REQUIRED_VERSION)
+                  $IBUS_MODULE)
 PKG_CHECK_MODULES(SCREEN_PANEL, $COMMON_MODULES)
 PKG_CHECK_MODULES(SOUND_PANEL, $COMMON_MODULES libxml-2.0
                   libcanberra-gtk3 >= $CANBERRA_REQUIRED_VERSION