Reimplement ibus-gconf so it does not depend on GConf-2 database

configure.ac

 # vim:set et ts=4:
 #
 # ibus - The Input Bus
 #
 # Copyright (c) 2007-2010 Peng Huang <shawn.p.huang@gmail.com>
 # Copyright (c) 2007-2010 Red Hat, Inc.
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
@@ skipping 94 matching lines @@
 ])
 
 # check for gtk-doc
 GTK_DOC_CHECK(1.9)
 
 # check for dbus-glib
 PKG_CHECK_MODULES(DBUS, [
     dbus-1
 ])
 
-# check gconf
-PKG_CHECK_MODULES(GCONF,
-    [gconf-2.0 >= 2.12],
+AC_ARG_ENABLE(gconf,
+    AS_HELP_STRING([--disable-gconf],
+                   [Do not use GConf code]),
+    [enable_gconf=$enableval],
+    [enable_gconf=yes]
 )
 
-AC_PATH_PROG(GCONFTOOL, gconftool-2, no)
-if test x"$GCONFTOOL" = xno; then
-    AC_MSG_ERROR([gconftool-2 executable not found in your path - should be installed with GConf])
-fi
+AM_CONDITIONAL([ENABLE_GCONF], [test "x$enable_gconf" = "xyes"])
 
-AM_GCONF_SOURCE_2
+if test x"$enable_gconf" != x"no"; then
+    # check gconf
+    PKG_CHECK_MODULES(GCONF,
+        [gconf-2.0 >= 2.12],
+    )
+
+    AC_PATH_PROG(GCONFTOOL, gconftool-2, no)
+    if test x"$GCONFTOOL" = xno; then
+        AC_MSG_ERROR([gconftool-2 executable not found in your path - should be installed with GConf])
+    fi
+
+    AM_GCONF_SOURCE_2
 
 # GCONF_SERVERDIR=`$PKG_CONFIG --variable=gconf_serverdir gconf-2.0`
 # old_path=$PATH
 # if test x"$GCONF_SERVERDIR" != x; then
 #     PATH=$GCONF_SERVERDIR:$PATH
 # fi
 # 
 # AC_PATH_PROG(GCONF_SANITY_CHECK, gconf-sanity-check-2, no)
 # if test x"$GCONF_SANITY_CHECK" = xno; then
 #     AC_MSG_ERROR([gconf-sanity-check-2 executable not found in your path - should be installed with GConf])
 # fi
 # 
 # AC_SUBST(GCONF_SANITY_CHECK)
 # PATH=$old_path
+else
+AM_CONDITIONAL([GCONF_SCHEMAS_INSTALL], [0])
+fi
 
 # Check for x11
 PKG_CHECK_MODULES(X11, [
     x11
 ])
 
 AC_CHECK_HEADERS([X11/XKBlib.h])
 
 # check env
 AC_PATH_PROG(ENV, env)
@@ skipping 88 matching lines @@
         AC_MSG_WARN([can not find iso-codes. It is required.])
     fi
 fi
 
 # OUTPUT files
 AC_CONFIG_FILES([ po/Makefile.in
 Makefile
 ibus-1.0.pc
 ibus.spec
 xinput-ibus
-gconf/Makefile
-gconf/gconf.xml.in
+memconf/Makefile
+memconf/memconf.xml.in
 client/Makefile
 client/gtk2/Makefile
 client/x11/Makefile
 src/Makefile
 src/ibusversion.h
 bus/Makefile
 util/Makefile
 util/IMdkit/Makefile
 data/Makefile
 data/icons/Makefile
@@ skipping 11 matching lines @@
     ibus/interface/Makefile
     ui/Makefile
     ui/gtk/Makefile
     ui/gtk/ibus-ui-gtk
     ui/gtk/gtkpanel.xml.in
     setup/Makefile
     setup/ibus-setup
     ])
 fi
 
+if test x"$enable_gconf" != x"no"; then
+    AC_CONFIG_FILES([
+    gconf/Makefile
+    gconf/gconf.xml.in
+    ])
+fi
+
 AC_OUTPUT
 AC_MSG_RESULT([
 Build options:
   Version                  $VERSION
   Install prefix           $prefix
   Build shared libs        $enable_shared
   Build static libs        $enable_static
   Gtk immodule dir         $GTK_IM_MODULEDIR
   Build python modules     $enable_python
+  Build gconf modules      $enable_gconf
   Build document           $enable_gtk_doc
 ])