configure: Generate ibus_localedir variable

configure.ac

@@ -111,7 +111,8 @@ GETTEXT_PACKAGE=ibus10
 AC_SUBST(GETTEXT_PACKAGE)
 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
                    [The prefix for out gettext translation domains.])
-AC_DEFINE_UNQUOTED(LOCALEDIR, "$localedir",
+DEFINE_IBUS_LOCALEDIR
+AC_DEFINE_UNQUOTED(LOCALEDIR, "$ibus_localedir",
                    [Define the location where the catalogs will be installed])
 
 # For dislpay date.

m4/ibuslocale.m4

@@ -0,0 +1,15 @@
+AC_DEFUN([DEFINE_IBUS_LOCALEDIR], [
+ibus_save_prefix="$prefix"
+ibus_save_datarootdir="$datarootdir"
+ibus_save_datadir="$datadir"
+ibus_save_localedir="$localedir"
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+datarootdir=`eval echo "$datarootdir"`
+datadir=`eval echo "$datadir"`
+test "x$localedir" = xNONE && localedir="${datadir}/locale"
+ibus_localedir=`eval echo "$localedir"`
+localedir="$ibus_save_localedir"
+datadir="$ibus_save_datadir"
+datarootdir="$ibus_save_datarootdir"
+prefix="$ibus_save_prefix"
+])