[clutter-gst] build: Distribute .tar.xz file

[Damien Lespiau <dlespiau src gnome org>]

commit c31c2493110c1c25692e48f8c1bcd3632a6eb921
Author: Damien Lespiau <damien lespiau intel com>
Date:   Wed Aug 31 22:52:02 2011 +0100

    build: Distribute .tar.xz file
    
    As GNOME is moving to this format.

 build/autotools/Makefile.am.release |    2 +-
 configure.ac                        |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build/autotools/Makefile.am.release b/build/autotools/Makefile.am.release
index 2031e6c..f2ace01 100644
--- a/build/autotools/Makefile.am.release
+++ b/build/autotools/Makefile.am.release
@@ -18,7 +18,7 @@ RELEASE_API_URL = http://docs.clutter-project.org/docs/clutter-gst
 
 RELEASE_ANNOUNCE_LIST = clutter-announce clutter-project org (Cc: gnome-announce-list gnome org)
 
-tar_file = $(distdir).tar.bz2
+tar_file = $(distdir).tar.xz
 sha256_file = $(distdir).sha256sum
 
 $(sha256_file): $(tar_file)
diff --git a/configure.ac b/configure.ac
index e3e6293..f8700ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ AC_CONFIG_AUX_DIR([build/autotools])
 AC_CONFIG_SRCDIR([clutter-gst/clutter-gst.h])
 AM_CONFIG_HEADER([config.h])
 
-AM_INIT_AUTOMAKE([1.9 -Wno-portability foreign no-dist-gzip dist-bzip2])
+AM_INIT_AUTOMAKE([1.9 -Wno-portability foreign no-dist-gzip dist-xz tar-ustar])
 
 CLUTTER_GST_MAJOR_VERSION=clutter_gst_major_version
 CLUTTER_GST_MINOR_VERSION=clutter_gst_minor_version