[caribou] Create tar.xz archive on "make dist", instead of tar.gz

[Daiki Ueno <dueno src gnome org>]

commit c9859c857f1b6e19679a5ba70f39157aa9f0b71e
Author: Daiki Ueno <ueno unixuser org>
Date:   Wed Feb 20 12:59:24 2013 +0900

    Create tar.xz archive on "make dist", instead of tar.gz

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 57e3253..ba21485 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ AC_CONFIG_MACRO_DIR([m4])
 
 AM_PROG_LIBTOOL
 
-AM_INIT_AUTOMAKE([1.11 -Wno-portability])
+AM_INIT_AUTOMAKE([1.11 -Wno-portability dist-xz no-dist-gzip])
 AM_MAINTAINER_MODE([enable])
 # Support silent build rules. Disable by either passing --disable-silent-rules
 # to configure or passing V=1 to make