From 0adcd1bd939cb94691b15e585623b768041c058c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Wed, 6 Jul 2011 16:01:22 +0200
Subject: [PATCH] configure: Build a `tar.xz' in addition to `tar.gz'.

* configure.ac: Explicitly require Automake 1.11.  Add Automake option
  `dist-xz'.
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index cf31cfebc..b629f5c3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,8 @@ AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(GUILE-VERSION)
 
-AM_INIT_AUTOMAKE([gnu no-define -Wall -Wno-override])
+dnl `AM_SUBST_NOTMAKE' was introduced in Automake 1.11.
+AM_INIT_AUTOMAKE([1.11 gnu no-define -Wall -Wno-override dist-xz])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [AC_SUBST([AM_DEFAULT_VERBOSITY],1)])
 
 AC_COPYRIGHT(GUILE_CONFIGURE_COPYRIGHT)