[evolution-kolab] build system: fix distribution tarball generation

[Christian Hilberg <chilberg src gnome org>]

commit 9edde79a210a707477f2498942a8c10adca01607
Author: Christian Hilberg <hilberg kernelconcepts de>
Date:   Tue Feb 7 16:25:39 2012 +0100

    build system: fix distribution tarball generation
    
    * generate distribution tarball in *.tar.xz format, rather
      than *.tar.gz (the former is used at gnome.org)
    * leaving 'tar-ustar' in place, it forces posix tar
      (which supports path name lengths > 99 chars)

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 890c303..f72151e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,7 +81,7 @@ AC_SUBST(ADD_CFLAGS)
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
-AM_INIT_AUTOMAKE([tar-ustar])
+AM_INIT_AUTOMAKE([gnu 1.9 dist-xz no-dist-gzip tar-ustar])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])