Generate an xz tar archive of the distribution
* configure.ac (AM_INIT_AUTOMAKE): Replace dist-bzip2 with dist-xz.
* Makefile.am: Update srpm target.
* make-dist: Update for dist-xz.
* strace.spec: Update Source tag.
* debian/watch: Update regexp.
* .gitignore: Add strace-*.tar.xz.
diff --git a/configure.ac b/configure.ac
index ca1694b..be2494a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@
AC_CONFIG_SRCDIR([strace.c])
AC_CONFIG_AUX_DIR([.])
AM_CONFIG_HEADER([config.h])
-AM_INIT_AUTOMAKE([foreign check-news dist-bzip2 no-dist-gzip silent-rules])
+AM_INIT_AUTOMAKE([foreign check-news dist-xz no-dist-gzip silent-rules])
AM_MAINTAINER_MODE
AC_CANONICAL_HOST