build: Compress the distribution tarball with xz instead of gzip
diff --git a/configure.ac b/configure.ac
index 2fcd511..bdadc6e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_CONFIG_SRCDIR([src/fgetln.c])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([1.8 foreign nostdinc])
+AM_INIT_AUTOMAKE([1.8 foreign nostdinc no-dist-gzip dist-xz])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
[AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])