[PATCH 2/2] guile: Add support for Guile 3.0.

* configure.ac: Add 3.0 to 'GUILE_PKG', as well as the
previously-supported versions.
* doc/gnutls-guile.texi (Guile Preparations): Update list of supported
versions.
---
 configure.ac          | 4 ++--
 doc/gnutls-guile.texi | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index e0c5c25d5b..9a3de8a9f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-# Copyright (C) 2000-2012, 2016 Free Software Foundation, Inc.
+# Copyright (C) 2000-2012, 2016, 2019 Free Software Foundation, Inc.
 #
 # Author: Nikos Mavrogiannopoulos, Simon Josefsson
 #
@@ -866,7 +866,7 @@ if test "$opt_guile_bindings" = "yes"; then
       AC_PATH_PROG([GUILD], [guild])
       AC_SUBST([GUILD])
 
-      GUILE_PKG
+      GUILE_PKG([3.0 2.2 2.0 1.8])
       GUILE_PROGS
       GUILE_SITE_DIR
       GUILE_FLAGS
diff --git a/doc/gnutls-guile.texi b/doc/gnutls-guile.texi
index b53349acab..3e0b64d7eb 100644
--- a/doc/gnutls-guile.texi
+++ b/doc/gnutls-guile.texi
@@ -17,7 +17,7 @@
 This manual is last updated @value{UPDATED} for version
 @value{VERSION} of GnuTLS.
 
-Copyright @copyright{} 2001-2012, 2014, 2016 Free Software Foundation, Inc.
+Copyright @copyright{} 2001-2012, 2014, 2016, 2019 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
@@ -85,8 +85,8 @@ a large subset thereof is available.
 @node Guile Preparations
 @chapter Guile Preparations
 
-The GnuTLS Guile bindings are available for Guile's 2.0 stable series,
-as well as the forthcoming 2.2 series and the legacy 1.8 series.
+The GnuTLS Guile bindings are available for the Guile 3.0 and 2.2
+series, as well as the legacy 2.0 and even 1.8 series.
 
 By default they are installed under the GnuTLS installation directory,
 typically @file{/usr/local/share/guile/site/}).  Normally Guile
-- 
2.21.0