[PATCH] maint: Add empty "check" target.

[Janneke Nieuwenhuizen]

Provide a "check" target like any GNU package, as is advertised in
INSTALL.

* Makefile (check): New target.
---
 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c611a9ea..c023ea3e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 #
 #   Copyright (C) 1993-1999, 2001, 2002, 2004, 2006, 2009,
-#   2011-2013, 2015-2019 Free Software Foundation, Inc.
+#   2011-2013, 2015-2019, 2023 Free Software Foundation, Inc.
 #
 #   This program is free software; you can redistribute it and/or
 #   modify it under the terms of the GNU General Public License as
@@ -336,3 +336,6 @@ stamp-version: version.h.in config.make
          < $< > version.h.new
        $(move-if-change) version.h.new version.h
        touch $@
+
+check:
+       true
-- 
2.40.1