dnl This macro doesn't do much but is defined separately so that other macros
dnl can require it with AC_REQUIRE.
dnl
-dnl Written by Russ Allbery <rra@stanford.edu>
-dnl Copyright 2005, 2006, 2007
-dnl Board of Trustees, Leland Stanford Jr. University
+dnl The canonical version of this file is maintained in the rra-c-util
+dnl package, available at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
dnl
-dnl See LICENSE for licensing terms.
+dnl Written by Russ Allbery <eagle@eyrie.org>
+dnl Copyright 2005-2007
+dnl The Board of Trustees of the Leland Stanford Junior University
+dnl
+dnl This file is free software; the authors give unlimited permission to copy
+dnl and/or distribute it, with or without modifications, as long as this
+dnl notice is preserved.
+dnl
+dnl SPDX-License-Identifier: FSFULLR
AC_DEFUN([RRA_ENABLE_REDUCED_DEPENDS],
[rra_reduced_depends=false