1 files changed, 4 insertions, 0 deletions

diff --git a/libglnx.m4 b/libglnx.m4
index 5a72e98..bd0d580 100644
--- a/libglnx.m4
+++ b/libglnx.m4
@@ -1,3 +1,7 @@
+# Copyright 2016 Colin Walters
+# Copyright 2020 Endless OS Foundation LLC
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 AC_DEFUN([LIBGLNX_CONFIGURE],
 [
 AC_CHECK_DECLS([