X-Git-Url: https://git.lttng.org/?p=lttng-ust.git;a=blobdiff_plain;f=m4%2Fax_check_rqrd_class.m4;fp=m4%2Fax_check_rqrd_class.m4;h=a984ff1527bdf0a878a1431109ed5ae72e9db56a;hp=baa041aca5d342a06c454c23d9a9f888cdbf74e3;hb=e03d7c66c57bf268b87296566a5160039f35ccfb;hpb=79f8dc6f50b20fb6b1d99f9bd97d70aa361bc6ad

diff --git a/m4/ax_check_rqrd_class.m4 b/m4/ax_check_rqrd_class.m4
index baa041ac..a984ff15 100644
--- a/m4/ax_check_rqrd_class.m4
+++ b/m4/ax_check_rqrd_class.m4
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later WITH LicenseRef-Autoconf-exception-macro
+#
 # ===========================================================================
 #   https://www.gnu.org/software/autoconf-archive/ax_check_rqrd_class.html
 # ===========================================================================