X-Git-Url: http://git.lttng.org/?p=lttng-ust.git;a=blobdiff_plain;f=m4%2Fax_check_class.m4;fp=m4%2Fax_check_class.m4;h=e3778b4e4a2953b08c7d717f8fab5c782e79baa3;hp=e673c2d35d62a29503f6ce6d270f38d3c4b167b1;hb=e03d7c66c57bf268b87296566a5160039f35ccfb;hpb=79f8dc6f50b20fb6b1d99f9bd97d70aa361bc6ad

diff --git a/m4/ax_check_class.m4 b/m4/ax_check_class.m4
index e673c2d3..e3778b4e 100644
--- a/m4/ax_check_class.m4
+++ b/m4/ax_check_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_class.html
 # ===========================================================================