Build system: implement REUSE with SPDX identifiers

[lttng-ust.git] / m4 / ax_prog_java_works.m4

diff --git a/m4/ax_prog_java_works.m4 b/m4/ax_prog_java_works.m4
index bc7052619e7288c0f03b32a9d6adc888350b0e80..a5b6cdf853ef821da09339c37c270f6e20eb785d 100644 (file)
--- a/m4/ax_prog_java_works.m4
+++ b/m4/ax_prog_java_works.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_prog_java_works.html
 # ===========================================================================