Build system: implement REUSE with SPDX identifiers

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

diff --git a/m4/ax_prog_javac_works.m4 b/m4/ax_prog_javac_works.m4
index 9b48149d80ea9104fb0df4dd242183c1ae0631ec..bfbf7592cd9bad12f5ea81896f884e0d524297e7 100644 (file)
--- a/m4/ax_prog_javac_works.m4
+++ b/m4/ax_prog_javac_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_javac_works.html
 # ===========================================================================