Build system: implement REUSE with SPDX identifiers

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

diff --git a/m4/ax_check_classpath.m4 b/m4/ax_check_classpath.m4
index 3c9081a087014520aa864d1c6ccf0387bf5cf2cc..c8a89f8dd29f4f9443593f20f3335b838ebbc9b2 100644 (file)
--- a/m4/ax_check_classpath.m4
+++ b/m4/ax_check_classpath.m4
@@ -1,5 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later WITH LicenseRef-Autoconf-exception-macro
+#
 # ===========================================================================
-#    http://www.gnu.org/software/autoconf-archive/ax_check_classpath.html
+#    https://www.gnu.org/software/autoconf-archive/ax_check_classpath.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -33,7 +35,7 @@
 #   Public License for more details.
 #
 #   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#   with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 #   As a special exception, the respective Autoconf Macro's copyright owner
 #   gives unlimited permission to copy, distribute and modify the configure
@@ -48,7 +50,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 5
+#serial 6
 
 AU_ALIAS([AC_CHECK_CLASSPATH], [AX_CHECK_CLASSPATH])
 AC_DEFUN([AX_CHECK_CLASSPATH],[