Build system: implement REUSE with SPDX identifiers

[lttng-ust.git] / LICENSES / LicenseRef-Autoconf-exception-macro.txt

diff --git a/LICENSES/LicenseRef-Autoconf-exception-macro.txt b/LICENSES/LicenseRef-Autoconf-exception-macro.txt
new file mode 100644 (file)
index 0000000..8b5b467
--- /dev/null
+++ b/LICENSES/LicenseRef-Autoconf-exception-macro.txt
@@ -0,0 +1,12 @@
+As a special exception, the respective Autoconf Macro's copyright owner
+gives unlimited permission to copy, distribute and modify the configure
+scripts that are the output of Autoconf when processing the Macro. You
+need not follow the terms of the GNU General Public License when using
+or distributing such scripts, even though portions of the text of the
+Macro appear in them. The GNU General Public License (GPL) does govern
+all other use of the material that constitutes the Autoconf Macro.
+
+This special exception to the GPL applies to versions of the Autoconf
+Macro released by the Autoconf Archive. When you make and distribute a
+modified version of the Autoconf Macro, you may extend this special
+exception to the GPL to apply to your modified version as well.