Add additional permission for linking with LibreSSL

https://www.gnu.org/licenses/gpl-faq.en.html#GPLIncompatibleLibs

1 files changed, 11 insertions, 0 deletions

diff --git a/ring.c b/ring.c
index 254c285..8bc3048 100644
--- a/ring.c
+++ b/ring.c
@@ -12,6 +12,17 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Additional permission under GNU GPL version 3 section 7:
+ *
+ * If you modify this Program, or any covered work, by linking or
+ * combining it with LibreSSL (or a modified version of that library),
+ * containing parts covered by the terms of the OpenSSL License and the
+ * original SSLeay license, the licensors of this Program grant you
+ * additional permission to convey the resulting work. Corresponding
+ * Source for a non-source form of such a combination shall include the
+ * source code for the parts of LibreSSL used as well as that of the
+ * covered work.
  */
 
 #include <assert.h>