diff --git a/include/mastodont.h b/include/mastodont.h
index e69de29..def58f1 100644
--- a/include/mastodont.h
+++ b/include/mastodont.h
@@ -0,0 +1,14 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..e69de29