diff -r 37aa134ae57b -r ac5f3768ebb1 src/spacenav-lib-hack.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/spacenav-lib-hack.h	Fri Mar 08 20:11:23 2019 +0100
@@ -0,0 +1,19 @@
+/**
+ * Spacenav lib hack
+ * Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General 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/>.
+ */
+#pragma once
+