https://github.com/recastnavigation/recastnavigation/pull/775
https://bugs.gentoo.org/955845

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.1...4.0)
 
 project(RecastNavigation)