--- xAce-0.5/CMakeLists.txt	2012-12-22 07:53:19.000000000 +0000
+++ xAce-0.5-007/CMakeLists.txt	2022-09-06 21:03:10.482198551 +0100
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6) 
+cmake_minimum_required(VERSION 3.6)
 project(xAce) 
 
 enable_testing()