--- a/CMakeLists.txt	Sun Jan 07 19:01:06 2018 +0100
+++ b/CMakeLists.txt	Wed Jan 10 15:27:47 2018 +0100
@@ -9,7 +9,7 @@
     endif()
 endforeach()
 
-foreach(hwpolicy CMP0026)
+foreach(hwpolicy CMP0026 CMP0068)
     if(POLICY ${hwpolicy})
         cmake_policy(SET ${hwpolicy} OLD)
     endif()