--- rts/Game/CMakeLists.txt.orig	2021-01-01 16:12:22 UTC
+++ rts/Game/CMakeLists.txt
@@ -1,3 +1,4 @@
+set_source_files_properties(GameSetup.cpp PROPERTIES CXX_STANDARD 14)
 
 # This list was created using this *nix shell command:
 # > find . -name "*.cpp" | sort