Abort configure phase if forward_list is not supported ny the compiler. Tell the user why.
Abort configure phase if forward_list is not supported ny the compiler. Tell the user why.

LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem,LimitPointSystems/SheafSystem