VHDL LIBRARY-USE Declaration
The VHDL LIBRARY-USE declaration is not required if you use the VHDL Component Declaration.
LIBRARY altera;
USE altera.altera_primitives_components.all;The VHDL LIBRARY-USE declaration is not required if you use the VHDL Component Declaration.
LIBRARY altera;
USE altera.altera_primitives_components.all;