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