Does the Quartus Prime software support IEEE fixed_pkg and float_pkg libraries in VHDL-2008? - Does the Quartus Prime software support IEEE fixed_pkg and float_pkg libraries in VHDL-2008? Description IEEE fixed_pkg and float_pkg libraries are not supported in the Quartus® Prime Standard edition and Lite edition. You may see below error messages in Analysis & Synthesis stage: Error (10481): VHDL Use Clause error at <file name>.vhd : design library "ieee" does not contain primary unit "fixed_pkg". Verify that the primary unit exists in the library and has been successfully compiled. or Error (10481): VHDL Use Clause error at <file name>.vhd: design library "ieee" does not contain primary unit "float_pkg". Verify that the primary unit exists in the library and has been successfully compiled. Resolution The Quartus Prime Pro edition does supports IEEE fixed_pkg and float_pkg libraries. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 16.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']