Verification Methodology Manual version 1.1.1 (C) Copyright 2004-2009 Synopsys, Inc. All Rights Reserved Worldwide The SystemVerilog code in this distribution was developped using VCS2009.06 and no special action need to be taken if you are using the 2009.06 release of VCS. Howeber, it may be a good idea to define the symbol `VCS2009_06 when compiling the SystemVerilog source code to support possible required work-arounds in future release of this distribution. This can be accomplished from the command line using the +define option as shown below: % vcs -sverilog +define+VCS2009_06 +incdir=$VMM_HOME/sv ...