Error-[VCS_COM_UNE] Cannot find VCS compiler
VCS compiler not found. Environment variable VCS_HOME
(/home/johny/eda/synopsys/vcs/vcs_2013/linux) is selecting a directory in
which there isn't a compiler
'/home/johny/eda/synopsys/vcs/vcs_2013/linux/bin/vcs1' for a machine of this
type 'linux'.
Please check whether 'VCS_HOME' is incorrect; if not, see below.
The error message report included the following additional information:
VCS_HOME <null string>
为什么会找不到编译器呢,请教一下大家?