Not a default option. Suppress optimization V4 which evaluates statically guards whose value is constant and removes transitions whose guard is false. Not a default option. Not a default option. If this variable is set, its value determine the language in which diagnostic messages will be reported.
Possible values are ' french ' and ' english '.
Incorrect values will be ignored silently. If this variable is unset, it is given the default value ' french '. If this variable is set, its value determines the name of the C compiler that will be invoked by caesar . If this variable is set, its value determines the directory in which temporary files are created. When the source is erroneous, error messages are issued.