Sets construction variables for the &lex; lexical analyser.

LEX LEXFLAGS LEXCOM LEXCOMSTR

The lexical analyzer generator.

The command line used to call the lexical analyzer generator to generate a source file.

The string displayed when generating a source file using the lexical analyzer generator. If this is not set, then &cv-link-LEXCOM; (the command line) is displayed. env = Environment(LEXCOMSTR = "Lex'ing $TARGET from $SOURCES")

General options passed to the lexical analyzer generator.