Trying to make fio on redhat 5.9 results in: lex: unknown flag '-'. For usage, try lex --help make: *** [lex.yy.c] Error 1 Changeset "c9fa1c8d (Stephen M. Cameron 2014-10-06 17:58:32 -0500 270)" introduced the lex '--header-file' option, but that option is not valid on redhat 5. Makefile diff... ifdef CONFIG_ARITHMETIC lex.yy.c: exp/expression-parser.l - $(QUIET_LEX)$(LEX) exp/expression-parser.l + $(QUIET_LEX)$(LEX) --header-file=lexer.h exp/expression-parser.l -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html