About flex

[Rui-Xiang Guo <rxg%lavabit.com@localhost>]

Hi, all.
It seems that the versions of flex are diffenent between 5.1_RC4 and -current.
It does not support '--foo' options in 5.1_RC4 -
% flex --backup
flex: unknown flag '-'.  For usage, try
        flex --help
And in man page, it shows -
[...]
OPTIONS
       flex has the following options:

       -b     Generate backing-up information to lex.backup.  This is  a  list
              of scanner states which require backing up and the input charac-
[...]

But I find that the '--backup' exists in the -current man page, so it shall be
support in -current, right? (I have no -current box to try.)

Will it be pulled into the next RC or formal release?

BTW, it seems that we miss the builtin.mk file in devel/flex of pkgsrc.

-rxg