Re: Reentrant flex & bison

Paul Eggert <eggert@twinsun.com>
3 Apr 2004 09:11:52 -0500

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Reentrant flex & bison cherico@bonbon.net (2004-03-15)
Re: Reentrant flex & bison clint@0lsen.net (Clint Olsen) (2004-03-19)
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Re: Reentrant flex & bison cherico@bonbon.net (2004-03-26)
Re: Reentrant flex & bison haberg@matematik.su.se (2004-04-03)
Re: Reentrant flex & bison eggert@twinsun.com (Paul Eggert) (2004-04-03)
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| List of all articles for this month |
From: Paul Eggert <eggert@twinsun.com>
Newsgroups: comp.compilers
Date: 3 Apr 2004 09:11:52 -0500
Organization: Compilers Central
References: 04-03-068 04-03-076 04-03-098
Keywords: lex
Posted-Date: 03 Apr 2004 09:11:52 EST

At 26 Mar 2004 22:08:01 -0500, cherico@bonbon.net (cherico) writes:


> I suppose, to work with bison well, flex 2.5.31 is a
> better choice.


Either one should work. However, 2.5.31 is not an official stable
version so you can expect more gotchas with it.


> I am curious why flex 2.5.4 removes the support of the
> reentrant option.


2.5.31 came after 2.5.4, just as 2.5.10 came after 2.5.9.


> [I don't know who's doing the version at sourceforge, but it's not
> the mainstream one. -John]


W. L. Estes of UNC Greensboro is doing that version. I can't check
its current status, as sourceforge.net is down right now.


As far as I know Vern Paxson, the previous maintainer of 'flex',
hasn't had time to work on it since 2.5.4 came out in 1996. If you
want just bug fixes for 2.5.4 I suggest using the Debian GNU/Linux
patches, which you can get from
<http://packages.debian.org/stable/devel/flex>.


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