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Re: Long option for -W (--word-regexp) accepted without ENABLE_CHANGEWOR

From: Eric Blake
Subject: Re: Long option for -W (--word-regexp) accepted without ENABLE_CHANGEWORD defined
Date: Wed, 05 Feb 2014 13:19:05 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

On 02/05/2014 06:58 AM, Vitezslav Crhonek wrote:
> Hello,
> small issue I've found today, here's the fix:
> --- m4-1.4.17/src/m4.c.orig     2013-09-22 07:50:43.000000000 +0200
> +++ m4-1.4.17/src/m4.c  2014-02-05 14:49:06.706025544 +0100
> @@ -307,7 +307,9 @@
>    {"trace", required_argument, NULL, 't'},
>    {"traditional", no_argument, NULL, 'G'},
>    {"undefine", required_argument, NULL, 'U'},
>    {"word-regexp", required_argument, NULL, 'W'},
> +#endif

Indeed the correct fix.  The problem isn't completely bad, just a poor
error message:

$ m4 -W
m4: invalid option -- 'W'
Try `m4 --help' for more information.
$ m4 --word-regexp=
Try `m4 --help' for more information.

and with your patch:

$ src/m4 --word-regexp=
src/m4: unrecognized option '--word-regexp='
Try `src/m4 --help' for more information.

I added a changelog entry (the 'tiny change' marker explains we did not
need copyright papers) and pushed the patch.

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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