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Re: m4_pattern_forbid matches itself

From: Raja R Harinath
Subject: Re: m4_pattern_forbid matches itself
Date: Tue, 22 Jul 2003 23:49:32 -0500
User-agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.3.50 (gnu/linux)


Phil Edwards <address@hidden> writes:

> Two problems with m4_pattern_forbid (or rather, with my understanding of
> how it's meant to be used) follow:
> Uses of $target_alias keep sneaking back into libstdc++'s configury, which
> is generally a Very Bad Thing for a GCC target library.  So I thought I'd
> play with m4_pattern_forbid to try and prevent mistakes before they happen.
> This
>     m4_pattern_forbid([target_alias],[informative message goes here])
> triggers
> error: target alias is not what you think it is
>         If this token and others are legitimate, please use m4_pattern_allow.
>         See the Autoconf documentation.



to break up any literal grepping of the file.  I don't know if it'll
work, but it's worth a try.

- Hari
Raja R Harinath ------------------------------ address@hidden

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