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Re: [PATCH] Fix for bootstrapping with latest CVS Autoconf

From: Alexandre Oliva
Subject: Re: [PATCH] Fix for bootstrapping with latest CVS Autoconf
Date: 11 Oct 2000 16:49:43 -0200
User-agent: Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.1 (Channel Islands)

On Oct 11, 2000, Morten Eriksen <address@hidden> wrote:

> Autoconf straight out of CVS will complain about "backquotes and
> doublequotes should not be backslashed" when expanding the macro code
> of _LT_AC_LTCONFIG_HACK libtool.m4.

The problem is that CVS autoconf changes the way backquotes are
interpreted, and issues a warning (even though it works correctly) in
case they're written the way it used to work with autoconf 2.13.

Replacing \` with ' is even worse, because then the shell won't
expand the variable within `', as we want it.

The only way to do it so that it works with both autoconf 2.13 and CVS
autoconf, without triggering the warning in CVS autoconf, is this
(from CVS automake's missing.m4):

  AC_MSG_WARN([${am_backtick}$VAR' ...])

Alexandre Oliva   Enjoy Guarana', see
Red Hat GCC Developer                  address@hidden,}
CS PhD student at IC-Unicamp        address@hidden,}
Free Software Evangelist    *Please* write to mailing lists, not to me

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