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Re: possibly undefined macro: dnl (Was: Autoconf 2.50 is released)

From: Lars J. Aas
Subject: Re: possibly undefined macro: dnl (Was: Autoconf 2.50 is released)
Date: Tue, 22 May 2001 13:59:23 +0200
User-agent: Mutt/1.2.5i

On Mon, May 21, 2001 at 08:45:32PM +0200, Akim Demaille wrote:
: | + After cleaning up the autoupdate warnings, I got the following warning
: |   from autoconf:
: | 
: | error: possibly undefined macro: dnl
: Be aware that this message is definitely the sign that something is
: going wrong.  If I were you, I'd restore the dnl, and would look for
: it in `configure' itself.  It means that somewhere you were relying on
: the broken quotation of 2.13, or maybe that it is 2.50, trying to fix
: these issues, that broke you source.

Since this error message always uses the line-number of the first macro
and not the failed macro, couldn't we change scheme to insert a line
like the following in `configure' for each top-level macro invocation
(hopefully easy to detect)?:


Then we can scan for the last line of that kind before the first occurence
of the macro name in `configure' and output that the problem is somewhere
below that point.

  Lars J

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