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Re: autoconf-2.50 problems with dnl

From: Akim Demaille
Subject: Re: autoconf-2.50 problems with dnl
Date: 15 Jun 2001 10:36:24 +0200
User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Copyleft)

>>>>> "Bruno" == Bruno Haible <address@hidden> writes:

>> It is not.  It is 2.50 that does a better job at catching your
>> problem.

Bruno> Oh, you're right. Sorry. The bug is in both 2.13 and 2.50.

What bug?  To call it a bug depends on what you wrote.  And
unfortunately, to ensure bugward compatibility, there are bugs we have
to keep :(

Bruno> This is a bug report. I have noticed that in a particular
Bruno> context, namely in an AC_OUTPUT argument, a "dnl" comment is
Bruno> not, as stated in the autoconf manual, elided, but instead it
Bruno> appears in the configure script, where it will likely cause an
Bruno> error message.

They are elided when they are not quoted!

Consider this:

dnl Removed
[dnl] Not removed

So somehow, your argument which includes these `dnl' is overquoted,
and does not get evaluated.   Hence there is no reason for dnl to be

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