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From: Akim Demaille <akim@epita.fr>
To: Clint Adams <clint@zsh.org>
Cc: Bart Schaefer <schaefer@candle.brasslantern.com>,
	Jos Backus <josb@cncdsl.com>,
	zsh-workers@sunsite.auc.dk, Au List <autoconf@gnu.org>
Subject: Re: zsh and autoconf-2.50
Date: 31 May 2001 20:01:09 +0200	[thread overview]
Message-ID: <mv4r8x51jq2.fsf@nostromo.lrde.epita.fr> (raw)
In-Reply-To: <20010531135143.A16261@dman.com>


| > So yes, define and undefine are undefined (in M4sh and M4sugar), but
| > no, you should not know about this (in Autoconf), you should not be
| > aware of it.
| > 
| > What happens?
| 
| % autoconf2.50
| configure.in:55: error: undefine: undefined: zsh-debug
| configure.in:55: the top level
| 
| The offending construct is here.
| 
| undefine([zsh-debug])dnl
| AC_ARG_ENABLE(zsh-debug,
| [  --enable-zsh-debug         compile with debug code and debugger symbols],
| [if test x$enableval = xyes; then
|   AC_DEFINE(DEBUG)
| fi])

This 

| configure.in:55: error: undefine: undefined: zsh-debug

reads `there is an error declared by undefine: zsh-debug is
undefined'.

I agree the original `undefine' from M4 does not do that.  I agree the
message should be

| configure.in:55: error: undefine: undefined macro: zsh-debug

But by experience I know we need to be stricter to catch asap bad
bugs, so I definitely prefer the 2.50 behavior.  I'd use
ifdef(,,undefine()).


  reply	other threads:[~2001-05-31 18:02 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-30 21:48 Jos Backus
2001-05-30 22:02 ` Bart Schaefer
2001-05-30 22:28   ` Jos Backus
2001-05-30 22:40   ` Clint Adams
2001-05-31  0:08     ` Bart Schaefer
2001-05-31 13:40       ` Clint Adams
2001-05-31 13:53         ` Oliver Kiddle
2001-05-31 14:24           ` Clint Adams
2001-05-31 17:34         ` Akim Demaille
2001-05-31 17:51           ` Clint Adams
2001-05-31 18:01             ` Akim Demaille [this message]
2001-06-01  8:55               ` Andrej Borsenkow
2001-06-01 11:00                 ` Akim Demaille
2001-06-01 16:48                 ` Tim Van Holder
2001-06-01  9:37               ` Peter Stephenson
2001-06-01 12:27                 ` Clint Adams
2001-06-01 12:45                   ` Peter Stephenson
2001-06-01 12:54                 ` Andrej Borsenkow
2001-06-01 13:33                   ` Peter Stephenson
2001-06-01 13:47                     ` Bart Schaefer
2001-06-01 13:56                       ` Peter Stephenson
2001-06-01 13:57                     ` Andrej Borsenkow
2001-06-01 14:05                       ` Andrej Borsenkow
2001-06-01 14:08                         ` Clint Adams
2001-06-01 14:19                           ` Andrej Borsenkow
2001-06-01 14:25                             ` Peter Stephenson
2001-06-01 14:36                               ` Andrej Borsenkow
2001-06-01 15:05                                 ` Clint Adams
2001-06-01 22:31                                   ` PATCH: " Andrej Borsenkow
2001-06-03 18:43                                     ` Bart Schaefer
2001-06-03 19:20                                       ` Clint Adams
2001-06-04  7:36                                       ` Zefram
2001-06-04  8:55                                         ` Bart Schaefer
2001-06-04  9:45                                           ` Andrej Borsenkow
2001-06-06  8:45                                       ` Commited: " Andrej Borsenkow
2001-06-06  9:44                                         ` Peter Stephenson
2001-06-06 10:54                                           ` Bart Schaefer
2001-06-06 11:02                                             ` Andrej Borsenkow
2001-06-06 10:58                                           ` Andrej Borsenkow
2001-06-06 11:23                                             ` Akim Demaille
2001-06-06 11:34                                               ` Andrej Borsenkow
2001-06-06 12:45                                                 ` Akim Demaille
2001-06-06 12:35                                           ` Andrej Borsenkow
2001-06-06 11:06                                         ` Bart Schaefer
2001-06-06 11:15                                           ` Andrej Borsenkow
2001-06-01 14:19                         ` Peter Stephenson
2001-06-01 14:11                       ` Peter Stephenson
2001-05-30 22:34 ` Clint Adams
2001-05-30 22:44   ` Jos Backus
2001-05-31  8:25 ` Andrej Borsenkow
2001-05-31 13:44   ` Clint Adams
2001-05-31 13:59     ` Andrej Borsenkow
2001-05-30 22:53 Jos Backus
2001-05-30 23:23 ` Wayne Davison
2001-05-30 23:50   ` Jos Backus
2001-05-31  0:12     ` Bart Schaefer
2001-05-31  1:15       ` Jos Backus
2001-05-31  4:52         ` Bart Schaefer
2001-05-31  6:22           ` Jos Backus
2001-05-31  7:22             ` Bart Schaefer
2001-05-31  9:34               ` Sven Wischnowsky
2001-05-30 23:15 Jos Backus

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