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Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments
From: |
Ralf Wildenhues |
Subject: |
Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments |
Date: |
Wed, 27 Jan 2010 08:12:37 +0100 |
User-agent: |
Mutt/1.5.20 (2009-10-28) |
* Vincent Torri wrote on Tue, Jan 26, 2010 at 09:14:46AM CET:
> On Tue, 26 Jan 2010, Ralf Wildenhues wrote:
>
> >>If we assume that $2 is a literal `yes' or `no', i.e., the value can
> >>be decided at autoconf time (rather than at configure time) it seems
> >>it should be possible to expand to enabled or disabled depending on
> >>the value of $2.
> >
> >Well, in that case Vincent should use $2 in the argument to
> >AS_HELP_STRING, not $wanted_value. Sorry for not reading close enough.
>
> ok. I will change the value of $2 to be "enabled" or "disabled",
> instead of "yes" or "no".
There is no need for that.
You can choose different strings at m4 time (i.e., at autoconf run time)
if that's your point. You just can't use shell code for this, because
it is run way later, at configure run time.
Use something like
m4_if([$2],
[yes], [enabled],
[no], [disabled],
[unknown default])
in the argument to AS_HELP_STRING.
> Another related question : if i call ECORE_CHECK_MODULE() several
> times, only the first help is displayed when i run ./configure
> --help. Is it because i use m4 macro ( []m4_defn([DOWN] ) in the 1st
> argument of AC_ARG_ENABLE ?
Sounds like an m4 quoting bug somewhere. Please show small example code
to reproduce.
Cheers,
Ralf
- AS_HELP_STRING in an m4 macro: different decription wrt arguments, Vincent Torri, 2010/01/25
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Ralf Wildenhues, 2010/01/26
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Peter Johansson, 2010/01/26
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Ralf Wildenhues, 2010/01/26
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Vincent Torri, 2010/01/26
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments,
Ralf Wildenhues <=
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Vincent Torri, 2010/01/27
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Vincent Torri, 2010/01/27
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Ralf Wildenhues, 2010/01/28
- Re: AS_HELP_STRING in an m4 macro: different decription wrt arguments, Vincent Torri, 2010/01/28