Re: make AM_MISSING_PROG (more) portable

[Ralf Wildenhues]

Hi Stepan,

* Stepan Kasal wrote on Wed, Aug 10, 2005 at 10:06:02AM CEST:
> On Mon, Aug 08, 2005 at 09:38:32AM +0200, Ralf Wildenhues wrote:
> 
> well, first you read in the autoconf manual:
> 
> > | test "${var+set}" = set || var='${indirection}'
> > (aren't there, by the way, superfluous quotes on the right hand side?)
> 
> The example is right, it doesn't mean
>       var=${indirection}
> 
> It means cases when the _literal_ string contains braces.
[ snip nice long explanation ]

Argh.  Thank you!  I just understood it all wrong.

> To sum up, I don't see anything which could be improved in Automake.
> The Autoconf manual could be improved, but I don't think it's worth it now.

Agreed.

> For Autoconf 3, we might comment out some of the problems described in
> "Shell Substitutions", and thus the recipe in "Assignments" will be
> simplified.

Have you started a list of issues for Autoconf 3 yet?  :)

Cheers,
Ralf