Re: [Caml-list] OSR: META files for packages containing syntax extensions

[Gerd Stolpmann <info@gerd-stolpmann.de>]

Am Freitag, den 14.03.2008, 15:33 +0000 schrieb Dario Teixeira:
> > Is there a way to specify a dependency on a specific preprocessor
> > (between camlp4o and camlp4r, for example ?). Most extension actually
> > won't work with both syntaxes (classical and revised), and it could be
> > helpful to make it apparent in the package description (although most
> > of the time an horrible preprocessor-runtime error will happen).
> > More generally, i'm concerned with the possible incompatibilities
> > between syntax extensions (however, this may be a bit off-topic).
> 
> I don't know if there's support for those cases (are there any in the wild?).
> Perhaps some of Findlib's gurus can enlighten us...

Currently this is not possible. We could do something like

error(camlp4r) = "This extension is not compatible with revised syntax"

if there is really a demand for it.

Gerd

> 
> Cheers,
> Dario
> 
> 
> 
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