Re: [jamboost] Possible new jam warning

From: Vladimir Prus (ghost_at_[hidden])
Date: 2002-07-19 11:16:45

David Abrahams wrote:
> From: "Vladimir Prus" <ghost_at_[hidden]>
>
> > I've recently wrote
> >
> > $(self.type) = $(type)
> >
> > and spend some time tracking this bug down. The problem is that
>
> $(self.type)
>
> > expands to nothing, so this code just has no effect.
> >
> > Naturally, I've hacked the jam source to emit warning in this case and
>
> now I
>
> > wonder if this warning is reasonable. For me -- yes. However, we've a
>
> couple
>
> > a places where this warning is emitted, for example feature.jam:150.
> > Opinions?
>
> Unfortunately, allowing an empty lhs seems much more Jam-ish to me. I don't
> think we can change it lightly.

Ok, I now think you're right. 

- Volodya