Re: [jamboost] Possible new jam warning

From: David Abrahams (david.abrahams_at_[hidden])
Date: 2002-07-19 11:10:21

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.

Sorry,
Dave