> > Please back this out. USE_TOOLS+= perl is the canonical way to depend on
> > Perl and this breaks dependency handling completely.
>
> Then I am afraid we are abusing the tools framework.  We shouldn't
> assume that the tools framework adds dependencies on pkgsrc packages;
> it may select native packages instead.

I'd want to clarify this point too.

If USE_TOOLS is what Min means here, it should be always
BUILD_DEPENDS, I think.  Is this correct?

Masao