Re: updating dependency BUILDLINK_API_DEPENDS

["Johnny C. Lam" <jlam%pkgsrc.org@localhost>]

Jeremy C. Reed wrote:
> How can we improve the buildlinking system to not say:
>
>         ERROR: bar is not installed; can't buildlink files.
>
> when it is really installed?
>
> The problem is that a dependency "foo" is good enough. It has a dependency 
> listed in its buildlink3.mk file of "bar".
> But that "bar" buildlink3.mk file's BUILDLINK_API_DEPENDS.bar is higher 
> than the installed version of "bar".
If a package needs a higher BUILDLINK_API_DEPENDS than its dependencies 
do, then it should explicitly include the buildlink3.mk file for that 
sub-dependency.  The rule should be that you should not set 
BUILDLINK_API_DEPENDS.bar unless you also include bar/buildlink3.mk.
        Cheers,

        -- Johnny C. Lam