Sanity check linking with $libs

Sanity check linking with $libs

On Tue, 25 Feb 1997, Chip Salzenberg wrote:

> According to Andy Dougherty:
> > Chip, do you want to put something like this in, or shall I?  (I'd
> > need to borrow the current sfio unit)
>
> I'm leery of changing a working Configure, especially because _90's
> Configure has patches that haven't been propagated back to the units.

Staying leery is probably healthy.

Looking at _90's Configure, I see we'd have to change some
dependencies to move the sfio sanity checking earlier in the script.
I'd probably be inclined to do this by merging stuff into a single unit
(right after checking whether sfio is available, check whether it's
useful) and giving the whole thing a ?Y:TOP directive.

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