allow link_with and link_whole to accept empty strings as a broken feature #15411
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…ring values
This was reported as breaking pandas. Just like the `link_args`
behavior, this wasn't intended, but is a result of a leaky Python
abstraction ('' is falsy, and thus being caught in a falsy comparison,
such as `if not value: ...`).
This marks link_with and link_whole as being broken in the same way. I
have only marked this for build_targets, as I don't think it applies
elsewhere.
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bonzini
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Jan 14, 2026
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Based on #15380
This regressed pandas in the master branch, so we should continue to allow this, but with a warning that will hopefully help others.