Tom Lane wrote:
> I poked at this a little bit.  AFAICT, the only actual cross-file
> references are in contrib/ltree/, which has quite a few.  Maybe we
> could hold our noses and attach PGDLLEXPORT to the declarations in
> ltree.h.
> hstore's HSTORE_POLLUTE macro would also need PGDLLEXPORT-ification,
> but that's just within the macro so it wouldn't be too ugly.
> The other problem is xml2's xml_is_well_formed(), which duplicates
> the name of a core backend function.  If we PGDLLEXPORT-ify that,
> we get conflicts against the core's declaration in utils/xml.h.
> I do not see any nice way to dodge that.  Maybe we could decide that
> six releases' worth of backwards compatibility is enough and
> just drop it from xml2 --- AFAICS, that would only break applications
> that had never updated to the extension-ified version of xml2 at all.

I guess it would also be possible, but undesirable, to decorate the
declaration in utils/xml.h.

Anyway, I have prepared a patch along the lines you suggest.

Laurenz Albe

Attachment: 0001-Add-PGDLLEXPORT-to-PG_FUNCTION_INFO_V1-function-decl.patch
Description: 0001-Add-PGDLLEXPORT-to-PG_FUNCTION_INFO_V1-function-decl.patch

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