On Fri, Oct 14, 2016 at 10:14 AM, Albe Laurenz <laurenz.a...@wien.gv.at> wrote:
> Tom Lane wrote:
>>> Well, the buildfarm doesn't like that even a little bit.  It seems that
>>> the MSVC compiler does not like seeing both "extern Datum foo(...)" and
>>> "extern PGDLLEXPORT Datum foo(...)", so anything that had an extern in
>>> a .h file is failing.  There is also quite a bit of phase-of-the-moon
>>> behavior in here, because in some cases some functions are raising errors
>>> and others that look entirely the same are not.
>> I take back the latter comment --- I was comparing HEAD source code
>> against errors reported on back branches, and at least some of the
>> discrepancies are explained by additions/removals of separate "extern"
>> declarations.  But still, if we want to do this we're going to need to
>> put PGDLLEXPORT in every V1 function extern declaration.  We might be
>> able to remove some of the externs as unnecessary instead, but any way
>> you slice it it's going to be messy.
>> For the moment I've reverted the change.
> Sorry for having caused the inconvenience.
> Actually I would say that the correct solution is to remove the function
> declarations from all the header files in contrib, since from commit e7128e8d
> on the functions are declared by PG_FUNCTION_INFO_V1 anyway, right?

Right.  Why isn't that already the case?  Commit e7128e8d seems to
have tried.  Did it just miss a bunch of cases?

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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