| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Hiroshi Inoue <inoue(at)tpf(dot)co(dot)jp> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: narwhal and PGDLLIMPORT |
| Date: | 2014-02-12 21:30:17 |
| Message-ID: | 03f43996-2e98-4b4d-be91-3020ed68ce39@email.android.com |
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| Lists: | pgsql-hackers |
On February 12, 2014 10:23:21 PM CET, Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
>On 2/11/14, 7:04 PM, Craig Ringer wrote:
>> I don't see any use for that with plperl, but it might be a valid
>thing
>> to be doing for (e.g.) hstore.dll. Though you can't really link to it
>> from another module anyway, you have to go through the fmgr to get
>> access to its symbols at rutime, so we can probably just skip
>generation
>> of import libraries for contribs and PLs.
>
>There are cases where one module needs symbols from another directly.
>Would that be affected by this?
I don't think we have real infrastructure for that yet. Neither from the POV of loading several .so's, nor from a symbol visibility. Afaics we'd need a working definition of PGDLLIMPORT which inverts the declspecs. I think Tom just removed the remnants of that.
Andres
--
Please excuse brevity and formatting - I am writing this on my mobile phone.
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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