On 02/11/2014 11:04 PM, Amit Kapila wrote:
> On Tue, Feb 11, 2014 at 11:01 AM, Craig Ringer <cr...@2ndquadrant.com> wrote:
>> On 02/11/2014 01:28 PM, Tom Lane wrote:
>>> If there are no objections, I'll push this patch into HEAD tomorrow,
>>> along with the upthread patches from Craig Ringer and Marco Atzeri.
>>> We might as well see if this stuff is going to work ...
>> I'd love to test my patch properly before pushing it, but my dev machine
>> is going to need a total teardown and rebuild,
> I can do the test of your patch/idea, please confirm if below steps are
> sufficient:
> a. Change manually postgres.def file and add DATA for MainLWLockArray.
>     (Will it be sufficient to change manually or should I apply your patch)

No, you must rebuild "postgres", or at least re-generate the .DEF file
and re-link postgres.exe to generate a new import library (.lib) for it.

It'll be easiest to just recompile.

> b. Rebuild pg_buffercache module


> c. Test pg_buffercache if it can access the variable.

Yes, though it should fail to link if there's no PGDLLIMPORT.

> d. If above works, then run 'check'.

Yes, after adding the PGDLLIMPORT and re-generating the postgres .lib by
relinking or recompiling.

> If I understand correctly your patch is intended to resolve PGDLLIMPORT
> problem, right?

No, just make it obvious where such imports are missing. I can't see a
way to completely make it invisible with the MS toolchain.

 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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