On Sun, Feb 2, 2014 at 6:33 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> I happened to notice today that the owner of buildfarm member narwhal
> is trying to revive it after a long time offline, but it's failing in
> the 9.3 branch (and not attempting to build HEAD, yet). The cause
> appears to be that contrib/postgres_fdw is referencing the DateStyle
> and IntervalStyle variables, which aren't marked PGDLLIMPORT.
> Hm, well, that would be an easy change ... but that code was committed
> last March. How is it that we didn't notice this long ago?
> What this seems to indicate is that narwhal is the only buildfarm
> animal that has a need for PGDLLIMPORT marks on global variables that
> are referenced by extensions.
I have tried to debug the part of code where we are using DateStyle and
IntervalStyle variables in postgres_fdw on my m/c
(Win 7 - 64 bit, MSVC2010) and found that there value is junk, to me the
problem looks exactly similar to what we have seen for test_shm_mq
modules few days back. I am not sure why it is passing on other
buildfarm m/c, but I think we need to put PGDLLIMPORT for global
variables we want to use in extensions.
Also as per below link, it seems that PGDLLIMPORT is required for
exported global variables.
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