Andres Freund <andres@2ndquadrant.com> writes:
> I don't know why it didn't fail for postgres_fdw. Hm, maybe it's because
> Mkvcbuild.pm links postgres_fdw with libpq, but not test_shm_mq?
Hard to see how libpq as such could have anything to do with it.
I wonder though if adding libpq causes some different link-time
switch to be used. If so, could we arrange to use that switch
all the time, and thus get rid of the need for PGDLLIMPORT marks?
regards, tom lane